Which of the following ways cannot prevent or reduce the chance of contracting sexually transmitted diseases? A. Avoid having sexB. Withdrawal during intercourseC. Using a condom
Which factor is the major contribution to the enlargement of breasts during pregnancy? A. Deposition of milkB. Deposition of fatC. Under stimuli of hormones
How many pairs of chromosomes are there in a cell of man? A. 13B. 20C. 23
Why is it impossible for a young girl to be conceived? A. She does not possess any ovumB. Her ova are impermeable to spermsC. She can actually be conceived
In which of the following assisted reproductive technology , fertilization is in vivo? A. IUIB. ICSIC. ZIFT
Which of the following is not the purpose of courtship? A. To attract the opposite sexB. To prepare the body for copulationC. To stimulate the production of gametes
Which of the following patient is NOT a suitable candidate for GIFT treatment assuming that their husbands do not have any fertility problem? A. A woman with unexplained fertilityB. A woman with both of her fallopian tubes damagedC. A woman over 40
Milk is secreted by a female by which structure? A. Mammary glandB. NippleC. Ovary
What is the major use of a spermicide? A. To act as a lubricantB. To immobilize spermsC. To make the ovum less permeable to sperms
What can be the cause of having a less healthy child for an aged woman? A. The ovum is at a worse condition as it is older than that of a young womanB. The mechanism of nutrient supply to the fetus is less efficientC. The genes that the mother pass onto the fetus are worse