Physiology

Question 1

What does the dominant follicle in the ovary become after it releases an egg?

Answer 1

Corpus Luteum which produces hormones

Question 2

What are the two names of the hormonal phases of the monthly cycle?

Answer 2

Follicular phase- FH controlled which causes oestrogen release which triggers LH surge
Luteal Phase- LH means surge in progesterone

Question 3

What are the three phases of the monthly cycle in relation to the endometrium?

Answer 3

Menses- vasoconstriction causes cells to break down
Proliferative phase- oestrogen causing endometrium to thicken
Secretory phase- progesterone preparing endometrium for egg implantation

Question 4

What cells in the testis produce testosterone?

Answer 4

Leydig cells

Question 5

What effect does testosterone have around the body?

Answer 5

Hair growth and sebum production
Synthesis of serum proteins
Libido and mood
Increase in muscle strength and volume
Stimulates erythropoietin production
Stimulation of stem cells
Accelerates bone growth
Penile growth, spermatogenesis and prostate growth