A vaccine:
Gives active artificial immunity
Is a gamma globulin
Contains antibodies
Gives active natural immunity
The Correct Answer is A
A. Gives active artificial immunity
Vaccines stimulate the body’s immune system to produce antibodies and memory cells, creating active immunity artificially.
B. Is a gamma globulin
Gamma globulin is a preparation of antibodies used for passive immunity, not a vaccine.
C. Contains antibodies
Vaccines usually contain antigens (weakened or inactivated parts of a pathogen), not antibodies.
D. Gives active natural immunity
Active natural immunity is obtained through actual infection, not vaccination.
Nursing Test Bank
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 D
Explanation
A. Cause mycotic infections:
Mycotic (fungal) infections are caused by fungi, not bacteria.
B. Include mold and yeast:
Molds and yeasts are fungi, not bacteria.
C. Are not part of the normal flora of the intestines:
Bacteria are a significant part of the normal intestinal flora (e.g., E. coli, Bacteroides).
D. Include cocci, bacilli, and curved rods:
Bacteria are classified by shape: cocci (spherical), bacilli (rod-shaped), and curved rods (e.g., Vibrio cholerae).
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