Which gland secretes melatonin and is regulated by the body's biological rhythm?
Adrenal gland
Pineal gland
Pituitary gland
Pancreas
The Correct Answer is B
A. Adrenal gland: Produces cortisol and adrenaline; not melatonin.
B. Pineal gland: Secretes melatonin; controls circadian rhythms.
C. Pituitary gland: Master gland; does not secrete melatonin.
D. Pancreas: Produces insulin and glucagon; unrelated to sleep regulation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Urethra:
The urethra is the passageway for urine and semen but not where sperm matures.
B. Vas deferens:
The vas deferens transports mature sperm but does not play a role in maturation.
C. Ejaculatory ducts:
These ducts conduct sperm to the urethra but do not aid in maturation.
D. Epididymis:
The epididymis is the site where sperm mature and are stored.
Correct Answer is D
Explanation
A. Cystitis: Cystitis is bladder inflammation and is not related to erythropoietin.
B. Oliguria: Oliguria (low urine output) is a sign of kidney dysfunction but not specifically caused by low erythropoietin.
C. Albuminuria: Albuminuria refers to protein in urine, typically due to kidney damage, not erythropoietin deficiency.
D. Anemia: Erythropoietin is a hormone that stimulates red blood cell production. A deficiency results in anemia.
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