science q3
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- Q1
Sperm cells are sensitive to temperature which is why the testes are located outside the abdominal cavity and enclosed in a scrotum. At what temperature the sperm cells are likely to divide?
37⁰ C, same as normal body temperature
3⁰ C lower than 37⁰ C
5⁰ lower than 37⁰
3⁰ C higher than 37⁰ C
30s - Q2
Which sequence of the organs correctly traces the path of the sperm from the beginning of sperm production until the sperm leaves the body?
30s - Q3
What do you call the male sex hormone responsible for the production of sperm and the development of the males’ secondary sex characteristics?
Estrogen
Progesterone
Testosterone
Inhibin
30s - Q4
In what structure inside the ovary do egg cells form and mature?
Cilia
Sertoli cell
Follicle
Leydig cells
30s - Q5
In what part of the female reproductive system must a sperm cell and an egg cell meet for normal fertilization to take place?
Uterus
Fallopian tube
Ovary
Vagina
30s - Q6
What hormone causes the follicle to break and causes the egg cell to move out from the ovary?
Inhibin
Follicle-stimulating hormone
Luteinizing hormone
Estrogen
30s - Q7
After ovulation, the follicle undergoes physical changes forming into ________________
embryo
hormone
corpus luteum
egg cell
30s - Q8
Which hormone plays an important role in gamete formation and secretion of sex hormones?
LH and FSH
Inhibin and Activin
GnRH only
GnRH and FSH
30s - Q9
In what part of the ovary is estrogen produced and secreted?
Sertoli cells
Leydig cells
Follicle cells
Corpus luteum
30s - Q10
What part of the testes is testosterone produced and secreted?
Sertoli cells
Leydig cells
corpus luteum
follicle cells
30s - Q11
At which stage of the uterine cycle does the menstrual phase occur?
Days 1-5
Days 14-28
Days 6-14
Day 14
30s - Q12
Which of the following statements about hormone regulation of the female reproductive cycle is false?
Secretion of FSH by the pituitary gland is inhibited by high levels of estradiol but stimulated by low levels of estradiol.
Estradiol and progesterone secreted from the corpus luteum cause the endometrium to thicken.
LH and FSH are produced in the pituitary, and estradiol and progesterone are produced in the ovaries.
Both progesterone and estradiol are produced by the follicles.
30s - Q13
The secretory phase in the human menstrual cycle is also called ____________.
luteal phase and lasts for about 6 days
follicular phase and lasts for about 6 days
luteal phase and lasts for about 13 days
follicular phase and lasts for about 13 days
30s - Q14
During which phase of the ovarian cycle are progesterone levels the highest?
Corpus albicans phase
Luteal phase
Menstrual phase
Follicular phase
30s - Q15
When does ovulation occur during the typical 28-day ovarian cycle?
Day 8
Day 5
Day 14
Day 20
30s
