Pre-Questions
1. Which of the following DO NOT form part of physical barriers?
a. sweat
b. sebaceous secretions
c. unbroken skin
d. mucous membrane
... [Show More] e. T cells
2. The term is given to any foreign substance that stimulates a specific immune system response.
a. Antigen
3. The immune defenses are divided into how many basic categories.
a. five
b. four c. two
d. three
4. Chemical barriers include: (Select all that apply)
a. Mucous
b. Food
c. Hydrochloric acid d. Sweat
5. Monocytes differentiate into when the cells migrate to tissues. a. macrophages
b. neutrophils
c. lymphocytes
d. basophils
In between study questions
6. Nonspecific chemical defenses include:
a. lysozyme
b. stomach hydrochloric acid
c. All of the answers are correct
d. lactic acid and electrolytes of sweat
e. the skin's acidic pH and fatty acids
7. Which of the following is not an event of phagocytosis?
a. Phagolysosome formation
b. Chemotaxis
c. Diapedesis
d. Ingestion
e. Destruction
8. Neutrophils, eosinophils, and basophils are called granulocytes because they have prominent cytoplasmic inclusions that appear with identifying, characteristic colors in a stained blood smear.
9. Which of the white blood cells produces chemicals that can attack large helminths?
a. Basophils
b. Lymphocytes
c. Neutrophils
d. Eosinophils
e. Macrophages
10. Host cells that produce interferon after viral attack can protect themselves from the invasion.
a. True b. False
11. The membrane attack stage of the complement cascade involves:
a. a ring-shaped protein digesting holes in bacterial cell membranes and virus envelopes
b. the production of inflammatory cytokines
c. initiation of the cascade
d. the cleaving of C3 to yield C3a and C3b
e. C1q binding to surface receptors on a membrane
12. Which of the following is mismatched in relation to inflammation? a. Tumor - cancer
b. Rubor - redness
c. Dolor - pain
d. Calor – warmth
Post-Questions
13. The chemical found in tears and saliva that hydrolyzes the peptidoglycan in certain bacterial cell walls is:
a. lactic acid b. lysozyme
c. histamine
d. hydrochloric acid
e. bile
14. The blood cells that function in allergic reactions and inflammation, contain peroxidase and lysozyme, and particularly target parasitic worms and fungi are:
a. lymphocytes
b. monocytes
c. neutrophils
d. basophils e. eosinophils
15. The least numerous of all white blood cells that release histamine during inflammation and allergic reactions are:
a. eosinophils
b. neutrophils
c. lymphocytes
d. basophils
e. monocytes
16. Monocytes and Lymphocytes are agranulocytes because they have lobed nucleus and no colored granules in the cytoplasm.
17. The membrane attack complex is a ring-shaped protein digesting holes in bacterial cell membranes.
18. The interferon protein can be produced by a virus-infected cell, in order to communicate with other cells that need to produce antiviral proteins.
19. The branch of the immune system present at birth is called:
a. cell mediated
b. granulocytic
c. innate
d. humeral
e. adaptive
20. The process in which the phagocytic cells move to the bacteria:
a. engulfment
b. vasodilation
c. fever
d. chemotaxis
e. phagocytosis
21. Match the following cells with their characteristics:
a. First to the site of an infection – neutrophils
b. Produces histamine – basophils
c. Attack virus infected cells – NK cells
d. Increased in helminth infections – eosinophils
22. List the following steps of phagocytosis in order:
a. Chemotaxis
b. Adhesion
c. Engulfment
d. Phagosome formation
e. Phagolysosome formation
f. Killing
g. Residual body
Adaptive Immune Function
Pre-questions
1. A foreign molecule that causes a specific immune response is a(n):
a. hapten
b. PAMP
c. antibody
d. marker e. antigen
2. Acquired specific immunity involves the response of:
a. interferon
b. B and T lymphocytes
c. lysozyme
d. skin barriers
e. mucus membranes
3. B-cells are part of humoral immunity and T cells are part of cell-mediated immunity.
4. Plasma cells:
a. function in allergic reactions. b. secrete antibodies.
c. directly destroy target cells.
d. activate B cells and other T cells.
e. suppress immune reactions.
5. Lymphocyte maturation involves:
a. release of mature lymphocytes to begin migration to various lymphoid organs.
b. B cells maturing in bone marrow sites. c. All of the choices are correct.
d. hormonal signals that initiate development.
e. T cells maturing in the thymus.
In between study questions
6. Specific immunity provides long-lasting protection through the production of:
a. phagocytotic cells b. memory cells
c. plasma cells
d. antibodies
e. T helper cells
7. The cells of the adaptive immune system are educated to distinguish your cells from invading pathogens, cells that would respond to self-antigens are destroyed in immune tolerance. This property of adaptive immunity is attributed to the
a. Specificity
b. Inducibility
c. Clonality
d. Memory
e. Unresponsiveness to self [Show Less]