Which statement accurately characterizes the primary role of the human reproductive system?
It coordinates sensory perception and integration.
It synthesizes hormones for energy metabolism.
It ensures the continuation of the species.
It regulates fluid balance within the body.
The Correct Answer is C
A. It coordinates sensory perception and integration: That is the primary role of the nervous system (sensory integration, not reproduction).
B. It synthesizes hormones for energy metabolism: Endocrine organs (e.g., thyroid, pancreas) are chiefly responsible for metabolic hormone synthesis; while reproductive organs produce sex hormones, their primary system role is reproduction.
C. It ensures the continuation of the species: The main biological function of the reproductive system is to produce gametes and enable fertilization and development, ensuring species propagation.
D. It regulates fluid balance within the body: Fluid/electrolyte balance is primarily regulated by the renal and endocrine systems (kidneys, ADH, aldosterone).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Expiratory reserve volume: Expiratory reserve volume is the additional air that can be forcefully exhaled after a normal exhalation, not the maximum after a maximal inhalation.
B. Inspiratory capacity: Inspiratory capacity is the maximum amount of air that can be inhaled after a normal exhalation (tidal volume + inspiratory reserve), not the total that can be expelled after maximum inspiration.
C. Vital capacity: Vital capacity is the maximum volume of air that can be expelled from the lungs after a maximum inspiration (inspiratory reserve + tidal + expiratory reserve) .
D. Tidal volume: Tidal volume is the volume of a normal, resting breath and is far less than the maximum expelled volume.
Correct Answer is B
Explanation
A. Calyx, nephron, collecting duct, urinary bladder, renal pelvis, ureter, urethra: Sequence is wrong -filtrate is formed in nephron, flows into collecting duct, then into calyx → renal pelvis → ureter → bladder → urethra.
B. Nephron, collecting duct, calyx, renal pelvis, ureter, urinary bladder, urethra: Urine forms in nephron → drains into collecting duct → minor/major calyces → renal pelvis → ureter → urinary bladder → urethra for elimination.
C. Nephron, renal pelvis, collecting duct, calyx, urinary bladder, urethra, ureter:Renal pelvis and calyx order is swapped relative to collecting duct; ureter/bladder order is wrong.
D. Collecting duct, nephron, renal pelvis, calyx, urinary bladder, ureter, urethra:Collecting duct follows the nephron (not precedes it); calyx and pelvis ordering is
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