Lab Exam III

Question 1

What is the order of the meninges in a sheep brain (from base to external layer)

Answer 1

Pia Mater

Arachnoid

Dura Mater

Question 2

Question 3

What is the name and function of #2?

Answer 3

Olfactory tract

Question 4

What is the name and function of #3, #4, and #5?

Answer 4

3 Optic Nerve (CN II)

carries impulses from the retina of the eyes

4 Optic Chiasma

5 Optic Tract

Question 5

What is the name and function of #5 and #6?

Answer 5

Both are part of the hypothalamus which is reposible for regulation of hormones and body temp

Infundibulum: allows for hormone synthesis in hypothalamus to be sent to the posterior pituitary release into the bloodstream

Mammilary Body: main function is recollective memory

Question 6

What is the name and function of #7?

Answer 6

Oculomotor Nerve III: innervation of the pupil and lens, upper eyelid, and somatic eyemuscles

Question 7

What is the name and function of #8?

Answer 7

Mescencephalon (Mid Brain): part of the CNS associated with vision, hearing, motor control, sleep/wake, alertness, and temp regulation