Nokea
Which piece of the usual equipment setup for a pelvic examination is omitted with a Pap test?
- A. Lubricant
- B. Speculum
- C. Fixative agent
- D. Gloves and eye protectors
Correct Answer: A
Rationale: The correct answer is A: Lubricant. During a Pap test, lubricant should not be used as it can interfere with the cytology sample collection. The speculum is needed to visualize the cervix, the fixative agent is used to preserve the sample, and gloves and eye protectors are essential for safety. Omitting lubricant ensures accurate sample collection for Pap testing, making it the correct choice.
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The dark red uterine discharge expelled in the first 2-3 days postpartum is
- A. lochia rubra
- B. lochia serosa
- C. lochia alba
Correct Answer: A
Rationale: Lochia rubra is the dark red uterine discharge that occurs in the first few days postpartum, consisting mainly of blood and uterine tissue.
Treatment of engorgement in the breastfeeding mother includes
- A. application of warm compresses before breastfeeding
- B. less frequent breastfeeding
- C. antibiotics and cold therapy
Correct Answer: A
Rationale: Warm compresses and frequent breastfeeding help relieve engorgement by promoting milk flow.
The primary purpose of the cremaster muscle is to:
- A. Eject milk into the lactiferous ducts of the breasts.
- B. Maintain the uterus in an anteflexed position.
- C. Keep the testes cooler than the rest of the body.
- D. Expel seminal fluids to nourish sperm at ejaculation.
Correct Answer: C
Rationale: The cremaster muscle adjusts the position of the testes to regulate their temperature for optimal sperm production.
The main commissural fiber in the brain is:
- A. Corpus callosum
- B. Anterior commissure
- C. Posterior commissure
- D. Hippocampal commissure
Correct Answer: A
Rationale: The correct answer is A: Corpus callosum. The corpus callosum is the main commissural fiber in the brain that connects the two cerebral hemispheres, allowing for communication and coordination between them. It is the largest and most prominent commissural fiber in the brain, making it the correct choice.
Summary of why other choices are incorrect:
B: Anterior commissure - Connects certain regions of the cerebral hemispheres, but not as prominent or as large as the corpus callosum.
C: Posterior commissure - Connects certain structures in the brainstem, not the cerebral hemispheres.
D: Hippocampal commissure - Connects the two hippocampi, not the cerebral hemispheres.
If a quad screen shows high AFP, and normal hCG, uE3 and INH-A, this indicates
- A. neural tube defect
- B. trisomy 21
- C. multiple gestation
Correct Answer: A
Rationale: Elevated AFP suggests open neural tube defects or abdominal wall defects.