1040 final

Which of the following must be considered before organ or tissue transplant?

(a), (b), (c), and (d)

In 2010 the American Association of Blood Banks (AABB) reported the percent frequency of blood group B to be ____________________ percent.

11

percent of RA patients who might have negative RF test results

25%

The National Institute for Occupational Safety and Health (NIOSH) is involved in overseeing clinical laboratory operations and enforcing safety regulations.

False

The genotype and phenotype refer to the same thing.

False

The gram is a metric unit of volume.

False

When the body burns sugar for energy, a group of molecules called ketones are produced.

False

What is the name of the stain used in the microbiology lab to differentiate organisms based on morphology and biochemistry of organism?

Gram

When performing laboratory work, all of the following are true concerning handwashing EXCEPT:

Hand antiseptic is not needed if gloves were worn.

The three ways in which the prothrombin time can be reported are in seconds, as the PT ratio, and as the

INR

The antibody class that is in highest concentration in serum is

IgG

The largest immunoglobulin is:

IgM

Which of the following is true of metabolic syndrome?

It is associated with an elevated blood glucose and a low HDL blood level.

If a 2 M solution is diluted 1:10, which of the following is true?

The concentration of the dilution is 0.2 M.

An automated instrument for testing platelet aggregration is the

aggregometer

Which of the following are clinical symptoms that can be present in infectious mononucleosis? fatigue

all of the above

Which of the following statements applies to the venipuncture procedure?

all of the above

A reflectance photometer provides analysis of samples by measuring the:

amount of light reflected by a colored end product in a reaction

In the latex tests, any D-dimer present in the patient sample reacts with a highly specific monoclonal

antibodies

The process of removing a specific blood component and returning the remaining blood to the circulation is

apheresis

Thick-walled, elastic, and muscular" describes which type of blood vessel?

arteries

The meaning of the suffix -opathy is:

disease

patient with an artificial heart valve could have damaged red blood cells called:

keratocytes

The components easily obtained from 1 unit of donated blood include all of the following EXCEPT:

leukocyte concentrate

triglycerides

lipid profile

open space within a tubular organ or tissue

lumen

to examine by touch

palpate

insoluble antigen-antibody complex

precipitation

first urine voided in the morning

preferred specimen for most hCG tests

bone marrow

primary lymphoid tissues

Levey-Jennings chart

quality control

What is the most important consideration in choosing an instrument?

quality of results

The Remel D-dimer test can be used for a qualitative result or a semi-

quantitative

The abnormal color of urine seen most frequently is:

red or red-brown

If a urine cannot be tested within 1 hour of the collection time, it should be:

refrigerated at 4°F-6°F for up to 4 hours

The major functions of the kidney include:

regulation of acid-base balance

The concave region of the kidney where lymphatic vessels, blood vessels, and nerves enter or exit is the

renal hilus

autoantibodies, usually of IgM type

rheumatiod factors

engineering controls for safety

saftey needle systems

lymph nodes and spleen

secondary lymphoid tissue

Presence of agglutination in the qualitative test for RF should be followed by a(n)

semiquantitative test with serial dilutions

Glassware with chips or cracks:

should be discarded

It is essential to use ___________ slides, pipettes, and swabs in the workup of microorganisms.

sterile

The prefix that means under is:

sub-

As of June 2010, donated blood is tested for evidence of several infectious diseases. Which of the following are included in the testing?

syphilis, West Nile virus, and HIV

In RhD typing:

agglutination is a positive result

The abbreviation for microgram is:

µg

Which of the following is true of reference and recommended values? Correct!

The NCEP desirable level for total cholesterol is < 200 mg/dL.

principle of RF test

agglutination

Most cultures are incubated at __________ degrees C for growth.

37

reference range for calcium

8.7-10.5 mg/dL

negative RF test result

<titer of 1:20

positive RF test result

>titer of 1:20

All of the following are true EXCEPT:

A and B antigens are found only on the cell membranes of red blood cells.

Which is true of blood collection to obtain serum?

A red-top collection tube can be used.

Capillary blood can be collected in:

All (a-c) are true.

In a doubling dilution series, which of the following is true?

All are correct (a-c).

All of these statements are true concerning quality assessment in preparation of reagents EXCEPT:

Beakers and Erlenmeyer flasks are used to measure ingredients.

All of the following statements are true of venipuncture EXCEPT:

Blood can be collected above an IV in an arm.

The serious intravascular clotting condition that can occur after certain bacterial infections is called

DIC

Your reportable range (linear range) for Analyte A is 10-100 mg/dL. You run a patient sample and the result from the analyzer is 140 mg/dL. Which of the following is the best course of action to take?

Dilute the specimen 1:2 and report the result x2

Which analyte is the only additional test included in a hepatic profile but not in a CMP?

Direct Bilirubin

uses enzyme-labeled antibody

EIA

Fever of unknown origin is abbreviated by using the letters:

FUO

A positive latex test for rheumatoid factors is definitive for a diagnosis of rheumatoid arthritis.

False

Attachment of the early embryo to the uterus is called an ectopic pregnancy.

False

Donor blood is routinely tested for the presence of Ebola virus.

False

If a worker is careful, it is not necessary to wear a mask and gloves when weighing caustic chemicals.

False

If blood flow is slow, the tip of the fingertip can be squeezed to increase flow.

False

Infectious mononucleosis is characterized by an increase in monocytes.

False

Microscopes should be transported by firmly grasping the stage and oculars.

False

Normal urine is always pale yellow

False

Which of the following is NOT a characteristic of Epstein-Barr viral infections?

It occurs only in the 15-to-25-year-old age group.

All of the following are methods of naming Rh antigens EXCEPT:

Landsteiner

What 2 types of plated media are used for urine culture?

MAC and blood

What is the name of a staphylococcus that cannot be destroyed by routine penicillin group antibiotics?

MRSA

then which of the analytes contributes the most to the osmo?

Na

One agency that accredits educational programs for clinical laboratory personnel is the:

National Accrediting Agency for Clinical Laboratory Sciences (NAACLS)

Staph and Strep are Gram __________ organisms

Positive

All of the following are ESR methods EXCEPT:

Quick's ESR

All of the following are appropriate safety measures to incorporate into laboratory procedures EXCEPT:

Store chemicals in alphabetical order so they can be easily found.

The traditional method of applying sample from a swab onto the media plates in order that isolated colonies can be seen is:

Streak for isolation

AutoAnalyzer

Technicon corp

All of the following are part of proper venipuncture technique EXCEPT:

The patient should hold the arm up and out, away from body.

All of the following are true concerning laboratory balances EXCEPT:

The weighing pan should be cleaned once a day

Which is true of red cells in iron deficiency anemia?

They are hypochromic.

Quality control on your analyzer has been trending down for the past 6 days but is still in range. What is the best approach to take?

Troubleshoot the analyzer because this is most likely a systematic error

A patient's hands can be placed in warm water for a few minutes to enhance circulation.

True

An example of an analytical factor that can affect the actual test procedure is an interfering substance in the patient's specimen.

True

Infectious mononucleosis is caused by infection with Epstein-Barr virus.

True

The coarse adjustment can be used with the 10X and 40X objectives but not with the 100X objective.

True

The red/gray stopper tube contains a polymer gel and a silica activator.

True

The testing of patient blood with potential donor blood is called compatibility testing or crossmatching.

True

enzyme activity units per liter

U/L

Workups on potentially dangerous organisms should be performed:

Under a safety hood

_______________is the soluble in highest concentration in the urine of healthy adult

Urea

On which of the following cultures is a colony count performed?

Urine

Which of the following could be the reason for a negative urine hCG test result when a patient is 2 weeks pregnant?

Urine is too dilute.

Which of the following is a safety rule in the laboratory?

Wear safety goggles when working with strong chemicals.

first rapid slide tests for hCG

agglutination inhibition

Which of the following statements is true of the hemacytometer?

When viewed from the top, it has two polished raised platforms.

A blood glucose measurement on a sample taken when the patient has not eaten for 8 hours is:

a fasting glucose

The abnormal condition in which blood pH falls below 7.35 is

acidosis

large vein on the inner (pinkie) side of the arm

bacilic

Chemistry analyzers and instruments in the clinical laboratory present:

biological, physical, and chemical hazards

Hypocalcemia is a condition in which the blood level of ____________________ is below normal.

calcium

sodium

cation

superficial vein on the thumb side of the arm

cephilic

Sites are prepared for venipuncture by:

cleansing with 70% alcohol and allowing the site to dry

IgG

coat latex reagent

positive hCG control

contains 25-250 mlU/mL

kidney function

creatinine

The stem that means skin is:

cut-

extrauterine pregnancy

ectopic

Ions in the body are called ____________________.

electrolytes

ovarian tumor

false positive result in hCG test

The Fahrenheit scale has the:

freezing point of water at 32°

levels rise during the first trimester

hCG

swelling of tissue around a vessel due to leakage of blood into the tissue

hematoma

increase in the cellular elements of the blood

hemoconcentraion

tasting the patient's urine

hippocraties

hollow needle used for injections or for obtaining fluid specimens

hypo needle

The condition in which the blood glucose concentration is below normal is

hypoglycemia

Decreased serum potassium due to diarrhea vomiting or use of diuretics is known as ____________________.

hypokalemia

POCT sites can be:

in the intensive care unit (ICU)

Which is correct concerning donor blood?

it is labeled Rh positive if the weak D test is negative

relating to a substance capable of causing birth defects

teratogenic

invention of the microscope

the 1600s

If a urine specimen is to be cultured for bacteria:

the culture must be set up before the routine urinalysis is done

iron

transferrin

relating to embryonic nutritive tissue

trophoblastic

blood vessel that carries deoxygenated blood from the tissues to the heart

vein

phlebotomy

veinipuncture

Which type of culture is most likely to grow anaerobes?

wounds