NEURO & SENSORY systems pp pt2

Question 1

Cerebrum is the largest portion of the brain in humans (T/F)?

Answer 1

true

Question 2

what does the cerebrum do?

Answer 2

Communicates with, and coordinates the activities of, the other parts of the brain

Question 3

what divides the cerebrum?

Answer 3

Longitudinal fissure divides the cerebrum into left and right cerebral hemispheres

Question 4

Alcohol and drugs can adversely affect neurological development (T/F)?

Answer 4

true

Question 5

Alcohol and drugs can adversely affect neurological development in?

Answer 5

in utero (embryo & fetus
In newborns

Question 6

Alcohol and drugs can damage the brain and neurological system in adult users and abusers. (T/F)?

Answer 6

true

Question 7

Drug abuser?

Answer 7

a person who takes a drug at a dose level that increases the potential for a harmful effect

Question 8

Addiction?

Answer 8

when more of the drug is needed to get same effect

Question 9

Withdrawal?

Answer 9

experienced when addict stops taking the drug

Question 10

The human ear has what two functions?

Answer 10

Hearing

Balance or equilibium

Question 11

The sensory receptors are located in?

Answer 11

the inner ear

Question 12

The receptors consist of___with____

Answer 12

hair cells with stereocilia (long microvilli)

Question 13

The receptors are sensitive to mechanical stimulation, and are therefore referred to as?

Answer 13

mechanoreceptors

Question 14

Three parts that make up the anatomy of the ear?

Answer 14

outer, middle, and inner ear

Question 15

Outer ear contains what 3 things?

Answer 15

Pinna (external flap)
Auditory canal - lined with fine hairs and glands
Glands secrete earwax to guard the ear against invadors

Question 16

Middle ear contains whats?

Answer 16

Middle ear
begins at tympanic membrane (ear drum)
ends at a bony wall containing the oval & round windows
ossicles (three small bones) are between the tympanic membrane and the oval and round windows: malleus [hammer]; incus [anvil]; stapes [stirrup]
Auditory tube (eustachian tube) extends from the middle ear to the nasopharynx

Question 17

Inner ear contains what?

Answer 17

Inner ear (filled with fluid) has three areas
Semicircular canals (equilibrium)
Vestibule (equilibrium)
Cochlea (hearing) resembles the shell of a snail

Question 18

The important thing that the inner ear contains?

Answer 18

choclea

Question 19

the middle ear contains what three bones? where are they located?

Answer 19

ossicles, they are between the tympanic membrane and oval and round windows

Question 20

malleus

Answer 20

hammer

Question 21

incus

Answer 21

anvil

Question 22

staper

Answer 22

stirrup