60MCQPRACTI CE.docx!!

At which temperature is campylobacter agar incubated?

42^{\circ}\text{C}

Which of the following plated media is enriched?

Chocolate agar

Throat swabs are usually planted on:

Blood agar

The final colour of a gram positive organism is

blue-purple

Which reagent in the gram stain is the primary stain?

Crystal violet

A streak plate method

two of the above (is used to quantify bacterial growth & requires a calibrated loop)

If a microorganism is a strict anaerobe

it cannot survive in the presence of oxygen

Which of the following is/are untrue of the Zeihl-Neilsen stain?

has Lugol’s iodine as a mordant

Throat swabs are frequently taken to diagnose

Streptococcus pyogenes

The primary stain in a Ziehl-Neilsen stain is

carbol fuchsin

Beta hemolysis causes

a completely clear zone around colonies on whole blood agar

0.5\% agar is added to media to

form a semisolid media

A Ziehl-Neilsen stain

is used to stain any Mycobacterium species

Thayer-Martin media is a

selective medium

Identify the correct sequence for the Gram stain procedure.

primary stain, mordant, decolourizer, counter stain

Thyroxine is also known as

T4

TSH

controls T3 and T4 secretion

Which of the following is not an endocrine test?

ASOT

Before performing a urine R\&M, the specimen is

two of the above (To be inverted gently to mix well & Be brought to room temperature)

A test that helps diagnose polycythemia is

Hematocrit

Blood for an ESR must be

All of the above (EDTA anticoagulated, Fresh, Well mixed)

The difference in performing an ESR using a Westergren method versus a Wintrobe method is

the Westergren requires dilution of the specimen

The active ingredient in Drabkin’s reagent is

cyanide

A paler than normal erythrocyte is called

Hypochromic

When preparing a reticulocyte smear

both a and b (the stains used are new methylene blue or brilliant cresyl blue & the stain and blood must react together for 15 minutes prior to making the smear)

What is the definition of Pyrexia

Fever

“Enia” means

Deficiency

Distilled water is

Water free of minerals

“Coefficient of variation” is:

The dispersion of the probability distribution

Where to obtain specimen to patient with “FISTULA”?

Other arm

What is the normal appearance of a seminal fluid?

Whitish and viscous

How the body function is called?

Physiology

MSU?

Void first, catch second and void last

What is the function of hemoglobin?

Carries oxygen to the different parts of the body

Holter monitor, how will you explain to patients about the procedures using it?

Keep records during exercise, eating

200\text{mL} volumetric flask calibrated by \pm0.06\text{mL}, the acceptable range are from?

199.94\text{mL} to 200.06\text{mL}

Order of drawing blood from patients?

Blood culture, light blue, red, lavender, gray

Which of the following tasks falls within the scope of practice of lab technician?

Preparation of samples prior testing

Tourniquet

Placed 3-4 inches above the site

What is the maximum time a tourniquet needs to be removed from the patient’s arm during the venipuncture procedure?

Less than 60 seconds

Which is the best for antiseptic for blood culture?

Povidine and alcohol

The maximum time urine can stay the fridge is?

24 hours

What is the location of V4?

5^{\text{th}} intercostal, mid clavicular line

-20 degree celcius, what is frozen?

Cryoprecipitate

What does the letter “K” represents in all of the laboratory results?

Potassium

To correct for thin blood film/ smear, laboratory technician should do?

Increase angle to 30 degrees and increase blood

To centrifuge urine, the speed and time is 1500\text{ rpm} for 10 minutes. When using the micro-hematocrit in the laboratory, what is the speed and time?

10000\text{ rpm}/5\text{ minutes}

What is to be done to a tissue for histology that could not be processed immediately?

a. Wrap the tissue with gauze and soaked in saline

d. Bring the laboratory to the room temperature

What is the smallest needle?

23

The size of the black needle is?

22

Hematopoiesis means:

RBC matured in the bone marrow (blood cell production)

Leukopoiesis means:

Synthesis of WBC

Pregnancy test detects?

HCG

An advantage of using the vacuum tube method to perform venipuncture is?

A greater variety of tubes may be collected with one puncture

Type A red blood cells

will react with anti-A antisera

Should an Rh positive mother be concerned about HDFN?

No, she should not be concerned about HDFN.

An Rh-positive mother's red blood cells do not produce the antibodies that cause Rh-factor HDFN. 

Type AB blood

has A and B antigens

Group O blood cells

have no AB antigens on their surface

What is the optimum pH of the phosphate buffer utilized in the Wright's stain?

6.4 - 6.8

Which of the following is the anticoagulant of choice for blood gas studies?

Lithium heparin