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 C
Explanation
A. Is secreted by all lymph nodes:
Thymosin is not produced by lymph nodes; it is secreted by the thymus gland.
B. Is the fluid within the lymph nodes:
Lymph fluid circulates within lymph nodes, not thymosin.
C. Is a hormone:
Thymosin is a hormone secreted by the thymus that plays a role in the development and differentiation of T lymphocytes.
D. Plays no known role:
Thymosin has an important role in immune system development.
Correct Answer is A
Explanation
A. A disease-producing microorganism:
A pathogen is defined as a microorganism (such as bacteria, virus, fungus, or parasite) that causes disease.
B. The direction, or course, in which the disease progresses:
This describes the pathogenesis of a disease, not a pathogen.
C. A carcinogenic bacteria:
Not all pathogens are carcinogenic. Some may be, but the term "pathogen" simply refers to any disease-causing agent.
D. The generic name for various diseases:
A pathogen is not a name for diseases themselves but for the microorganisms that cause them.
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