Q. No.Puberty in females is delayed who are:
1. active and have high body fat
2. active and have low body fat
3. sedentary and with high body fat
4. sedentary with low body fat
Identify the correctly matched pair:
| 1. | cryptorchidism: failure of testes to descend into the scrotum |
| 2. | semen: largest contributor is prostate |
| 3. | puberty: stage of development before the reproductive organs become functional |
| 4. | primordial follicle: the first stage of meiosis for oogenesis |
An unpaired human male accessory gland/duct is:
1. seminal vesicle
2. vas deferens
3. bulbourethral gland
4. prostate gland
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The secretion of paired seminal vesicles include:
1. sperm cells.
2. acidic plasma.
3. fructose-rich fluid.
4. androgens
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Cremaster muscle:
1. elevates the testes during exposure to cold.
2. surrounds testes on all sides.
3. plays no role in thermoregulation.
4. pushes sperms into the rete testes.
Sperm-producing cells have unique antigens yet they are not attacked by the immune cells because of:
| 1. | antigens are recognized as self-antigens. |
| 2. | acrosome at the tip. |
| 3. | protection by the blood-testis barrier. |
| 4. | inhibitors attached on the surface. |
Spermatic cord does not include:
1. testicular artery.
2. lymphatic vessels.
3. ductus deferens.
4. ejaculatory duct.
Cryptorchidism may lead to sterility due to:
1. relatively high internal body temperature.
2. excessive production of estrogen.
3. lack of testosterone.
4. non-function of the SRY gene.
In males, the secondary sexual characters develop in response to:
1. ICSH
2. FSH
3. testosterone
4. gonadotropin-releasing hormone
In males, FSH:
1. inhibits progesterone.
2. initiates testosterone production.
3. increases protein synthesis.
4. increase spermatogenesis.
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