Question 1

Ted came to the office feeling weak and has had significant weight loss recently. His blood tests show that his T-cell count is 178, his temperature is 102.4, and his blood pressure is 100/62. Based on his signs and symptoms, the practitioner might perform further tests to rule out ______.

Accepted Answer

A)  systemic lupus erythematosus. 
B)  chronic fatigue syndrome. 
C)  lymphedema. 
D)  AIDS. 
E)  mononucleosis.

Question 2

Which of the following is the immunoglobulin that primarily binds to antigens on food, bacteria, or incompatible blood cells?

Accepted Answer

A)  IgG 
B)  IgA 
C)  IgM 
D)  IgE 
E)  IgD

Question 3

A(n) ________ is a disease-causing agent such as a bacterium, virus, toxin, fungus, or protozoan.

Accepted Answer

The answer of A(n) ________ is a disease-causing agent such...

Question 4

_______ are three sets of lymphoid tissue that include pharyngeal, palatine, and lingual.

Accepted Answer

The answer of _______ are three sets of lymphoid tissue...

Question 5

When normal cells create growths, the growths are called ________, meaning they are not cancerous.

Accepted Answer

The answer of When normal cells create growths, the growths...

Question 6

Some foreign substances in the body are too small to start an immune response by themselves, so they join to proteins in the blood, where they are able to trigger an immune response. These substances are called ________.

Accepted Answer

The answer of Some foreign substances in the body are...

Question 7

Which of the following describes the spleen?

Accepted Answer

A)  It is located in the thorax, above the heart. 
B)  It removes aged RBCs from circulation. 
C)  It decreases in size as a person ages. 
D)  It produces T-lymphocytes. 
E)  It produces thymosin.

Question 8

A substance that triggers an allergic response is called a(n) ________.

Accepted Answer

The answer of A substance that triggers an allergic response...

Question 9

The most active phagocytes in the blood are neutrophils and ________.

Accepted Answer

The answer of The most active phagocytes in the blood...

Question 10

If lymph cannot be pushed through the vessels, ____.

Accepted Answer

A)  blood pressure rises immediately 
B)  the kidneys excrete it 
C)  edema develops 
D)  the arteries and veins take over that function 
E)  the lymph is reabsorbed into the blood

Question 11

A life-threatening condition caused by an allergy in which vessels dilate so quickly that blood pressure drops too quickly for organs to adjust is called ________.

Accepted Answer

The answer of A life-threatening condition caused by an allergy...

Question 12

Major proteins in serum that attack pathogens and can also attract macrophages to pathogens and stimulate inflammation are called ________.

Accepted Answer

The answer of Major proteins in serum that attack pathogens...

Question 13

Which nonspecific defense activates cells in the body to attack pathogens?

Accepted Answer

A)  A chemical barrier 
B)  Fever 
C)  Inflammation 
D)  Phagocytosis 
E)  A mechanical barrier

Question 14

Lymphocytes known as ________ cells primarily target cancer cells, killing these harmful cells on contact by secreting chemicals that produce holes in the membranes, causing them to burst.

Accepted Answer

The answer of Lymphocytes known as ________ cells primarily target...

Question 15

Which of the following secrete lymphokines?

Accepted Answer

A)  Macrophages and lymphocytes 
B)  T cells 
C)  Cytokines 
D)  Natural killer (NK) cells 
E)  Monokines

Question 16

Which type of immunity results simply from being human, as opposed to being a cow or plant?

Accepted Answer

A)  Naturally acquired active 
B)  Artificially acquired passive 
C)  Naturally acquired passive 
D)  Artificially acquired active 
E)  Species resistance

Question 17

White blood cells called ________ engulf and destroy pathogens and unwanted debris in the body.
Delete this space

Accepted Answer

The answer of White blood cells called ________ engulf and...

Question 18

The cells of the lymphatic system produce proteins known as ________, which assist in immune response regulation. Two types of these proteins are monokines and lymphokines.

Accepted Answer

The answer of The cells of the lymphatic system produce...

Question 19

Which of the following types of immunity crosses the placenta and passes through the breast milk?

Accepted Answer

A)  Naturally acquired active 
B)  Artificially acquired active 
C)  Naturally acquired passive 
D)  Artificially acquired passive 
E)  Species resistance

Question 20

Mucous membranes and skin are examples of which type of nonspecific body defense?

Accepted Answer

A)  Chemical barriers 
B)  Mechanical barriers 
C)  Fever 
D)  Inflammation 
E)  Phagocytosis

Exam 27: The Lymphatic and Immune Systems