Deck 43: Speciality Laboratory Tests

Question 1

Which of the following can affect the results of semen analysis by a decrease in the volume of semen?

A)Age
B)Intelligence  
C)Marital status
D)Cigarette smoking

Answer 1

Cigarette smoking

Question 2

A small sample of which of the following specimens is required for a CLIA-Waived IM test?

A)Serum
B)Capillary blood  
C)Plasma
D)All of the above

Answer 2

All of the above

Question 3

Which of the following is true when performing the hCG pregnancy test?

A)Use one reagent. 
B)Apply urine after putting reagent on the test unit. 
C)Use two drops of reagent. 
D)Use a stopwatch to time the test.

Answer 3

Use a stopwatch to time the test.

Question 4

How is the Epstein-Barr virus causing infectious mononucleosis primarily transmitted?

A)Saliva
B)Injection  
C)Aspiration
D)Vector

Question 5

Factors that can alter the results of a semen analysis include all of the following EXCEPT:

A)Orchitis
B)Fever  
C)Cigarette smoking
D)Low fat diet

Question 6

Which of the following does NOT refer to Prothrombin time?

A)INR
B)Protime  
C)PT
D)PTT

Question 7

Which of the following is an incorrect step in obtaining a blood sample for PKU testing?

A)Make a puncture approximately 2-3 mm deep in the lateral heel. 
B)Soak blood completely through the paper. 
C)Use as many blood drops as necessary to fill each circle. 
D)Allow PKU test card to completely dry.

Question 8

Which of the following is NOT included in the diagnosis of infectious mononucleosis?

A)Hematology tests
B)Serology tests  
C)Patient symptoms
D)Chemistry tests

Question 9

What is the process of RBC agglutination called?

A)Antigen reaction
B)Antibody reaction  
C)Hemagglutination
D)Blood typing

Question 10

What is the age group in which symptoms of IM are most often observed?

A)10-15 years
B)12-20 years  
C)15-25 years
D)15-40 years

Question 11

Pregnancy testing is based upon the detection of which hormone?

A)FSH
B)LH  
C)hCG
D)TEH

Question 12

Which of the following is the blood type of the universal donor?

A)O
B)A  
C)B
D)AB

Question 13

The pregnancy hormone can be detected in the urine of a pregnant woman as early as:

A)8 days after conception
B)11 days after conception  
C)2 days after conception
D)14 days after conception

Question 14

Which of the following tests is NOT used in the screening for and diagnosis of tuberculosis?

A)Tine
B)Mantoux  
C)Chest x-ray
D)BCG

Question 15

Which of the following is NOT a factor that may influence the Guthrie test?

A)Ingesting insufficient phenylalanines  
B)Prematurity  
C)Breastfeeding mother taking aspirin  
D)Testing after 3 to 4 days of the beginning of a milk diet

Question 16

Which organ is responsible for producing cholesterol?

A)Heart  
B)Kidney  
C)Liver  
D)Spleen

Question 17

Which of the following may or may not affect sperm function as measured by sperm analysis?

A)Cytoxan
B)Orchitis  
C)Testicular atrophy
D)Alcohol

Question 18

Why is a phenylalanine-restricted diet important?

A)It will cure the underlying condition. 
B)It will prevent the need for special dieting. 
C)It will prevent mental retardation. 
D)It is a high protein diet.

Question 19

Which of the following is true regarding tuberculosis?

A)Caused by mycobacterium avium  
B)Is a very motile bacterium  
C)Is on the decrease in the United States  
D)Has a high content of lipids in the cell wall

Question 20

When is semen analysis NOT performed?

A)Complete PE
B)Evaluate vasectomy effectiveness  
C)Determine paternity
D)Substantiate rape cases

Question 21

Which of the following indicates borderline blood cholesterol levels?

A)150-199 mg/dl
B)200-239 mg/dl  
C)225-250 mg/dl
D)250-300 mg/dl

Question 22

What is the danger of a high low-density lipoprotein level?

A)Too much is excreted in the bile. 
B)It increases risk for coronary artery disease. 
C)It cannot be reversed. 
D)It cannot be used for coronary artery disease risk.

Question 23

Which of the following is an indication for notifying the physician and stopping the glucose tolerance test?

A)Hypoglycemia on a blood sample. 
B)Patient develops nausea. 
C)Extreme hyperglycemia on the fasting specimen. 
D)Patient develops weakness, faintness, or perspiration.

Question 24

Systemic inflammation is the predominant cause of what disease?

A)Blood clots
B)Irritable Bowel Syndrome  
C)Heart disease
D)Diabetes

Question 25

Insulin is secreted by pancreatic cells in response to ____ glucose levels, and glucagon is secreted in response to ____ glucose levels.

A)Increased, decreased
B)Increased, increased  
C)Decreased, increased
D)Decreased, decreased

Question 26

What is the reference range for normal serum values for a fasting blood sugar?

A)110-170 mg/dl
B)70-110 mg/dl  
C)50-90 mg/dl
D)100-150 mg/dl

Question 27

Phenylketonuria (PKU) is an inherited condition in which the baby cannot metabolize which of the following properly?

A)Carbohydrates
B)Fats  
C)Protein
D)Vitamin A

Question 28

Normal total bilirubin levels range between:

A)0.5-1.5 mg/dL
B)0.1-1.2 mg/dL  
C)1-6 mg/dL
D)0.1-0.2 mg/dL

Question 29

What percentage of North Americans are Rh positive, and what percent are Rh negative?

A)85% positive; 15% negative
B)15% positive; 85% negative  
C)75% positive; 25% negative
D)25% positive; 75% negative

Question 30

Which of the following is true regarding a 7-mm reaction to the Mantoux test?

A)Positive
B)Doubtful  
C)Negative

Question 31

Which test measures the concentration of urea in the blood?

A)PKU
B)TB  
C)EIA
D)BUN

Question 32

Match the definitions with the correct term.

antigen

A) found on the surface of red blood cells
B) hemagglutination
C) protein molecules that are found in serum

Question 33

After excess glucose is converted into glycogen, where is it stored long term?

A)Bloodstream
B)Liver  
C)Adipose tissues
D)Muscle cells

Question 34

Match the definitions with the correct term.

antibody

A) found on the surface of red blood cells
B) hemagglutination
C) protein molecules that are found in serum

Question 35

What does an elevated finding of glycosylated hemoglobin indicate?

A)Excessive glucose intake over the last 24 hours  
B)Poor glucose control  
C)Not enough oxygen in the hemoglobin  
D)Oxygen overload

Question 36

Which electrolyte helps with electrical impulses in the cells?

A)CO2
B)Potassium  
C)Sodium
D)Chloride

Question 37

Which of the following is important while injecting the PPD to administer the Mantoux test?

A)Locate a site approximately 6-8 inches from the antecubital space. 
B)Administer the injection subcutaneously. 
C)Inject 0.2 ml of PPD. 
D)Make sure a wheal forms at the injection site.

Question 38

Which of the following is an accurate statement about triglycerides?

A)They serve as a source of energy. 
B)Malnutrition increases the level of triglycerides. 
C)Pregnancy decreases triglyceride levels. 
D)Low triglyceride levels increase the risk of coronary artery disease.

Question 39

Which of the following raises high-density lipoprotein levels?

A)Cigarette smoking
B)Weight gain  
C)Exercise
D)High saturated fat diet

Question 40

The desired levels of INR are:

A)1.0-2.0
B)3.0-4.0  
C)2.0-3.0
D)Greater than 4

Question 41

Match the definitions with the correct term.

blood typing

A) found on the surface of red blood cells
B) hemagglutination
C) protein molecules that are found in serum