High School

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Directions: Read each item carefully. Use a separate sheet for your answers. Write only the letter of the correct answer for each question.

1. The ability to reproduce begins at:
A. adolescence
B. adulthood
C. childhood
D. infancy

2. Menstruation is a sign that a girl is:
A. already menopausal.
B. already pregnant.
C. capable of producing offspring.
D. not capable of reproduction.

3. Menstruation is the discharge of blood from the:
A. fallopian tube
B. ovary
C. uterine wall
D. vagina

4. An egg may be released from the ovary through a process called:
A. Dilation
B. Fertilization
C. Gestation
D. Ovulation

5. What is considered as the ovulation day for a regular menstrual cycle?
A. 1st day
B. 14th day
C. 20th day
D. 28th day

6. Which of the following produces ova and secretes estrogen and progesterone?
A. hypothalamus
B. ovary
C. pituitary
D. uterus

7. Hormones affect various processes in the body as they regulate the activities of organs, tissues, and cells. Which of the following statements is true about female hormones? They:
A. act in very small amounts but estrogen must be dominant.
B. are sometimes released by organs.
C. cause pain and pelvic cramps.
D. trigger headaches.

8. Which hormone thickens the uterine lining (endometrium) in preparation for implantation and inhibits FSH and LH?
A. estrogen
B. FSH
C. LH
D. progesterone

9. Which hormone helps control the menstrual cycle and stimulates the growth of eggs in the ovaries?
A. follicle-stimulating hormone
B. luteinizing hormone
C. progesterone
D. testosterone

10. In the female human reproductive system, fertilization normally occurs in the:
A. cervix
B. fallopian tube
C. uterus
D. vagina

11. Which refers to the "period" which occurs in females if no fertilization takes place?
A. Puberty
B. Menopause
C. Menstruation
D. Ovulation

12. Physiological processes are commonly moderated via two distinct feedback mechanisms—positive and negative feedback. Which of the pairs of events and feedback regulation is incorrect?
A. Childbirth: positive feedback.
B. Lactation: positive feedback.
C. Menstruation: negative feedback.
D. Ovulation: negative feedback.

13. During the first half of the cycle, which feedback mechanism keeps levels of FSH, LH, estrogen, and progesterone relatively stable?
A. combined
B. negative
C. neutral
D. positive

14. Which birth control device is best used for safe sex?
A. abstinence
B. condom
C. IUD
D. pills

15. Menstruation is a monthly occurrence. When will there be menstruation?
A. when the egg is not fertilized by a sperm
B. when the egg is released from the ovary
C. when the egg meets the sperm
D. when the egg reaches the uterus

(Note: The answer key is located on page 19. Evaluate your performance based on the correct answers. If you scored between 12 to 15, well done! If your score is below 12, consider reviewing the relevant lesson parts.)

Answer :

Final answer:

Menstruation signifies reproductive capability in females and occurs when no fertilization happens. It involves shedding of the uterine lining, typically supported by hormonal processes that coordinate the menstrual cycle. Key hormones like progesterone and estrogen play significant roles in regulating these processes.


Explanation:

Understanding Menstruation and the Female Reproductive System

Menstruation is a key aspect of the female reproductive system. It typically signifies that a girl is capable of producing offspring (Question 2: C). Menstruation occurs when the uterine lining is shed because fertilization did not happen, which relates to Question 11 (A). Blood is discharged from the uterine wall through the vagina (Question 3: C, D).

The cycle involves several hormonal changes. An egg is released from the ovary through ovulation (Question 4: D), typically around the 14th day of a regular cycle (Question 5: B). The ovaries, which produce ova and secrete hormones such as estrogen and progesterone, are crucial (Question 6: B). Among hormones, progesterone particularly prepares the uterine lining for implantation (Question 8: D).

The menstrual cycle has different phases depending on fertilization; without fertilization, menstruation occurs due to the shedding of the uterine lining. The uterine cycle consists of a sequence of growth and shedding of the endometrium (Question 9). Importantly, the feedback mechanisms regulate hormones involved in this cycle (Question 12).


Learn more about Menstruation here:

https://brainly.com/question/50901233


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Rewritten by : Barada