Which of the following is true of the process of meiosis?
Reduces the chromosome number from 46 to 23
Occurs in every cell in the body except the egg cell and sperm cell
Occurs in the ovum but not the sperm
creases the chromosome number from 23 to 46
The Correct Answer is A
A. Reduces the chromosome number from 46 to 23: Meiosis produces gametes (egg and sperm) with half the genetic material.
B. Occurs in every cell in the body except the egg cell and sperm cell: That describes mitosis.
C. Occurs in the ovum but not the sperm: Meiosis occurs in both egg and sperm cells.
D. Increases the chromosome number from 23 to 46: That happens at fertilization, not during meiosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Is stimulated by darkness: Melatonin is stimulated by darkness; GH may have a circadian rhythm but is not specifically triggered by darkness.
B. Is stimulated by low levels of calcium: Low calcium levels stimulate parathyroid hormone (PTH), not GH.
C. Is secreted by the kidneys: GH is secreted by the anterior pituitary, not the kidneys.
D. Stimulates growth: GH promotes growth of bones, muscles, and tissues.
Correct Answer is B
Explanation
A. Ovulation: Ovulation is the release of an egg from the ovary.
B. Ectopic pregnancy: Implantation of a fertilized egg outside the uterus, commonly in the fallopian tube.
C. Menarche: Menarche is the first menstrual period.
D. Menses: Menses is the shedding of the uterine lining during menstruation.
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