Which of the following best describes an infection?
The failure of the body to function normally
A diseased section of the body
The invasion of the body by a pathogen and the subsequent symptoms in response to the invasion
The invasion of the body by a disease
The Correct Answer is C
A. The failure of the body to function normally
This is too general and applies to any illness, not specifically infection.
B. A diseased section of the body
This is vague and doesn’t identify causative factors like pathogens.
C. The invasion of the body by a pathogen and the subsequent symptoms in response to the invasion
This accurately defines infection as a host response to pathogen invasion.
D. The invasion of the body by a disease
Diseases don’t invade; pathogens do. This option is not scientifically accurate.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. "These organs are used in digestion."
They are part of the lymphatic/immune system, not the digestive system.
B. "These organs assist with vitamin absorption."
Vitamin absorption is mainly the role of the intestines.
C. "These organs regulate electrolyte balance."
Electrolyte balance is regulated by kidneys and endocrine organs.
D. "These organs are for immunity."
The thymus matures T cells, the spleen filters blood and responds to infection, and lymph nodes trap and destroy pathogens.
Correct Answer is A
Explanation
A. Shingles
Shingles (herpes zoster) occurs when the varicella-zoster virus reactivates from latency in nerve ganglia, typically many years after initial infection with chickenpox.
B. Measles
Measles is caused by the rubeola virus and is not related to herpes varicella zoster.
C. Smallpox
Smallpox is caused by the variola virus, which is entirely different from the herpesvirus group.
D. Mumps
Mumps is caused by a paramyxovirus and is unrelated to varicella-zoster.
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