All of the following structures are derived from mesoderm except the ____.

1. pancreas

2. dermis of skin

3. notochord

4. heart

Sperm has several components out of which the function of the acrosome is to:

At what point does the secondary oocyte complete meiosis?

1. when acrosomal enzymes begin to break down the egg's jelly coat

2. when the luteinizing hormone triggers ovulation

3 after it is penetrated by a sperm cell

4. when the secondary oocyte implants in the endometrium of the uterus

How do ovulated oocytes get into the uterus?

1. Because ovaries are within the uterus, the ovulated egg is already within the uterus.

2. Cilia within an oviduct create currents that sweep the egg toward the uterus.

3. The oocyte actively swims through the oviduct, using its flagellum.

4. Fimbriae sweep over the oviduct.

Which of the following hormones is not secreted by the human placenta?

1. HCG

2. HGH

3. HPL

4. Progesterone

Which of the following is secreted only during the luteal phase of a menstrual cycle ?

1. LH

2. FSH

3. Estrogen

4. Progesterone

Which of these structures contributes the greatest percentage to semen ?

1. Bulbourethral glands

2. Prostate

3. Seminal vesicles

4. Testes

Which event is incorrectly matched with the time of its occurence [with respect to a 28 days menstrual cycle]?

1. Beginning of the menstrual flow - Day 1

2. Ovulation - Day 14

3. Beginning of the proliferative phase - Day 5

4. Peak  secretion of estrogen - Day 22

Which human male accessory reproductive duct receives a duct from the seminal vesicle?

1. Rete testis

2. Vas deferens

3. Epididymis

4. Urethra

The primary oocyte completes its first meiotic division within the:

1. Primary follicle

2. Secondary follicle

3. Tertiary follicle

4. Graafian follicle