Nokea
What causes the changes in appearance seen in boys at the time of puberty?
- A. Prolactin
- B. Adrenaline
- C. Estrogen
- D. Testosterone
Correct Answer: D
Rationale: During puberty, boys experience physical changes such as growth of facial and body hair, deepening of the voice, and muscle development. These changes are primarily driven by the hormone testosterone. Testosterone is responsible for the development of male secondary sexual characteristics. Therefore, the correct answer is testosterone. Choices A, B, and C are incorrect because prolactin, adrenaline, and estrogen do not play a significant role in the development of male secondary sexual characteristics during puberty.
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What does Bidder's canal receive?
- A. Eggs
- B. Sperms
- C. Ammonia
- D. Oxygenated blood
Correct Answer: B
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Which of the following is an example of a viviparous animal?
- A. Goat
- B. Duck
- C. Crocodile
- D. None of the above
Correct Answer: A
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
What is a cord inserted to the very edge of the placenta known as?
- A. Battledore insertion
- B. Placenta velamentosa
- C. Placenta accreta
- D. Vasa Praevia
Correct Answer: A
Rationale: A cord inserted to the very edge of the placenta is known as battledore insertion. This occurs when the cord is attached to the fetal membranes at the placental margin rather than directly to the placental tissue. Placenta velamentosa refers to the condition where the umbilical cord inserts into the fetal membranes before it reaches the placenta. Placenta accreta is a condition where the placenta attaches too deeply into the uterine wall. Vasa Praevia is a condition where fetal blood vessels run across or near the internal cervical opening.
The menstrual disorder in which there is an absence or suppression of the normal menstrual period is called:
- A. Dysmenorrhoea
- B. Polymenorrhoea
- C. Menorrhagia
- D. Amenorrhoea
Correct Answer: D
Rationale: Amenorrhoea is the correct term for the absence or suppression of the menstrual period. Dysmenorrhoea refers to painful menstruation, Polymenorrhoea is characterized by frequent, short menstrual cycles, and Menorrhagia is excessive menstrual bleeding. Therefore, 'Amenorrhoea' is the most appropriate term for the described menstrual disorder.
Which female reproductive organ is positioned directly posterior to the bladder?
- A. Uterine tube
- B. Vagina
- C. Uterus
- D. Ovaries
Correct Answer: C
Rationale: The correct answer is the uterus. The uterus is positioned directly posterior to the bladder in the female reproductive system. The uterine tube (choice A) is also known as the fallopian tube, which is not positioned directly posterior to the bladder. The vagina (choice B) is located below the uterus and not directly posterior to the bladder. The ovaries (choice D) are located on either side of the uterus, but they are not positioned directly posterior to the bladder.