Nursing Elites

1. _______ is a lytic enzyme released by the sperm.

• A. Hyaluronidase
• B. Trypsin
• C. Helicase
• D. None of the above

Correct answer: A

Rationale: Hyaluronidase is the correct answer. It is a lytic enzyme released by the sperm to help penetrate the egg's protective layer. Trypsin is a digestive enzyme produced in the pancreas, not released by sperm. Helicase is an enzyme involved in DNA replication, not released by sperm. 'None of the above' is incorrect as hyaluronidase fits the description provided in the question.

2. How can menopause affect health?

• A. Causing conjunctivitis
• B. Leading to colitis or bowel upsets
• C. Increasing the risk of cancer
• D. Triggering urinary infections

Correct answer: D

Rationale: Menopause can lead to changes in the urinary tract, such as decreased estrogen levels, which can increase the likelihood of urinary tract infections. While menopause can impact various aspects of health, including bone density and heart health, it is not directly linked to conjunctivitis, colitis, or an increased risk of cancer. Therefore, the correct answer is D.

3. 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.

4. The _________ is a temporary organ that connects a mammalian mother to its foetus.

• A. Placenta
• B. Chorion
• C. Endometrium
• D. None of the above

Correct answer: A

Rationale: The correct answer is A: Placenta. The placenta is a temporary organ that connects a mammalian mother to its foetus. It plays a crucial role in facilitating the exchange of nutrients, oxygen, and waste between the mother and the developing baby. Choice B, Chorion, is incorrect as it is a part of the fetal membrane but not the organ that connects the mother to the fetus. Choice C, Endometrium, is incorrect as it is the lining of the uterus where implantation occurs but is not the organ responsible for connecting the mother to the fetus. Choice D, None of the above, is incorrect as the placenta specifically fits the description provided in the question.

5. Which of the following is the description of a normal cervix on speculum examination in a non-pregnant woman of reproductive age?

• A. Bright red mucosa surrounding the cervical os, in turn surrounded by smooth, pink mucosa
• B. Pink mucosa with multiple small, fluid-filled protrusions
• C. Pink, glistening, smooth mucosa of the exocervix, with a small round or fish-mouthed cervical os
• D. Smooth, pink mucosa and a small, fleshy protrusion through the cervical os

Correct answer: C

Rationale: The correct description of a normal cervix on speculum examination in a non-pregnant woman of reproductive age is pink, glistening, smooth mucosa of the exocervix, with a small round or fish-mouthed cervical os. This appearance is characteristic of a healthy cervix. Choice A is incorrect as a bright red mucosa is not normal. Choice B is incorrect as multiple small, fluid-filled protrusions suggest a different condition. Choice D is incorrect as a fleshy protrusion through the cervical os is abnormal.

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