The outermost layer of the brain, the is housed in the cerebrum.
a. reticular formation
b. medulla
c. thalamus
d. cerebral cortex

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

An 88 year-old widow with uterine prolapse and multiple comorbid conditions has been unsuccessful in the use of a pessary for treatment elects to receive colpocleisis (lefort type) to prevent further prolapse and avoid more significant surgery like hysterectomy. the treatment is successful. what are the cpt® and icd-10-cm codes reported for this procedure?

What happens when water’s salinity increases? mass decreases. freezing point decreases. buoyancy of objects decreases. the amount of dissolved minerals decreases.