Question

All the questions please

your final answers to the Scantron Answer Sheet. 1. Which of the following processes are required for pregnancy and takes place in the first eight gestational days or less A. ovulation B. fertilization C. implantation D. all of the above E. choice A and B 2. The embryonic period initially starts in the first gestational week A. true B. false 3. Blood pregnancy test or human chorionic gonadotropin is positive in the 2nd gestational week A. true B. false 4. Birth control pills can block which of the following processes A. ovulation B. fertilization C. implantation D. all of the above E. none of the above When the sperm nucleus binds with the nucleus of the ovum immediately after it exits the ovary, you have an abdominal zygote which is incompatible wit A true B. false 5. h a successful pregnancy Release of estrogen and progesterone is a function of FSH and LH A. true B. false 6. 7. The vaginal tract is alkaline A true B. false Normal levels of ejaculate fluid contains which of the following A prostaglandin B. glucose c. 70 million spermatozoa D. all of the above E. none of the above 8.

Answer 1

1. E) The processes required for pregnancy and takes place in the first eight gestational days or less are :-

- ovulation is the discharge of ovum from the ovaries

- fertilization is the union of male and female gametes to form the zygote .

2. B) False ,the embryonic period in humans begins at fertilization and continues until the end of 10th week of gestation.

3) A) True , blood pregnancy test or hCG test is positive in the 2nd gestational week. Low levels of hCG may be detected in your blood within about 7 days of pregnancy .

4)D) Birth control pills block the following processes :-

- ovulation

- fertilization

- implantation

Birth control pills work by the following methods :-

- stops ovulation.

- thins uterine lining and hence prevents implantation.

- thickens cervical mucous and makes it difficult for the sperms to swing into the uterus and reach ovum and prevents fertilization.