Which function of a sperm would be eliminated if a sperm lacked an acrosome?
Fully mature and leave the epididymis
Travel through the male reproductive ducts
Develop a full set of chromosomes
Breach end fertilize the ovum
The Correct Answer is D
A. Fully mature and leave the epididymis: The acrosome does not play a role in sperm maturation or their release from the epididymis.
B. Travel through the male reproductive ducts: Movement through the reproductive ducts relies on the sperm's flagellum and muscle contractions, not the acrosome.
C. Develop a full set of chromosomes: Chromosome development occurs during spermatogenesis and is unrelated to the acrosome.
D. Breach and fertilize the ovum: The acrosome contains enzymes that allow the sperm to penetrate the ovum during fertilization. Without an acrosome, the sperm would be unable to breach the egg’s outer layer.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Reabsorption of potassium ions: Potassium reabsorption occurs in the nephron, not in the bladder.
B. Secretion of hormones: The bladder does not secrete hormones; its primary function is to store urine.
C. Storage of urine: The bladder is responsible for storing urine before it is excreted from the body.
D. Filtration of urine: Filtration occurs in the kidneys, specifically in the glomerulus, not in the bladder.
Correct Answer is C, A, D, B
Explanation
- Deoxygenated blood from the body enters the right atrium, passes through the tricuspid valve into the right ventricle.
- From the right ventricle, blood moves through the pulmonary valve into the pulmonary arteries and goes to the lungs for oxygenation.
- Oxygenated blood returns to the left atrium and passes through the bicuspid (mitral) valve into the left ventricle.
- Finally, the left ventricle pumps oxygenated blood through the aortic valve into the aorta for distribution to the body.
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