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L08 Reproductive system 2

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

The interstitial (Leydig) cells located between the seminiferous tubules secrete:

a)

FSH

b)

Oestrogen

c)

Testosterone

d)

LH

2.

Sperm maturation and storage primarily occur in the:

a)

Seminiferous tubules

b)

Deferent duct

c)

Epididymis

d)

Prostate gland

3.

The tail (flagellum) of a mature sperm provides for:

a)

DNA storage

b)

Energy

c)

Motility

d)

Ovum penetration

4.

The optimal temperature for sperm production is approximately:

a)

Equal to body temperature

b)

∼ 3°C above body temperature

c)

∼ 3°C below body temperature

d)

At 0°C

5.

Which structure suspends the testes and passes through the inguinal canal?

a)

Deferent duct

b)

Scrotal septum

c)

Spermatic cord

d)

Cremaster muscle

6.

The muscular tube that transports sperm from the epididymis during ejaculation is the:

a)

Urethra

b)

Ejaculatory duct

c)

Deferent duct (vas deferens)

d)

Ureter

7.

The structure formed by the union of the vas deferens and the seminal vesicle duct is the:

a)

Prostatic urethra

b)

Seminal vesicle

c)

Epididymis

d)

Ejaculatory duct

8.

The seminal vesicles contribute approximately what percentage of the semen volume?

a)

∼ 10%

b)

∼ 30%

c)

∼ 60%

d)

∼ 90%

9.

The seminal fluid is viscous and alkaline to:

a)

Provide energy

b)

Cause clotting

c)

Protect sperm from vaginal acidity

d)

Aid sperm production

10.

The prostate gland is located below the bladder and surrounds the:

a)

Vas deferens

b)

Seminal vesicle

c)

Rectum

d)

Urethra

11.

The prostate gland contributes approximately what percentage of the semen volume?

a)

∼ 60%

b)

∼ 30%

c)

∼ 10%

d)

∼ 5%

12.

The thin, milky prostatic fluid is responsible for semen's white color and contains an enzyme that:

a)

Metabolizes fructose

b)

Causes clotting to thicken semen in the vagina

c)

Neutralizes semen pH

d)

Increases sperm motility

13.

The shortest and narrowest part of the male urethra, passing through the perineal membrane, is the:

a)

Prostatic urethra

b)

Membranous urethra

c)

Penile (spongy) urethra

d)

External urethral orifice

14.

The involuntary smooth muscle sphincter located at the bladder neck is the:

a)

External urethral sphincter

b)

Internal urethral sphincter

c)

Cremaster muscle

d)

Dartos muscle

15.

The voluntary skeletal muscle sphincter surrounding the membranous urethra is the:

a)

Internal urethral sphincter

b)

Cremaster muscle

c)

External urethral sphincter

d)

Corpus spongiosum

16.

The erectile tissue that surrounds the urethra in the penis is the:

a)

Corpora cavernosa

b)

Corpus spongiosum

c)

Root

d)

Glans penis

17.

The process of ejaculation involves powerful rhythmic contractions of the smooth muscle in the:

a)

Prostate gland

b)

Seminal vesicle

c)

Vas deferens (Deferent duct)

d)

Bladder

18.

The length of a human gestation period is approximately:

a)

∼ 28 days

b)

∼ 28 weeks

c)

∼ 40 weeks

d)

∼ 52 weeks

19.

During pregnancy, the implanted blastocyst secretes hCG primarily to:

a)

Stimulate milk production

b)

Maintain the corpus luteum

c)

Trigger parturition

d)

Stimulate new follicle growth

20.

The transition phase where the reproductive cycle becomes irregular and eventually stops is:

a)

Puberty

b)

Menarche

c)

Ovulation

d)

Menopause

21.

Menopause is primarily caused by the depletion of viable:

a)

FSH

b)

Oocytes (follicles)

c)

LH

d)

Progesterone

22.

Chlamydia is a bacterial STI that, in females, commonly causes cervicitis and can spread upward to cause:

a)

Syphilis

b)

Pelvic inflammatory disease (PID)

c)

Urethritis

d)

Endometrial carcinoma

23.

In males, Gonorrhoea primarily causes suppurative:

a)

Epididymitis

b)

Prostatitis

c)

Urethritis

d)

Chancres

24.

The characteristic lesion of the primary stage of Syphilis is a:

a)

Mucosal ulceration

b)

Chancre (painless ulcer)

c)

Rash

d)

Gumma

25.

The sexually transmitted infection caused by a protozoan parasite (not a bacterium or virus) is:

a)

Chlamydia

b)

Gonorrhoea

c)

Trichomonas vaginalis

d)

Genital herpes

26.

Overgrowth of the commensal Candida albicans causing vulvovaginal candidiasis is often triggered by antibiotic use because it kills:

a)

E. coli

b)

Sperm

c)

Lactobacillus (beneficial bacteria)

d)

Viruses

27.

The most common cause of cervical carcinoma ( >90% of cases) is infection by:

a)

Gonorrhoea

b)

Chlamydia

c)

HPV (Human Papillomavirus)

d)

Herpes Simplex Virus

28.

Endometriosis involves the ectopic growth of endometrial tissue outside the uterus, commonly at which site?

a)

Stomach, liver, pancreas

b)

Ovaries, uterine tubes, pelvic peritoneum

c)

Urethra, bladder

d)

Clitoris, labia majora

29.

The most common, benign tumors of the myometrium that grow during reproductive years but regress after menopause are:

a)

Endometrial carcinoma

b)

Adenomyosis

c)

Leiomyoma (fibroids)

d)

Chocolate cysts

30.

The disorder where endometrial tissue grows into the muscular wall of the uterus (myometrium) is:

a)

Endometriosis

b)

Leiomyoma

c)

Adenomyosis

d)

Endometrial hyperplasia