Phlebotomy Essentials 7th edition (Chapters 11-14)

Which point of care test helps physician differentiate chronic obstructive pulmonary disease (COPD) and congestive heart failure (CHF)?

BNP

What type of specimen is needed for a guaiac test?

feces

An uncorrected imbalance of this analyte in a patient can quickly lead to death.

Potassium

Which point of care blood glucose analyzer uses a microcuvette instead of a test strip?

Accu-Chek Inform II

What blood test is done for TB?

IGRA

Which blood culture bottle is drawn first when doing a butterfly draw?

aerobic

This test detects occult blood

Guaiac

Which of the following is a proteins that is specific to heart muscle?

TnT

Hemochromatosis is the overproduction of what?

Iron

Ionized calcium does not play a critical role in which?

Glycosylation

Which test is used to monitor heparin therapy?

ACT (activated clotting time)

Which of the following test is used to monitor warfarin therapy?

PT

Which of the following must remain consistent throughout an oral glucose tolerance test (GTT)

Blood specimen source

Which of the following can be used to clean a site before blood alcohol specimen collection?

benzalkonium chloride

A peak drug level has been ordered for 0900. You draw the specimen 10 minutes late because of unavoidable circumstances. What additional action does this necessitate?

Record the actual time of specimen collection

A trough drug level is collected:

Immediately before the next scheduled drug dose is given

According to CLSI, _________ is the recommended blood culture site skin disinfectant for infants two months and older

Chlorhexidine gluconate

How many hours do you wait for a postprandial glucose test

2 hours

Which would you not use a trace element free tube for?

Sodium

Increased blood glucose is called

hyperglycemia

Which specimen requires especially strict identification and labeling procedures?

cross match

Donor units of blood are typically collected using needles that are what gauge?

16-18 gauge

What type of additive is best for collecting an ethanol specimen?

sodium fluoride

The most critical aspect of blood culture collection is

skin antisepsis

For which condition is a unit of blood withdrawn from a patient as treatment?

Hemochromatosis

A barcode is a

series of bars and spaces representing numbers or letters

This is permanent computer memory that instructs the computer to carry out user-requested operations.

ROM

ESR determinations on specimens held at room temperature must be made within

4 hours

This organization develops standards for specimen handling and processing

CLSI

This is an example of a pre-analytical error made at the time of collection

failing to mix tubes

A glucose sample collected in a sodium fluoride tube is generally stable at room temperature for

24 hours

This is a source of pre-analytical error that occurs before specimen collection

Dehydrated patient

What does QNS stand for?

quantity not sufficient

Glycolysis by the cells in blood specimens can falsely lower glucose levels in four hours at a rate of up to

10mg/L per hour

Some blood specimens require cooling to

slow metabolic processes

Removing the stopper from a specimen can cause all of the following EXCEPT:

loss of iCA++

If a specimen has inadequate identification, the specimen processor may

ask the phlebotomist to get a new sample

An example of a pre-analytical error happening during specimen processing is

inadequate centrifugation

To be considered computer literate, an individual must be able to

understand the computer and the functions it performs

This is a term for a group of computers linked together for the purpose of sharing information

network

Which of the following is not a function of a computer CPU

provide visible display of all the information being processed

Computer peripherals include all of the following EXCEPT

programs

The laboratory has a computerized laboratory information system (LIS). Once an inpatient specimen has been collected by a phlebotomist and returned to the laboratory, what happens next?

Specimen collection is verified

What is the temporary storage of a computer called?

RAM

Which of the following would be described as logging on

Entering a password to access the LIS

Computer verification of test orders is best described as a process that allows a user to

modify, delete, or accept test orders after review of data

When using computer generated specimen labels what information must be added to the label after the specimen is collected

Phlebotomist's initials

In computer security what is it called when the network is compromised

breach

Which of the following would be pre-analytical error related to specimen transport

Agitation-induced hemolysis

CSF is the abbreviation for fluid that comes from the

spinal cavity

A catheterized urine specimen is collected:

From a sterile tube passed through the urethra into the bladder

A term used to describe blood that cannot be seen with the naked eye is

occult

A routine urinalysis specimen that cannot be analyzed within two hours require

Refrigeration

Urine cytology studies look for presence of

abnormal cells

Which type of specimen must be handled and analyzed STAT?

spinal fluid

This type of specimen is obtained by inserting a flexible swab through the nose.

NP (nasopharyngeal)

This test can be used to evaluate stomach acid production.

gastric analysis

Clean-catch refers to a urine specimen that is collected

after cleaning the genital area

A test that identifies bacteria and the antibiotics that can be used against them is the:

C&S (culture and sensitivity)

Which of the following types of infections would be classified as a UTI

bladder

Which specimen is ideal for most urine tests?

8 hour

Which type of sample can be tested to detect chronic drug use

Hair

The first tube of cerebrospinal fluid (CSF) is typically used for:

Chemistry tests

What type of specimen is required for a rapid strep test

throat swab

This fluid comes from the male reproductive system

seminal

This test detects parasites and their eggs in feces

O&P

The hydrogen breath test detects:

lactose intolerance

What is sputum?

phlegm

Accumulation of excess fluid in the peritoneal cavity is called

ascites

Semen analysis can be performed to

Evaluate fertility status

Which of the following fluids is obtained through lumber puncture

spinal

Peritoneal fluid comes from the

abdominal cavity

Which urine test requires a midstream clean-catch specimen?

culture and sensitivity (C&S)

A routine urinalysis typically includes all of the following except

cytological analysis

All of the following would cause an arterial blood gas specimen to be rejected except

unavoidable delay in collection

Sudden fainting during arterial puncture is all of the following EXCEPT

related to hypoglycemia

Which of the following is the best way to tell if a specimen is arterial? As a specimen is collected, the blood will

pump into the collection syringe

What should the phlebotomist do if the pulse is absent or faint following arterial blood collection

Notify the patient's nurse or the lab supervisor

The most common needle size for routine radio ABG specimen collection is?

22 gauge

Which of the following is the most common arterial puncture complication even when proper procedure is used

Arteriospasm

Steady state means that the patient has

Had no suction or respirator changes

What constitutes a positive modified Allen test?

The hand color returns to normal in 15 seconds

Positioning of the arm for radial arterial blood gas specimen collection includes all of the following EXCEPT:

arm adducted

The proper angle of needle insertion for drawing femoral arterial blood gas is:

90 degrees

The thumb should not be used to feel for the artery because it:

has a pulse

Arteriospasm is defined as:

Artery contraction due to pain, irritation by a needle, or anxiety

All of the following can affect the integrity of a blood gas sample EXCEPT:

increased vagus nerve activity

Patient complications associated with arterial puncture include all of the following except

venostasis

Arterial puncture site selection is based on all of the following except

available equipment in the room

The preferred and most common site for arterial puncture is the

radial artery

Which artery is generally easiest to access during low cardiac output

femoral

The biggest advantage of choosing the radial artery for arterial blood gas collection is

Good collateral circulation is present

The blood gas parameters HCO3 measures the amount of

Bicarbonate circulating in the blood

Which of the following is not a blood gas component

PO4

When performing the modified Allen test, which artery is released first?

ulnar

Heparin is used in arterial sample collection to

prevent clotting of the specimen

The radial artery is located in the

Thumb side of wrist

A proper cleaning solution for preparing an arterial puncture site is

isopropyl alcohol

Which of the following is an acceptable angle of needle insertion for drawing radial arterial blood gases

45 degrees

Order of draw based on additives

Blood Culture (Color varies)

Sodium Citrate (Light Blue)

Serum with or without clot activator or gel (Red, Tiger, Gold)

Heparin (Green)

EDTA with or without gel (Lavender, Purple, White/Pearl)

Sodium Flouride/Potassium Oxalate (Gray)