Ob/gyn Lts

Question 1

Where is the thoracolumbar erection center?

Answer 1

T11-L2

The centrally perceived sensual input is relayed by neural signals to a spinal cord neural center (T11-L2)

Question 2

During psychogenic erections, from the spinal cord neural center neural impulses flow to the pelvic vascular bed. Where would blood then be redirected?

Answer 2

Corpora cavernosa

Question 3

What allows a man to acquire and maintain a firm erection?

Answer 3

Increased intracavernosal blood flow and reduced venous outflow

Question 5

What is the narrow window for the teratogenic effects of thalidomide on limb defects?

Answer 5

21-36 days postconception when limb bud development begins

Question 6

“continuing spermatogenesis makes males susceptible to mutations throughout
their reproductive life, leading to teratogenesis prior to conception” What is this process called?

Answer 6

Toxic mutagenesis

Question 7

What is a physiological response to infections that could also be teratogenic?

Answer 7

Fever