How does the endocrine system primarily differ from the nervous system in terms of communication?
The endocrine system is responsible for voluntary actions.
Both systems use the same chemical messengers.
The endocrine system is faster than the nervous system.
The endocrine system uses hormones, while the nervous system uses electrical impulses.
The Correct Answer is D
A. The endocrine system is responsible for voluntary actions: Voluntary actions, such as skeletal muscle movement, are controlled by the somatic nervous system, not the endocrine system.
B. Both systems use the same chemical messengers: The nervous and endocrine systems use different primary messengers—neurotransmitters for neurons and hormones for endocrine glands—although some overlap exists (e.g., norepinephrine).
C. The endocrine system is faster than the nervous system: The endocrine system typically acts more slowly because hormones travel through the bloodstream, while the nervous system acts rapidly via electrical impulses.
D. The endocrine system uses hormones, while the nervous system uses electrical impulses: The endocrine system relies on hormones carried by the blood for communication, whereas the nervous system transmits information via electrical impulses along neurons for immediate responses.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Leukocytes:Leukocytes (white blood cells) are involved in immune defense, not oxygen transport.
B. Platelets:Platelets mediate clotting and do not transport oxygen.
C. Hemoglobin:Hemoglobin, the oxygen-carrying protein within red blood cells, binds oxygen in the lungs and transports it to tissues.
D. Plasma:Plasma is the liquid portion of blood that carries nutrients and dissolved gases but oxygen is primarily carried bound to hemoglobin in red blood cells.
Correct Answer is B
Explanation
A. Monocytes:Monocytes differentiate into macrophages and dendritic cells that perform phagocytosis and antigen presentation but do not produce antibodies.
B. Neutrophils:Neutrophils are short-lived phagocytic cells that ingest and destroy pathogens; they do not produce antibodies.
C. B lymphocytes:B lymphocytes (B cells) differentiate into plasma cells that secrete antibodies specific to antigens, making them the primary source of antibody production.
D. T lymphocytes:T lymphocytes are involved in cell-mediated immunity, regulating immune responses and directly killing infected cells but not in producing antibodies.
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