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Question 1

Fructose

Answer 1

What provides energy for sperm motility in semen?

Question 2

Citric acid

Answer 2

What helps maintain pH balance in semen?

Question 3

Zinc

Answer 3

What stabilizes sperm chromatin in semen?

Question 4

Prostatic fluid

Answer 4

What neutralizes vaginal acidity to protect sperm?

Question 5

Oligospermia

Answer 5

What condition involves a low sperm count?

Question 6

Asthenospermia

Answer 6

What condition involves reduced sperm motility?

Question 7

Fertilization

Answer 7

What is the main purpose of sperm?

Question 8

Acrosome

Answer 8

What part of the sperm contains enzymes to break down the eggs outer layer?

Question 9

Nucleus

Answer 9

What part of the sperm contains genetic material?

Question 10

Midpiece

Answer 10

Which part of the sperm contains mitochondria that produce ATP?

Question 11

Tail/Flagellum

Answer 11

What part of the sperm enables movement toward the egg?

Question 12

Chemotaxis

Answer 12

What guides the sperm toward the egg using chemical signals?

Question 13

Spermogram

Answer 13

What diagnostic tool assesses semen quality in infertility cases?

Question 14

Spermatogenesis

Answer 14

What is the process of sperm production called?

Question 15

Seminiferous tubules

Answer 15

Where does spermatogenesis occur?

Question 16

Spermatocytogenesis

Answer 16

What is the first stage of spermatogenesis involving diploid cell division?

Question 17

Meiosis

Answer 17

What stage of spermatogenesis reduces chromosome number to form haploid cells?

Question 18

Spermiogenesis

Answer 18

What is the maturation stage of spermatogenesis?

Question 19

FSH

Answer 19

Which hormone stimulates Sertoli cells in spermatogenesis?

Question 20

LH

Answer 20

Which hormone stimulates Leydig cells to produce testosterone?

Question 21

Testicular torsion, heat, varicocele

Answer 21

What factors can impair spermatogenesis?

Question 22

Puberty

Answer 22

What marks the onset of sexual maturity in males?

Question 23

Primary sexual characteristics

Answer 23

What includes growth of testes and penis due to testosterone?

Question 24

Secondary sexual characteristics

Answer 24

What includes voice deepening and body hair growth in males?

Question 25

Libido

Answer 25

What increases due to rising testosterone during puberty?

Question 26

Hypogonadism

Answer 26

What condition involves delayed puberty?

Question 27

Precocious puberty

Answer 27

What condition involves early onset puberty?

Question 28

Sexual arousal

Answer 28

What begins the male sexual act by increasing blood flow to the penis?

Question 29

Erection

Answer 29

What results from blood filling the corpora cavernosa and corpus spongiosum?

Question 30

Ejaculation

Answer 30

What involves muscle contractions that propel semen from the urethra?

Question 31

Erectile dysfunction

Answer 31

What is the inability to achieve or maintain an erection?

Question 32

PDE5 inhibitors

Answer 32

What class of drugs treats erectile dysfunction?

Question 33

Sildenafil (Viagra)

Answer 33

Name a PDE5 inhibitor also used for pulmonary hypertension.

Question 34

Tadalafil (Cialis)

Answer 34

Which PDE5 inhibitor has a longer duration of action?

Question 35

Nitric oxide (NO)

Answer 35

What molecule is released during sexual stimulation and activates guanylate cyclase?

Question 36

cGMP

Answer 36

What compound increases due to NO and causes smooth muscle relaxation?

Question 37

Headache, flushing, nasal congestion

Answer 37

What are common side effects of PDE5 inhibitors?

Question 38

Priapism

Answer 38

What is a rare but serious side effect of PDE5 inhibitors involving prolonged erection?

Question 39

Testosterone

Answer 39

What hormone is produced by Leydig cells and is key for male health?

Question 40

Seminiferous tubules

Answer 40

What does testosterone stimulate to aid sperm production?

Question 41

Bone density

Answer 41

What does testosterone help maintain, along with red blood cell production?

Question 42

Hypogonadism

Answer 42

What condition results from testosterone deficiency?

Question 43

Testosterone-secreting tumors

Answer 43

What condition can result from excess testosterone?

Question 44

TRT (Testosterone Replacement Therapy)

Answer 44

What treatment may be used for testosterone imbalance?

Question 45

Andropause

Answer 45

What is the gradual decline in testosterone levels in aging men called?

Question 46

After age 40

Answer 46

When does andropause typically begin?

Question 47

Decreased muscle mass, increased body fat

Answer 47

What physical changes occur during andropause?

Question 48

Lower libido, ED

Answer 48

What sexual function changes are associated with andropause?

Question 49

Irritability, depression, reduced cognition

Answer 49

What mood and cognitive issues can arise from andropause?

Question 50

Prostate enlargement, cardiovascular risks

Answer 50

What are potential risks of testosterone therapy during andropause?