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 D
Explanation
A. Carbon dioxide diffuses out of the blood: This describes external respiration in the lungs.
B. Oxygen binds with the hemoglobin: This happens in the lungs during external respiration.
C. Carbon dioxide dissociates from the hemoglobin: This occurs during external respiration when carbon dioxide is released into the lungs.
D. Oxygen diffuses out of the blood: Internal respiration refers to the exchange of gases between the blood and tissues, where oxygen diffuses out of the blood into the tissues for cellular use.
Correct Answer is D
Explanation
A. Liver: The liver plays a role in detoxification and metabolism but is not involved in lymphocyte production.
B. Stomach: The stomach is part of the digestive system, not the immune system.
C. Small Intestine: The small intestine is involved in nutrient absorption and contains some lymphoid tissue (Peyer's patches) but is not the main site of lymphocyte production.
D. Thymus: The thymus is the organ where T-lymphocytes mature and are essential for the immune response.
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