Week 6 - Male Infertility

Question 1

List causes of male infertility

Answer 1

Hormonal imbalance
Environment
Obstruction
Abnormal Spermatogenesis
Sexual dysfunction
Anti-sperm antibodies
Undescended Testicles

Question 2

Obstruction of male reproductive system can be caused by ________

Answer 2

infection, e.g. mumps

trauma (tubule defect)

Question 3

Poor sperm quality can be a result of _________

Answer 3

zinc deficiency (relative to copper) - hypospermia
tetracycline - low sperm motility
marijuana - low motility, malformation
arsenic - malformation, low motility, low count

Question 4

List examples of sexual dysfunction in males

Answer 4

low libido, erectile dysfunction, premature ejaculation, difficulty ejaculating

Question 5

Low sperm count is defined as __________

Answer 5

<15MM per mL

<39MM per ejaculate

Question 6

List examples of hormone imbalance leading to male infertility

Answer 6

testicle disorder
endocrine disorder (hypothalamus, pituitary, thyroid, adrenal glands)
low testosterone
tumors

Question 7

List environmental causes of male infertility

Answer 7

heat
industrial chemicals
heavy metals
radiation

Question 8

How is male infertility diagnosed?

Answer 8

general physical exam, medical history

semen analysis

Question 9

Additional tests for male infertility include ______

Answer 9

scrotal ultrasound
hormone testing
post-ejaculation urinalysis
genetic tests
testicular biopsy

Question 10

Treatments for male infertility include ________

Answer 10

surgery
treat infection
hormone treatment
medication
assisted reproductive technology