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. Amniocentesis, a prenatal diagnostic test used to determine fetal sex, genetic anomalies, and biochemical abnormalities, is based on:

• A. The karyotyping of the amniotic fluid
• B. Chorionic villus sampling
• C. Umbilical cord blood sampling
• D. Ultrasound

Correct answer: A

Rationale: The correct answer is A. Amniocentesis involves the analysis of the fetal cells present in the amniotic fluid, which is extracted from the amniotic sac surrounding the developing fetus. This fluid contains cells shed by the fetus, which can be cultured and analyzed to obtain a karyotype, providing information about the fetal sex, genetic anomalies, and biochemical abnormalities. Choices B, C, and D are incorrect because chorionic villus sampling involves obtaining a sample of the chorionic villi from the placenta, not the amniotic fluid; umbilical cord blood sampling is typically used for other purposes like assessing the baby's blood for infections or genetic disorders; and ultrasound is a diagnostic imaging technique that does not involve the analysis of fetal cells for genetic information.

3. 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.

4. Which of the following are signs and symptoms of vaginitis EXCEPT?

• A. Vaginal itching and irritation
• B. Heavy vaginal bleeding
• C. Pain during coitus
• D. Painful urination

Correct answer: B

Rationale: Vaginitis is characterized by symptoms such as vaginal itching, irritation, pain during coitus, and painful urination. However, heavy vaginal bleeding is not typically associated with vaginitis. Vaginal bleeding could be indicative of other conditions like cervical or endometrial issues, but it is not a common symptom of vaginitis.

5. In which part of the fallopian tube is tubal abortion most common?

• A. Ampullary portion
• B. Isthmus
• C. Interstitial portion
• D. Infundibulum

Correct answer: C

Rationale: Tubal abortion is most common when the ovum implants in the interstitial portion of the fallopian tube. This location is the narrowest part of the tube, making it more prone to obstruction or difficulty in the passage of the fertilized ovum. Choices A, B, and D are incorrect because tubal abortion is more likely to occur in the interstitial portion rather than the ampullary portion, isthmus, or infundibulum of the fallopian tube.

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