The ability of a specific tissue or organ to respond to the presence of a hormone is dependent on.
the location of the tissue or organ with respect to the circulatory path.
the membrane potential of the cells of the target organ.
the presence of the appropriate receptors on the cells of the target tissue or organ.
Nothing, all hormones of the human body are able to stimulate any and all cell types because hormones are powerful and nonspecific.
The Correct Answer is C
a) The location of the tissue or organ with respect to the circulatory path: Hormones are carried through the entire bloodstream, so all tissues are exposed. Proximity doesn’t determine responsiveness.
b) The membrane potential of the cells of the target organ: Membrane potential may affect nerve impulse conduction, but not hormone specificity.
c) the presence of the appropriate receptors on the cells of the target tissue or organ: Hormones act only on target cells that express specific receptors for them. No receptor = no response.
d) All hormones stimulate any and all cell types because hormones are powerful and nonspecific: Hormones are highly specific and only act on cells with matching receptors.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
a) The anterior pituitary produces testosterone from cholesterol and releases it when releasing hormones arrive from the hypothalamus.
Testosterone is produced in the testes, not the anterior pituitary.
b) The hypothalamus produces ADH and oxytocin which are stored in the posterior pituitary.
ADH and oxytocin are synthesized in the hypothalamus and then transported to and stored in the posterior pituitary until needed.
c) The posterior pituitary contains autonomic centers that exert neural control over the adrenal glands.
The hypothalamus, not the posterior pituitary, regulates the adrenal medulla via neural signals.
d) The thalamus produces ADH and oxytocin which are stored in the anterior pituitary.
The thalamus is a relay station for sensory signals, not a hormone-producing structure.
Correct Answer is B
Explanation
a) Thalamus: Relay center for sensory signals, not involved in hormone secretion.
b) Hypothalamus: Releases releasing and inhibiting hormones (e.g., TRH, GnRH, CRH) that regulate the anterior pituitary's activity.
c) Basal ganglia: Involved in motor control, not endocrine regulation.
d) Spinal cord: Transmits nerve signals; no role in endocrine control of the pituitary.
e) Hippocampus:Acrucial brain structure involved inmemory formation, spatial navigation, and emotional regulation.
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