Question 1

The preferred sample for pregnancy testing is obtained as a:

Accepted Answer

A)  random sample. 
B)  first morning sample. 
C)  24-hour sample. 
D)  catheterized specimen.

Question 2

Nonpathogenic microorganisms that normally inhabit the skin and mucous membranes are called ____________________.

Accepted Answer

The answer of Nonpathogenic microorganisms that normally inhabit the skin...

Question 3

About ____% of North Americans are Rh positive, and ____% are Rh negative.

Accepted Answer

A)  85; 15 
B)  15; 85 
C)  5; 95 
D)  95; 5

Question 4

The age group in which symptoms of EBV are most often displayed is:

Accepted Answer

A)  under 5. 
B)  15 to 25. 
C)  40 to 50. 
D)  50 and over.

Question 5

Substances that are perceived as foreign to the body and elicit an antibody response are ____________________.

Accepted Answer

The answer of Substances that are perceived as foreign to...

Question 6

Which of the following lymphocytes differentiate into plasma cells and memory cells with the subsequent production of antibodies (humoral immunity)?

Accepted Answer

A)  T cells 
B)  Natural killer (NK) cells 
C)  B cells 
D)  T helper cells

Question 7

Pregnancy testing is based upon detection of:

Accepted Answer

A)  follicle-stimulating hormone. 
B)  luteinizing hormone. 
C)  human chorionic gonadotropin (HCG). 
D)  TSH.

Question 8

______________ are proteins secreted by infected cells to prevent the further replication and spread of an infection into neighboring cells.

Accepted Answer

The answer of ______________ are proteins secreted by infected cells...

Question 9

Which of the following is the causative agent of infectious mononucleosis?

Accepted Answer

A)  Human immunodeficiency virus (HIV) 
B)  Variola major 
C)  Epstein-Barr virus (EBV) 
D)  Cytomegalovirus

Question 10

HCG is produced by the developing placenta during pregnancy, with the levels peaking:

Accepted Answer

A)  between 5 and 8 days after conception. 
B)  between 10 and 30 days of pregnancy. 
C)  between 50 and 80 days of pregnancy. 
D)  on the day of delivery.

Exam 7: Immunology