Letter C indicates what part of the nephron?
Loop of Henle
Proximal Convoluted Tubule
Bowman's Capsule
Glomerulus
Collecting Duct
The Correct Answer is C
A. Loop of Henle: The Loop of Henle is the U-shaped segment of the nephron that extends into the medulla and concentrates urine.
B. Proximal Convoluted Tubule: The PCT is the first convoluted segment after Bowman's capsule and is responsible for bulk reabsorption of solutes and water.
C. Bowman's Capsule: Bowman's capsule is the double-walled cup that surrounds the glomerular capillary tuft and collects filtrate.
D. Glomerulus: The glomerulus is the capillary tuft inside Bowman's capsule that performs plasma filtration.
E. Collecting Duct: The collecting duct collects filtrate from multiple nephrons and participates in final water/solute adjustments.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Regulating body temperature of the testes:Correct -the scrotum suspends the testes and adjusts their position to keep testicular temperature slightly below core body temperature, which is necessary for optimal sperm production.
B. Storing urine:Incorrect -urine is stored in the urinary bladder, not in the scrotum.
C. Producing sperm: Incorrect -sperm are produced in the seminiferous tubules inside the testes; the scrotum is a protective/powerful thermoregulatory sac, not the sperm-producing tissue.
D. Carrying sperm to the urethra: Incorrect -ducts such as the vas (ductus) deferens carry sperm toward the urethra; the scrotum does not transport sperm.
Correct Answer is B
Explanation
A. Muscularis externa, submucosa, mucosa, serosa: This is out of order -muscularis externa is deeper than serosa but more superficial than the mucosa, so this ordering is incorrect.
B. Mucosa, submucosa, muscularis externa, serosa: The mucosa (deepest layer lining the lumen) → submucosa → muscularis externa → serosa (outermost)is the correct sequence from deep to superficial .
C. Serosa, muscularis externa, submucosa, mucosa: This lists the layers from superficial to deep (reverse of what the question asked), so incorrect for deep to superficial.
D. Submucosa, mucosa, muscularis externa, serosa: This places submucosa deeper than mucosa (wrong); incorrect order.
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