In the story of Rick, Nick and Sick Tick why did Rick get sick and not Nick?
Nick had immunity against the disease
Rick got a communicable disease
Rick had a weak immune system
Rick got a contagious disease
The Correct Answer is A
A. Nick had immunity against the disease
The scenario implies that Nick had resistance (immunity), preventing illness despite exposure.
B. Rick got a communicable disease
This is true but doesn’t explain why Nick didn’t get sick.
C. Rick had a weak immune system
This is speculative; the key point is that Nick had immunity, not that Rick was unusually weak.
D. Rick got a contagious disease
Contagious diseases can spread, but this still doesn't explain Nick’s protection.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Chemical barriers: tears, saliva, stomach acid
These are first-line defenses that kill or inhibit pathogens before entry.
B. Signs of inflammation: redness, heat, swelling, pain
These are the classic cardinal signs of inflammation.
C. Mechanical barriers: skin, mucous membrane
These form physical barriers to pathogen entry.
D. Nonspecific immunity: inflammation, natural killer cells, fever, T cells
T cells are part of specific (adaptive) immunity, not nonspecific immunity.
Correct Answer is B
Explanation
A. Naturally acquired passive immunity
Passive immunity occurs when antibodies are transferred (e.g., from mother to baby); it does not involve the person’s immune system actively responding.
B. Naturally acquired active immunity
This occurs when a person is exposed to a pathogen, like the measles virus, and their body mounts an immune response, producing long-lasting immunity.
C. Artificially acquired active immunity
This is obtained through vaccination, not from infection.
D. Artificially acquired passive immunity
This refers to receiving antibodies (e.g., through injection of immune globulin), not through natural infection.
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