BIOS 150 Week 7 Quiz Exam 1 (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. The immune system protects the body against:
A. Nutrients
B. Pathogens
C. Hormones
D. Enzymes
Correct Answer: B
Rationale:Pathogens such as bacteria and viruses are harmful
invaders.
2. Innate immunity is:
A. Specific and slow
B. Non-specific and fast
C. Adaptive only
D. Memory-based
Correct Answer: B
Rationale:Provides immediate defense without specificity.
,3. Adaptive immunity is characterized by:
A. Non-specific response
B. Memory and specificity
C. Fast response only
D. No cells involved
Correct Answer: B
Rationale:Develops targeted responses and memory.
4. First line of defense includes:
A. Skin and mucous membranes
B. Antibodies
C. T cells
D. B cells
Correct Answer: A
Rationale:Physical barriers prevent pathogen entry.
5. Second line of defense involves:
A. Physical barriers
B. Internal defenses like inflammation
C. Antibodies only
D. DNA repair
Correct Answer: B
Rationale:Includes immune cells and inflammation.
6. Third line of defense is:
,A. Innate immunity
B. Adaptive immunity
C. Physical barriers
D. Digestion
Correct Answer: B
Rationale:Specific immune response.
7. Phagocytes function to:
A. Produce hormones
B. Engulf pathogens
C. Store lipids
D. Carry oxygen
Correct Answer: B
Rationale:They ingest and destroy microbes.
8. Macrophages are:
A. Red blood cells
B. Phagocytic cells
C. Neurons
D. Hormones
Correct Answer: B
Rationale:Important in innate immunity.
9. Neutrophils are:
, A. First responders in infection
B. Hormones
C. Lipids
D. DNA molecules
Correct Answer: A
Rationale:Arrive quickly at infection sites.
10. Inflammation results in:
A. Reduced blood flow
B. Increased blood flow and swelling
C. No change
D. DNA repair
Correct Answer: B
Rationale:Helps isolate and destroy pathogens.
11. Fever helps by:
A. Slowing immune response
B. Enhancing immune activity
C. Killing host cells
D. Stopping enzymes
Correct Answer: B
Rationale:High temperature inhibits pathogens.
12. Antigens are:
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. The immune system protects the body against:
A. Nutrients
B. Pathogens
C. Hormones
D. Enzymes
Correct Answer: B
Rationale:Pathogens such as bacteria and viruses are harmful
invaders.
2. Innate immunity is:
A. Specific and slow
B. Non-specific and fast
C. Adaptive only
D. Memory-based
Correct Answer: B
Rationale:Provides immediate defense without specificity.
,3. Adaptive immunity is characterized by:
A. Non-specific response
B. Memory and specificity
C. Fast response only
D. No cells involved
Correct Answer: B
Rationale:Develops targeted responses and memory.
4. First line of defense includes:
A. Skin and mucous membranes
B. Antibodies
C. T cells
D. B cells
Correct Answer: A
Rationale:Physical barriers prevent pathogen entry.
5. Second line of defense involves:
A. Physical barriers
B. Internal defenses like inflammation
C. Antibodies only
D. DNA repair
Correct Answer: B
Rationale:Includes immune cells and inflammation.
6. Third line of defense is:
,A. Innate immunity
B. Adaptive immunity
C. Physical barriers
D. Digestion
Correct Answer: B
Rationale:Specific immune response.
7. Phagocytes function to:
A. Produce hormones
B. Engulf pathogens
C. Store lipids
D. Carry oxygen
Correct Answer: B
Rationale:They ingest and destroy microbes.
8. Macrophages are:
A. Red blood cells
B. Phagocytic cells
C. Neurons
D. Hormones
Correct Answer: B
Rationale:Important in innate immunity.
9. Neutrophils are:
, A. First responders in infection
B. Hormones
C. Lipids
D. DNA molecules
Correct Answer: A
Rationale:Arrive quickly at infection sites.
10. Inflammation results in:
A. Reduced blood flow
B. Increased blood flow and swelling
C. No change
D. DNA repair
Correct Answer: B
Rationale:Helps isolate and destroy pathogens.
11. Fever helps by:
A. Slowing immune response
B. Enhancing immune activity
C. Killing host cells
D. Stopping enzymes
Correct Answer: B
Rationale:High temperature inhibits pathogens.
12. Antigens are:
