What is one of the MAIN functions of the lymphatic system?
Movement of blood through the body
Decreases the spread of disease
Control hormone levels
Control electrolyte levels
The Correct Answer is B
A. Movement of blood through the body:
This is the function of the cardiovascular system, not the lymphatic system.
B. Decreases the spread of disease:
The lymphatic system helps trap and destroy pathogens through lymph nodes and the immune response, reducing the spread of infection.
C. Control hormone levels:
Hormone levels are regulated by the endocrine system.
D. Control electrolyte levels:
Electrolyte balance is primarily maintained by the kidneys and endocrine organs like the adrenal glands.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Infections:
Infections in older adults are often due to immune suppression, not directly from autoantibodies.
B. Cancer:
While aging does increase cancer risk, autoantibodies do not directly cause cancer.
C. Allergic reaction:
Allergies involve hypersensitivity reactions to external antigens, not the body's own cells.
D. Autoimmune disease:
Autoantibodies target the body's own tissues, leading to autoimmune diseases such as rheumatoid arthritis or lupus, which are more common in older adults.
Correct Answer is A
Explanation
A. Anaphylaxis (hypersensitivity reaction)
Anaphylaxis is a life-threatening allergic reaction involving airway constriction, drop in blood pressure, and widespread inflammation.
B. Immunosuppression
Immunosuppression is a reduced immune response, not a hypersensitivity reaction.
C. Immunocompetence
This is the normal functioning of the immune system, not a reaction.
D. Autoimmunity
Autoimmunity is when the body attacks its own tissues, not an allergic reaction.
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