What is the primary function of the scrotum in the male reproductive system?
Regulating body temperature of the testes
Storing urine
Producing sperm
Carrying sperm to the urethra
The Correct Answer is A
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.
Nursing Test Bank
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Related Questions
Correct Answer is A
Explanation
A. Nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, alveoli: This correctly lists the anatomical pathway air follows from entry to the gas-exchange sites.
B. Nasal cavity, pharynx, trachea, larynx, bronchi, bronchioles, alveoli: This places the trachea before the larynx (incorrect order); the larynx is between the pharynx and trachea.
C. Nasal cavity, pharynx, larynx, trachea, bronchioles, bronchi, alveoli: This incorrectly reverses bronchioles and bronchi -bronchi branch into bronchioles, not the other way around.
D. Nasal cavity, larynx, pharynx, trachea, bronchi, bronchioles, alveoli: This places the larynx before the pharynx (incorrect); air passes through the pharynx first then the larynx.
Correct Answer is ["B","C","D","E"]
Explanation
A. Pepsin:Pepsin is an active protease produced in the stomach (from pepsinogen) -not a pancreatic secretion.
B. Sodium bicarbonate:The pancreas secretes bicarbonate-rich fluid to neutralize acidic chyme in the duodenum -pancreatic secretion .
C. Amylase: Pancreatic amylase digests starches into sugars in the small intestine -pancreatic secretion .
D. Nuclease:The pancreas secretes nucleases (e.g., deoxyribonuclease, ribonuclease) to digest nucleic acids -pancreatic secretion .
E. Lipase:Pancreatic lipase hydrolyzes triglycerides into free fatty acids and monoglycerides -pancreatic secretion .
F. Pepsinogen:Pepsinogen is secreted by chief cells in the stomach, not by the pancreas -not a pancreatic secretion.
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