A newborn infant has immunity from their mother. Which type of immunity is it?
Naturally acquired active immunity
Artificially acquired passive immunity
Naturally acquired passive immunity
Artificially acquired active immunity
The Correct Answer is C
A. Naturally acquired active immunity
This results from infection and the body’s own immune response—not applicable to newborns.
B. Artificially acquired passive immunity
This comes from injection of antibodies (e.g., immunoglobulins)—not from the mother.
C. Naturally acquired passive immunity
This is passed from mother to child through the placenta (IgG antibodies) and via breast milk (IgA).
D. Artificially acquired active immunity
This comes from vaccines that stimulate the body to produce its own antibodies.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C","D"]
Explanation
A. Inhalation of an infectious pathogen
Respiratory droplets or airborne pathogens (e.g., influenza, tuberculosis) can be inhaled and cause infection.
B. Ingestion of an infectious pathogen
Infections like salmonella or norovirus are spread through contaminated food or water.
C. Contact with infected body fluids
Bloodborne pathogens like HIV and hepatitis B/C are spread via contact with infected fluids.
D. A bite by an infected "tiny animal"
Vector-borne transmission includes diseases spread by animals like mosquitoes (e.g., malaria, dengue) or ticks (e.g., Lyme disease).
E. Transmission of a defective gene from parent to child
This describes a genetic disorder, not an infectious disease.
Correct Answer is A
Explanation
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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