MT1 Extra Review

Question 1

SNS Connections

Fibers entering posterior root bring _______?
Fibers leaving anterior root carry ______?
White matter tracts carry ______?

Answer 1

Sensory info. from sensory receptors
Motor info. to the muscles
Info. to and from the brain

Question 2

Name mnemonic for cranial nerves

Answer 2

On Old Olympus’ Towering Top A Fin And German View Some Hops

Question 3

Function mnemonic for cranial nerves

Answer 3

Some Say Marry Money But My Brother Says Big Brains Matter More

Question 4

SNS is monitored and controlled by CNS, explain how

Answer 4

Cranial nerves controlled by brain
Spinal nerves controlled by spinal cord segments

Question 5

Cell membrane is described as what?

Answer 5

Phospholipid bilayer - hydrophilic head with polar regions, hydrophobic tail with no polar regions

Head (phosphate groups) will bind to water, fatty acid tails will not

Question 6

Subregions of corpus callosum (separate nerve tracts that connect to different hemispheres)

Answer 6

Genu (anterior CC)
Splenium (posterior)
Rostrum (space behind eyes, the tip of CC)
Body (long central section)

Question 7

Golgi body

Answer 7

Membranous structure that packages protein molecules for transport

Question 8

Lysosomes

Answer 8

Sacs containing enzymes that break down wastes

Question 9

Mitochondrion

Answer 9

Gathers, stores, releases energy

Question 10

Endoplasmic reticulum

Answer 10

Folded layers of membrane where proteins are assembled

Question 11

Destinations of proteins after being formed in the ER and moved along microtubule

Answer 11

• Incorporated into membrane
• Remain within cell as enzyme
• Excreted by the cell (exocytosis)