Module 4 Pathology 244

Question 1

A molecule that will react against an antigen is called a(n):

Answer 1

Antibody

Question 2

Adenoid and pharyngeal tonsils are part of Waldeyer’s ring. Waldeyer’s ring plays an important part in specific immunity.

Answer 2

The first statement is true and the second statement is false

Question 3

All of the following are Immune System Triggers EXCEPT one. Which one is the EXCEPTION?

Answer 3

Antibodies

Antigens
Haptens
Major histocompatibility complexes

Question 4

All of the following are functions of the cytokines EXCEPT one. Which one is the EXCEPTION?

Answer 4

Deactivate chemotaxis

Enhance cell growth
Carry messages to and from cells
Activate immune cells

Question 5

All of the following are organs involved in immunity EXCEPT one. Which one is the EXCEPTION?

Answer 5

Pancreas

Bone marrow
Thymus
Spleen

Question 6

All of the following are types of antibodies EXCEPT one.Which one is the EXCEPTION?

Answer 6

IgG
IgE
Correct IgB
IgM

Question 7

An example of a Type I hypersensitivity reaction would be HIV. IgE is involved in Type I reactions.

Answer 7

The first statement is false and the second statement is true

Question 8

During humoral immunity, B cells are transformed into Plasma cells. B and T cells must work together before Plasma cells can be created and antibodies produced.

Answer 8

Both statements are true

Question 9

Nonspecific immunity is an “acquired immunity”. In nonspecific immunity antibodies are released.

Answer 9

Both statements are false

Question 10

The antibody responsible for protecting newborns is IgG. IgG are always the first antibodies to respond.

Answer 10

The first statement is true and the second statement is false

Question 11

Which of the following functions is most commonly performed by the macrophage?

Answer 11

Presents antigens to T lymphocytes

Question 12

Which immunoglobulin is the first antibody to respond and and causes clumping of antigens to aid in phagocytosis?

Answer 12

IgM

Question 13

Which immunoglobulin is involved in type I hypersensitivity reactions?

Answer 13

IgE

Question 14

The function of cytokines and other chemical mediators in the immune system is BEST defined by which of the following descriptors?

Answer 14

Regulates the immune response

Question 15

Receiving immunity from a polio vaccination is an example of which of the following?

Answer 15

Active, artificial immunity

Question 16

Which of the following is an example of a cytotoxic or Type II hypersensitivity reaction?

Answer 16

Graves disease

Question 17

After enjoying a fun afternoon hiking through the woods you notice your hands become itchy and begin to break out with multiple vesicle-like lesions. You remember that you did see some plants that looked like poison oak or ivy. Your allergic reaction would be classified as:

Answer 17

Type IV

Question 18

Your patient complains of “gum redness and irritation” that began yesterday. After questioning your patient you find out he started using a different toothpaste two days ago. He decided to try this new “cinnamon-flavored” toothpaste. You note his gingiva has a generalized erythematic (red) appearance. This type of allergic reaction would be classified as:

Answer 18

Type IV

Question 19

Immune system cells are produced in which of the following?

Answer 19

Bone marrow

Question 20

Natural Killer Cells do NOT have to be sensitized to an antigen to destroy it. Natural Killer Cells begin as monocytes but turn into Natural Killer Cells when entering tissue.

Answer 20

The first statement is true and the second statement is false

Question 21

Nonspecific immunity is an “acquired immunity”. In nonspecific immunity antibodies are released.

Answer 21

Both statements are false

Question 22

Which of the following describes what happens to T lymphocytes when they mature in the thymus gland?

Answer 22

T cells are processed to become self-tolerant

Question 23

Which of the following would be an appropriate modification within the dental office to try to minimize the dental health care worker’s chance of becoming sensitized to natural rubber latex protein?

Answer 23

Provide dental health care workers with well-fitting gloves made from a latex-free alternative material