how many autosomes does a human primary spermatocyte have

HESI RN

Reproductive System Exam Quizlet

1. How many autosomes does a human primary spermatocyte have?

A. 34
B. 44
C. 54
D. 33

Correct answer: B

Rationale: A human primary spermatocyte has 44 autosomes. Autosomes are chromosomes that are not involved in determining an individual's sex. In humans, there are a total of 46 chromosomes in a somatic cell, with 22 pairs of autosomes and one pair of sex chromosomes. Therefore, the correct answer is 44 autosomes, making choice B the correct answer. Choices A, C, and D are incorrect as they do not represent the accurate number of autosomes in a human primary spermatocyte.

2. What is the most common cause of abortion in Zambia?

A. Tuberculosis
B. HIV
C. Ascariasis
D. Malaria

Correct answer: D

Rationale: Malaria is the most common cause of abortion in Zambia due to its significant impact on maternal health. Malaria can lead to severe complications during pregnancy, increasing the risk of spontaneous abortion. Tuberculosis (Choice A), HIV (Choice B), and Ascariasis (Choice C) are serious health conditions, but they are not typically identified as the primary cause of abortion in Zambia as malaria.

3. Discuss the anatomical/physiological changes in pregnancy under the following: Uterus

A. The uterus softens in the anterior midline, becomes flexible at the uterocervical junction, blood vasculature increases in size and number, and hypertrophy of myometrial cells occurs.
B. The uterus decreases in size during pregnancy and remains rigid.
C. The uterus size remains unchanged, and no changes occur in the blood vasculature.
D. Uterus becomes more rigid and hypertrophies.

Correct answer: A

Rationale: During pregnancy, the uterus undergoes various anatomical and physiological changes. The correct answer, Choice A, accurately describes these changes. The uterus softens in the anterior midline, becomes flexible at the uterocervical junction, experiences an increase in blood vasculature size and number, and myometrial cells hypertrophy. This softening and increased vascularity are essential for accommodating the growing fetus and facilitating delivery. Choices B, C, and D are incorrect because they do not reflect the typical changes that occur in the uterus during pregnancy. The uterus does not decrease in size, remain unchanged in size, become more rigid, or hypertrophy without the described softening and vascular changes.

4. What is one goal of family planning?

A. Ensuring that all couples and individuals have the basic right to decide freely and responsibly the number and spacing of their children
B. Limiting couples and individuals to one or two children
C. Forcing couples and individuals to have only one child and adopt siblings from an orphanage
D. Providing a permanent method of family planning after having three children

Correct answer: A

Rationale: The correct answer is A. Family planning aims to ensure that all couples and individuals have the basic right to decide freely and responsibly the number and spacing of their children. This promotes reproductive autonomy and allows individuals to make informed choices about their family size. Choices B, C, and D are incorrect because they involve imposing restrictions or decisions on family size rather than empowering individuals to make their own choices.

5. What is Carboprost used for?

A. Affects milk production.
B. Relieve constriction ring.
C. Management of post-partum haemorrhage.
D. Induce labor.

Correct answer: C

Rationale: Carboprost is used in the management of post-partum haemorrhage. This medication helps to reduce excessive bleeding after childbirth. Choices A, B, and D are incorrect. Carboprost does not affect milk production, relieve constriction ring, or induce labor.