Which of the following sequences correctly represents the flow of urine from its formation to its elimination from the body?
Calyx, nephron, collecting duct, urinary bladder, renal pelvis, ureter, urethra
Nephron, collecting duct, calyx, renal pelvis, ureter, urinary bladder, urethra
Nephron, renal pelvis, collecting duct, calyx, urinary bladder, urethra, ureter
Collecting duct, nephron, renal pelvis, calyx, urinary bladder, ureter, urethra
The Correct Answer is B
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
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. 70–80%:This range is typical for newborns/infants, not average adults.
B. 10–20%:Far too low -corresponds to extreme dehydration or measurement error; not normal.
C. 30–40%:Lower than typical adult values; may be seen in elderly people with high fat mass.
D. 50–60%:Average adult total body water is roughly 50–60% of body weight (higher in lean males, lower in females/older adults).
Correct Answer is ["A","B","C","E"]
Explanation
A. Vocal cords: The vocal cords (vocal folds) are mucosal folds that lie within the larynx and produce sound when they vibrate
B. Thyroid cartilage: The thyroid cartilage is the largest laryngeal cartilage (forms the “Adam’s apple”) and provides structural support to the larynx
C. Cricoid cartilage: The cricoid cartilage is a complete ring of cartilage inferior to the thyroid cartilage that forms part of the laryngeal skeleton
D. Laryngopharynx: The laryngopharynx is the lower part of the pharynx (shared passageway for food and air) that lies posterior to the larynx; it is pharyngeal tissue, not a structural component of the larynx itself
E. Epiglottis:The epiglottis is a flap of elastic cartilage attached to the entrance of the larynx that prevents aspiration during swallowing
F. C-rings: “C-rings” typically refer to the incomplete C-shaped cartilaginous rings of the trachea, not the larynx
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