Patient Care

Vital Signs- Yellow, Wound Care- Red , Hand Hygiene- Blue , Sterile Practices- Green, Knee- Purple, Asthma- Orange

What is the origin of the word "vital" in vital signs?

Old English meaning "to observe"

Latin vitalis, meaning "of or belonging to life"

Greek meaning "to measure"

French meaning "essential quantity"

Latin vitalis, meaning "of or belonging to life"

Which of the following is NOT one of the five core vital signs?

Respiration rate

Blood glucose level

Blood oxygen saturation

Body temperature

Blood glucose level

What is the primary role of vital signs in emergency department triage?

To generate billing documentation

To satisfy regulatory inspection requirements

To rapidly prioritize patients by degree of physiological acuity

To determine which patients require specialist referral

To rapidly prioritize patients by degree of physiological acuity

A patient's blood pressure readings are elevated over three consecutive clinic visits. What is the most clinically significant interpretation?

The equipment must be faulty

The patient was anxious each visit — no concern

A pattern suggesting a chronic condition such as hypertension

An isolated acute event requiring emergency treatment

A pattern suggesting a chronic condition such as hypertension

How long should a patient be at rest before routine vital signs are measured?

5 minutes

10 minutes

20 minutes

45 minutes

20 minutes

Which two strategies best reduce vital sign measurement error?

Using only electronic devices and averaging results with a calculator

Correct technique and repeated measurements

Delegating measurements to the most experienced specialist only

Measuring at the same time each day and comparing to yesterday's values

Correct technique and repeated measurements

What should the examination room conditions be for routine vital sign measurement?

Dimly lit, cool, and with background music to relax the patient

Quiet, well-lit, and at a comfortable temperature

Warm, with the patient standing for easy access

Brightly lit with a fan running for ventilation

Quiet, well-lit, and at a comfortable temperature

When is continuous electronic monitoring of vital signs most appropriate?

For all routine outpatient clinic visits

Whenever a digital device is available

When continuous real-time monitoring is clinically required (e.g., ICU)

To replace manual assessment in all settings

When continuous real-time monitoring is clinically required (e.g., ICU)

What is the primary physiological domain assessed by blood pressure measurement?

Respiratory function

Metabolic regulation

Cardiovascular system

Neurological function

Cardiovascular system

Why is pain sometimes called the "sixth vital sign"?

It is officially included in the WHO list of vital signs

It reflects its recognized importance in patient assessment in certain clinical settings

Pain always alters the other five vital signs simultaneously

It was added to the standard five signs in the 1990s

It reflects its recognized importance in patient assessment in certain clinical settings

What is the normal adult respiration rate?

6–10 breaths per minute

12–20 breaths per minute

20–30 breaths per minute

25–35 breaths per minute

12–20 breaths per minute

Why must patients not know their respiration rate is being measured?

It is an invasion of privacy

Awareness causes patients to unconsciously alter their breathing pattern, skewing the result

It prolongs the measurement procedure unnecessarily

The patient might voluntarily hyperventilate

Awareness causes patients to unconsciously alter their breathing pattern, skewing the result

An initial 30-second respiration count gives an abnormal result. What is the correct next step?

Immediately call for emergency support

Perform a full 60-second count to confirm accuracy

Average it with a second 30-second count

Discard the result and wait 20 minutes

Perform a full 60-second count to confirm accuracy

A respiration rate above what value requires urgent medical attention in adults?

18 breaths per minute

20 breaths per minute

24 breaths per minute

30 breaths per minute

24 breaths per minute

What is the normal reference range for blood oxygen saturation (SpO2)?

85–95%

90–95%

97–100%

94–99%

97–100%

A patient's SpO2 reads 87%. What is the correct interpretation?

Normal — no action needed

Mildly reduced — reassess in one hour

Serious respiratory insufficiency — urgent medical attention required

Likely a device malfunction — replace batteries

Serious respiratory insufficiency — urgent medical attention required

Why is altered SpO2 described as a "late sign" of respiratory dysfunction?

SpO2 monitors are slow to update their readings

The body compensates by increasing breathing rate and depth, maintaining SpO2 until compensatory capacity is exhausted

Oxygen levels in the blood rise before they fall during illness

SpO2 is only affected by diseases that damage the alveoli

directly

The body compensates by increasing breathing rate and depth, maintaining SpO2 until compensatory capacity is exhausted

On which finger is the pulse oximeter probe typically placed?

Thumb

Index finger

Middle finger

Little finger

Index finger

A patient is breathing at 28 breaths/min but has an SpO2 of 98%. How should this be interpreted?

Completely normal — the SpO2 is fine so no concern is needed

Concerning — the patient is working very hard to maintain normal oxygenation and may deteriorate

The respiration rate must be a measurement error

This is a normal finding after physical exertion

Concerning — the patient is working very hard to maintain normal oxygenation and may deteriorate

Which condition can cause a pulse oximeter to give a falsely normal SpO2 reading despite critical hypoxia?

Severe dehydration

Carbon monoxide poisoning

Hypothermia

High-altitude environment

Carbon monoxide poisoning

What is the medical term for a breathing rate below 12 breaths per minute?

Tachypnea

Bradypnea

Apnea

Hyperpnea

Bradypnea

Why might a patient with severe anemia have a normal SpO2 but still have dangerously poor oxygen delivery?

Anemia causes the pulse oximeter to malfunction

SpO2 measures the percentage of hemoglobin that is oxygenated — with very little hemoglobin, total oxygen delivery is inadequate even if the percentage is normal

Anemia increases the breathing rate, which elevates SpO2

artificially

Anemic patients have altered hemoglobin that absorbs more

light

SpO2 measures the percentage of hemoglobin that is oxygenated — with very little hemoglobin, total oxygen delivery is inadequate even if the percentage is normal

Which of the following could cause a falsely low or unreliable SpO2 reading?

Dark nail polish on the finger used for measurement

The patient having eaten within 2 hours

Fever above 38.5°C

The measurement being taken in daylight

Dark nail polish on the finger used for measurement

Respiratory assessment is particularly important when which type of disease is suspected?

Metabolic disease such as diabetes

Musculoskeletal injury

Cardiopulmonary disease

Dermatological conditions

Cardiopulmonary disease

What does the pulse oximeter measure using light?

The number of red blood cells per milliliter

The ratio of oxygenated to deoxygenated hemoglobin based on different light-absorption properties

The thickness of the arterial wall

The partial pressure of oxygen dissolved in plasma

The ratio of oxygenated to deoxygenated hemoglobin based on different light-absorption properties

Tachypnea (rapid breathing) can be caused by which of the following non-respiratory conditions?

Low altitude living

Metabolic acidosis

Opioid medication

Hypothyroidism

Metabolic acidosis

Respiration rate below what threshold is considered a significant health risk requiring urgent attention?

12 breaths per minute

8 breaths per minute

10 breaths per minute

6 breaths per minute

8 breaths per minute

Why is respiration rate often considered the most neglected of all vital signs?

It requires expensive equipment to measure

Studies show it is frequently not measured or inaccurately documented in hospital settings, despite being an early warning sign

It is not a reliable indicator of any clinical condition

Patients find it invasive to have their breathing observed

Studies show it is frequently not measured or inaccurately documented in hospital settings, despite being an early warning sign

What does it mean physiologically when a patient is "splinting" their breathing?

Taking very deep, slow breaths to maximize oxygen intake

Taking shallow, rapid breaths to avoid the pain of deeper breathing

Holding their breath to stabilize a thoracic injury

Using accessory muscles to assist inspiration

Taking shallow, rapid breaths to avoid the pain of deeper breathing

Which two respiratory vital sign parameters must always be assessed together for a complete picture?

SpO2 and pulse rate

Respiration rate and blood pressure

Respiration rate and SpO2

SpO2 and body temperature

Respiration rate and SpO2

Which term has been used to describe the broad, often underacknowledged societal impact of wounds?

The Hidden Crisis

The Silent Epidemic

The Chronic Burden

The Invisible Injury

The Silent Epidemic

Wounds are most broadly classified into which two categories?

Superficial and deep

Surgical and traumatic

Acute and chronic

Infected and non-infected

Acute and chronic

An acute wound typically heals within approximately what time frame?

1 to 2 weeks

3 to 6 weeks

8 to 12 weeks

6 to 12 months

8 to 12 weeks

Which of the following is given as an example of a cause of chronic wounds?

Surgical incision

Diabetic ulcer

Paper cut

Sunburn

Diabetic ulcer

What is the approximate surface area of the skin described in the reading?

About 0.5 square meters

About 1 square meter

About 2 square meters

About 5 square meters

About 2 square meters

Which of the following is NOT one of the three main layers of skin?

Epidermis

Dermis

Hypodermis

Periosteum

Periosteum

According to the reading, which of the following is a fundamental function of the skin?

Producing red blood cells

Providing an external barrier against microorganisms and UV radiation

Generating digestive enzymes

Storing oxygen for the lungs

Providing an external barrier against microorganisms and UV radiation

Which two scientists are credited with experimentally showing that wound infections are caused by microorganisms?

Fleming and Salk

Pasteur and Lister 

Koch and Jenner

Semmelweis and Virchow

Pasteur and Lister

What is the primary purpose of using aseptic technique when cleaning a wound?

To reduce scarring

To remove bacteria and prevent infection

To numb the pain

To stop bleeding

To remove bacteria and prevent infection

The wound healing process is divided into which two main stages?

Inflammation and scarring

Bleeding and drying

Haemostasis and tissue repair/regeneration

Infection and resolution

Haemostasis and tissue repair/regeneration

Haemostasis is primarily responsible for which function?

Forming new blood vessels

Controlling bleeding

Building scar tissue

Removing dead tissue

Controlling bleeding

The inflammation phase of tissue repair typically occurs over which time range?

0 to 4 days

2 to 24 days

24 days to 1 year

1 to 2 hours

0 to 4 days

During which phase do angiogenesis and epithelial resurfacing occur?

Haemostasis

Inflammation

Proliferation (reconstruction)

Maturation

Proliferation (reconstruction)

The reconstruction phase is described as occurring over approximately what time range?

0 to 4 days

2 to 24 days

24 days to 1 year

1 to 2 years

2 to 24 days

Which statement best characterizes how the phases of wound healing relate to each other?

They occur simultaneously and independently.

They occur in a sequential, organized manner, with each phase helping initiate the next.

They occur in random order based on the patient.

Only one phase occurs in any given wound.

They occur in a sequential, organized manner, with each phase helping initiate the next.

What is described as the first step of successful wound management?

Selecting a dressing

Administering antibiotics

Wound assessment and evaluation of the surrounding skin

Debridement

Wound assessment and evaluation of the surrounding skin

Which of the following is described as a LOCAL factor that affects wound healing?

Diabetes mellitus

Tissue-oxygen tension

Chronic kidney disease

Immunosuppressive medication

Tissue-oxygen tension

Systemic factors affecting wound healing primarily relate to:

The dressing applied to the wound

The patient’s overall health condition or underlying disease

The ambient room temperature

The brand of antiseptic used

The patient’s overall health condition or underlying disease

Cytokines contribute to wound healing by doing all of the following EXCEPT:

Stimulating pathways that produce basement membrane components

Preventing dehydration

Elevating inflammation

Directly destroying bacteria on contact

Directly destroying bacteria on contact

A wound that involves only the epidermis is classified as:=

Partial-thickness

Full-thickness

Superficial

Stage IV

Superficial

Non-viable (necrotic) tissue most commonly appears which color(s)?

Bright pink

Pale yellow only

Black, brown, or tan

Bright red

Black, brown, or tan

How is the depth of a deep wound most commonly measured?

With an ultrasound probe

By visual estimation

By inserting a sterile cotton-tip applicator to the wound surface

With a flexible ruler

By inserting a sterile cotton-tip applicator to the wound surface

Pinkish wound edges typically indicate:

Hypoxia

Cellulitis

Formation of new tissues

Necrosis

Formation of new tissues

Dark wound edges most likely indicate:

Healthy healing

Hypoxia

Normal contraction

New epithelial cells

Hypoxia

In chronic wounds, classic signs of infection may be blunted primarily because of:

Biofilm

Excessive perfusion

Elevated oxygen tension

Loss of cytokines

Biofilm

Which statement about wound pain is correct according to the reading?

Pain severity is always proportional to injury severity.

Skin tears are usually painless because they are superficial.

Neuropathic foot ulcers may be heavily infected yet produce little to no pain.

Pain should only be assessed after dressing changes.

Neuropathic foot ulcers may be heavily infected yet produce little to no pain.

What is the correct distinction between wound dressings and bandages?

Dressings are reusable; bandages are disposable.

Dressings cover the wound; bandages hold the dressing in place.

Dressings are sterile; bandages are always non-sterile.

Dressings are used only in hospitals; bandages only at home.

Dressings cover the wound; bandages hold the dressing in place.

Which of the following is NOT listed as a feature of an ideal wound dressing?

Trap moisture around the wound

Allow gas transmission

Promote surface necrosis

Be biocompatible and non-toxic

Promote surface necrosis

A major limitation of gauze dressings is that: 

They cannot absorb any exudate.

They can adhere to the wound when wet, causing pain on removal

They are always occlusive.

They prevent all bacterial contamination.

They can adhere to the wound when wet, causing pain on removal

Medicated dressings typically contain which of the following?

Antimicrobial agents, growth factors, or enzymes

Only saline

Only adhesive

Only cotton fibers

Antimicrobial agents, growth factors, or enzymes

How does an antiseptic iodine dressing act against bacteria? 

By physically absorbing them

By oxidatively degrading their cellular proteins

By dehydrating the wound completely

By releasing heat

By oxidatively degrading their cellular proteins

According to the reading, the eight wound management objectives are attributed

Pasteur and Lister

Bryant and Nix

Lazarus and Robson

Troxler and Vowden

Bryant and Nix

What is the primary objective of topical wound therapy?

To eliminate all pain immediately

To protect the wound from bacterial contamination

To produce scar tissue as quickly as possible

To maintain a dry environment

To protect the wound from bacterial contamination

Which of the following cleansers is described as potentially cytotoxic to fibroblast tissues and should be used with caution? 

Sterile isotonic saline

Body-temperature water

Hydrogen peroxide

A damp hydrogel dressing

Hydrogen peroxide

For packing a deep wound with excessive drainage, which dressings are most appropriate? 

Dry gauze only

Normal saline and hydrogel

Alginate or hydrofiber dressings

Plain cotton wool

Alginate or hydrofiber dressings

When a wound produces noticeable odor, the clinician should first:

Stop all wound care immediately

Re-evaluate the cleansing protocol, dressing change frequency, and consider topical antimicrobials

Apply heat to the wound

Cover the wound with an occlusive plastic only

Re-evaluate the cleansing protocol, dressing change frequency, and consider topical antimicrobials

Dr. Ignaz Semmelweis is best known for which contribution to medicine?

Discovering penicillin and ushering in the antibiotic era.

Demonstrating that hand washing dramatically reduces maternal mortality from puerperal fever.

Inventing the surgical mask used in modern operating rooms.

Demonstrating that hand washing dramatically reduces maternal mortality from puerperal fever.

Why did the Vienna obstetric clinic staffed by physicians have a higher maternal mortality rate than the clinic staffed by midwives?

Physicians performed autopsies and then went directly to the delivery suite without washing their hands.

Midwives used different surgical instruments than physicians.

Physicians worked longer shifts and were more fatigued.

Physicians performed autopsies and then went directly to the delivery suite without washing their hands.

When are hands required to be washed with soap and water rather than cleaned with alcohol-based handrub?

Whenever a patient room is entered

When hands are visibly dirty or soiled with body fluids, after using the toilet, or after caring for a patient with a spore-forming pathogen.

Only at the start and end of each shift.

When hands are visibly dirty or soiled with body fluids, after using the toilet, or after caring for a patient with a spore-forming pathogen.

Which of the following is true about wearing gloves in patient care?

Gloves replace the need for hand hygiene before and after patient contact.

Gloves do not replace hand hygiene; hand hygiene is required both before donning and after removing gloves.

Hand hygiene is only needed if the gloves visibly tear during the encounter.

Gloves do not replace hand hygiene; hand hygiene is required both before donning and after removing gloves.

Why are artificial nails (acrylics, tips, gels, wraps) prohibited in direct patient care?

They are simply a personal-appearance policy without infection-control basis.

They harbor gram-negative pathogens and have been linked to documented outbreaks.

They interfere with electronic charting systems.

They harbor gram-negative pathogens and have been linked to documented outbreaks.

 

Where on the hand is the highest concentration of bacteria and yeast typically found?

On the palm of the dominant hand.

In the subungual area (the space under the fingernail).

On the back of the hand near the knuckles.

In the subungual area (the space under the fingernail).

A clinician enters a patient room, adjusts only the bed rail, and exits without touching the patient. Is hand hygiene required before the next encounter?

No — there was no patient contact.

Yes — patient surroundings are part of the WHO Five Moments and require hand hygiene afterward.

Only if the bed rail appears visibly soiled.

Yes — patient surroundings are part of the WHO Five Moments and require hand hygiene afterward.

Which statement about combining soap and alcohol-based handrub is correct?

Using both in succession provides additive antimicrobial effect.

There is no need to use both at the same time, and doing so can irritate skin without improving outcomes.

Soap should always be applied immediately after alcohol handrub for maximum effect.

There is no need to use both at the same time, and doing so can irritate skin without improving outcomes.

Why does damaged or cracked skin on a clinician's hands matter for patient safety?

It does not affect patient safety as long as the clinician wears gloves.

Damaged skin harbors more organisms, sheds more bacteria, and makes hand hygiene painful and less effective.

It only matters during surgical procedures.

Damaged skin harbors more organisms, sheds more bacteria, and makes hand hygiene painful and less effective.

Which historical fact about Dr. Semmelweis is correct?

His findings were immediately accepted by the European medical community.

He never published or shared his findings outside his own clinic.

He died in an asylum in 1865, roughly 20 years before his work was widely accepted.

He died in an asylum in 1865, roughly 20 years before his work was widely accepted.

Which of the following is the WHO's preferred product for routine hand hygiene when hands are not visibly soiled?

Plain soap and warm water.

Alcohol-based handrub containing at least 60% alcohol.

Triclosan-based detergent.

Alcohol-based handrub containing at least 60% alcohol.

What approximately is the recommended duration for a soap-and-water handwash?

About 10 seconds

About 30 seconds

At least 2 minutes

About 30 seconds

Approximately what percentage of bacterial reduction is achieved by a single application of medicated soap?

About 25%

About 50%

About 80%

About 80%

When cleaning the back of the hand during a soap-and-water handwash, which technique is correct?

Rub back-to-back with the other hand.

Rub the back of one hand using the opposite palm.

Use a fingernail brush across the dorsum.

Rub the back of one hand using the opposite palm.

Which of the following will alcohol-based handrub NOT reliably eliminate?

Most enveloped viruses such as influenza

Routine bacterial transient flora

Spore-forming organisms such as Clostridium difficile

Spore-forming organisms such as Clostridium difficile

After applying alcohol-based handrub, what is the correct way to dry the hands?

Allow the product to evaporate on its own.

Wipe excess product off with a paper towel

Rinse the residue off with water.

Allow the product to evaporate on its own.

When are gloves appropriate to wear?

Whenever a clinician walks anywhere in the hospital.

Only during direct patient care or anticipated exposure to body fluids; gloves are removed when leaving the area or completing the task.

At all times during a shift, in any location.

Only during direct patient care or anticipated exposure to body fluids; gloves are removed when leaving the area or completing the task.

What is the recommended water temperature for handwashing?

As hot as the clinician can tolerate.

Warm — not hot — water; warm water improves agent activity without damaging skin.

Cold water only, to seal pores.

Warm — not hot — water; warm water improves agent activity without damaging skin.

For which of the following procedures is full sterile technique required?

Taking a routine blood pressure reading.

Administering an oral medication.

Insertion of a central venous catheter.

Insertion of a central venous catheter.

Which is a key advantage of an alcohol-based surgical handrub compared to traditional water-based scrubbing

It eliminates the need for any pre-wash with soap

It is at least as effective at reducing microbial counts, faster to perform, and gentler on the skin.

It works equally well whether the skin is wet or dry.

It is at least as effective at reducing microbial counts, faster to perform, and gentler on the skin.

What does "strikethrough contamination" of a sterile field mean?

A non-sterile object touched the center of the field.

A sterile drape became wet, allowing bacteria to wick through from non-sterile surfaces

The clinician's mask slipped during the procedure

A sterile drape became wet, allowing bacteria to wick through from non-sterile surfaces

What is the correct response when you are uncertain whether an item or area on the sterile field is still sterile?

Treat it as sterile if it still looks clean.

Treat it as contaminated and replace it.

Wipe it with alcohol and continue using it.

Treat it as contaminated and replace it.

Which is the correct order for DONNING personal protective equipment?

Gloves, gown, mask, eye protection.

Gown, mask or respirator, eye protection, gloves.

Mask, gloves, gown, eye protection.

Gown, mask or respirator, eye protection, gloves.

Which is the correct first step for DOFFING personal protective equipment?

Remove the gown first.

Remove the gloves first, since they are the most contaminated.

Remove the mask first to allow easier breathing.

Remove the gloves first, since they are the most contaminated.

Which type of respiratory protection is required for caring for a patient on AIRBORNE precautions, such as for tuberculosis?

A standard surgical mask.

An N95 (or higher) respirator, with the patient in a negative-pressure airborne infection isolation room.

A simple cloth mask.

An N95 (or higher) respirator, with the patient in a negative-pressure airborne infection isolation room.

Which four bones contribute to the structure of the knee joint?

Femur, tibia, fibula, and calcaneus

Femur, tibia, patella, and talus

Femur, tibia, fibula, and patella

Femur, fibula, patella, and talus

Femur, tibia, fibula, and patella

Which structure is described as a main stabilizer located at the distal end of the vastus medialis?

Vastus medialis oblique

Iliotibial band

Pes anserine

Popliteus

Vastus medialis oblique

Bursae around the knee are clinically significant primarily because they:

Produce synovial fluid for the joint

Provide a gliding surface that reduces friction between tissues

Anchor the patella to the tibial tubercle

Replace damaged cartilage over time

Provide a gliding surface that reduces friction between tissues

Meniscal tears typically occur when an athlete:

Lands flat-footed from a vertical jump

Rotates the upper leg while the foot stays planted

Sustains a direct blow to the patella

Performs a deep squat with proper form

Rotates the upper leg while the foot stays planted

Which ligament is described as the main stabilizer of the knee, limiting internal rotation and posterior translation of the tibia on the femur?

Anterior cruciate ligament

Medial collateral ligament

Posterior cruciate ligament

Lateral collateral ligament

Posterior cruciate ligament

The anterior cruciate ligament (ACL) primarily limits which motion?

Posterior translation of the tibia on the femur

Anterior translation of the tibia on the femur

Valgus stress at the knee

Varus stress at the knee

Anterior translation of the tibia on the femur

The lateral collateral ligament connects which two bones?

Femur and tibia

Femur and fibula

Tibia and fibula

Patella and femur

Femur and fibula

The principal movement of the knee is:

Internal and external rotation

Abduction and adduction

Flexion and extension

Pronation and supination

Flexion and extension

What is the approximate maximum angle of knee flexion?

90

110

140

180

140