Fluid intake is governed mainly by hypothalamic neurons called
baroreceptors
proprioceptors
nociceptors
osmoreceptors
Mechanoreceptors
The Correct Answer is D
A. Baroreceptors: Sense blood pressure changes, not osmolarity or thirst.
B. Proprioceptors: Detect body position and movement; unrelated to fluid balance.
C. Nociceptors: Detect pain; not involved in fluid regulation.
D. Osmoreceptors: Located in the hypothalamus, they detect changes in blood osmolarity and stimulate thirst when osmolarity rises.
E. Mechanoreceptors: Respond to mechanical changes like pressure or stretch, not osmolarity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is E
Explanation
A. The production of nitrogenous wastes: Refers to metabolism, not elimination.
B. Glomerular filtration: An early step in urine formation, but not the act of urinating itself.
C. The countercurrent multiplier process: A mechanism in the nephron loop that concentrates urine, not related to urination.
D. Inflammation of the urinary bladder: Describes cystitis, not micturition.
E. The elimination of urine: Micturition is the process of expelling urine from the bladder through the urethra.
Correct Answer is B
Explanation
A. The chemical properties of the hormone:
Chemical properties determine solubility and transport but do not alone determine cellular response.
B. The presence of a receptor for that particular hormone:
A hormone exerts its effects only on cells that express specific receptors for that hormone.
C. The location of the gland that secretes the hormone:
Hormones are typically secreted into the bloodstream and can act at distant sites; gland location does not determine target cell responsiveness.
D. The location of the target cells in the body:
Location doesn’t matter unless the cells have the appropriate receptors.
E. The site where the hormone is secreted:
The site of secretion is irrelevant to whether a target cell can respond; it must have the receptor.
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