Nokea
The most common neonatal bacterial infection is
- A. Staphylococcus aureus
- B. Pseudomonas aeruginosa
- C. Group B Streptococcus
Correct Answer: C
Rationale: Group B Streptococcus is a frequent cause of early-oncome neonatal infections.
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Mammary glands are considered accessory organs of the female reproductive system.
- A. TRUE
- B. FALSE
- C. NA
- D. NA
Correct Answer: A
Rationale: Mammary glands are indeed considered accessory organs of the female reproductive system.
Vitamin K is administered to newborn infants to prevent
- A. bleeding
- B. neonatal jaundice
- C. gonococcal conjunctivitis
Correct Answer: A
Rationale: Vitamin K is essential for blood clotting, and its administration prevents bleeding in newborns who are deficient.
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.
Human milk can be kept frozen in the freezer section of a side-by-side refrigerator-freezer for
- A. 2 weeks
- B. 3 to 4 months
- C. 6 months
Correct Answer: B
Rationale: Properly stored frozen human milk remains safe and nutritious for several months.
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.