Immunology Final Exam; Questions and Answers 100% Correct
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Course
HMX
Institution
HMX
Immunology Final Exam; Questions and
Answers 100% Correct
Which of the following is NOT apart of the Acquired Immune System?
a. Passive Immunization
b. Active Immunization
c. Physiological and Chemical Barriers
d. None of the above Answer-C. Physiological and Chemical Barriers
What are the ...
Immunology Final Exam; Questions and
Answers 100% Correct
Which of the following is NOT apart of the Acquired Immune System?
a. Passive Immunization
b. Active Immunization
c. Physiological and Chemical Barriers
d. None of the above Answer-C. Physiological and Chemical Barriers
What are the characteristics of the Immune Response?
a. Adaptive
b. Indiscrimination between self and none-self
c. A & B
d. A & C
e. All the above Answer-d. A & C
Which of the following is true about antigen-presenting cells?
a. They are macrophages
b. Present antigens to T-cells
c. MHC complexes are present upon them
d. All the above
e. None of the above Answer-d. All the above
What characteristic is true about the clonal selection theory?
, Immunology Final Exam; Questions and
Answers 100% Correct
a. Recognizes foreign molecules
b. Self-reactive epitopes are shut off
c. Very few antigen specificities present before antigenic contact
d. Both A & B
e. Both B & C
f. All of the above Answer-d. Both A & B
What is true about lymphocytes?
a. B Lymphocytes secrete antibodies
b. T Lymphocytes secrete cytokines
c. There are multiple specificities per lymphocytes
d. Both A & B
e. All the above Answer-d. Both A & B
Antibody interactions are:
a. strong with covalent bonds
b. weak with covalent bonds
c. strong with Van der Waals forces
d. Weak with Van der Waals forces
e. Contain both weak and strong bonds Answer-d. Weak with Van der Waals forces
, Immunology Final Exam; Questions and
Answers 100% Correct
Which type of T-Cell kills other cells?
a. helper
b. cytotoxic
c. DHT
d. All the above Answer-b. cytotoxic
What are the characteristics of innate immunity?
a. Non-specific
b. Born with it
c. Body's second line of defense
d. A & B
e. B & C
f. A & C Answer-d. A & B
Which of the following is NOT a physiological or chemical barrier to a foreign invader?
a. Acidic pH in nostril membranes
b. Cough reflex
c. High pH in GI Tract
d. Pulmonary macrophages
e. None of the above Answer-c. High pH in GI Tract
, Immunology Final Exam; Questions and
Answers 100% Correct
Which of the following are true regarding phagocytosis?
a. Opsonins are used to enhance antigen target
b. PMN's and macrophages are involved in phagocytosis
c. Defects in phagocytosis causes recurrent infections
d. All of the above Answer-d. All of the above
The reticuloendothelial system (RES) is involved in:
a. Macrophage phagocytosis
b. Innate Immunity
c. Elimination of aged or imperfect cells.
d. A & B
e. A & C
f. All the above Answer-f. All the above
Which of the following is NOT true about the Nature Killer (NK) cells?
a. They are apart of the innate immune system
b. They have Killer-Excitatory Receptors (KER's), which bind to MHC I complexes
c. They kill foreign cells by lysis or apoptosis
d. They kill virus infected and tumor cells
e. None of the above Answer-b. They have Killer-Excitatory Receptors (KER's), which bind
to MHC I complexes
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