quiz #4 - special senses

Question 1

what part of the autonomic nervous system is responsible for digestion?

Answer 1

enteric nervous system

Question 2

which cranial nerve is responsible for the movement of the tongue, but does not transmit any taste sensation

Answer 2

Hypoglossal (CN XII)

Question 3

once the vibrations were transduced into an auditory signal, which pathways did this signal take to reach the brain

Answer 3

Cochlear branch of the vestibulocochlear nerve (CN VIII), medulla oblongata, pons, midbrain, thalamus, primary auditory cortex in the temporal lobe

Question 4

vision

Answer 4

cornea

Question 5

olfaction

Answer 5

olfactory epithelium

Question 6

audition

Answer 6

scala Vestibuli

Question 7

equilibrium

Answer 7

otolithic membrane

Question 8

gustation

Answer 8

papillae

Question 9

what kind of stimulus is the chip flavor (salt)

Answer 9

odorant

Question 10

what type of receptor is helping you to “taste” your food?

Answer 10

taste bud

Question 11

which taste are we most sensitive to, to protect us from poisoning

Answer 11

bitter

Question 12

which ion flows into gustatory receptor cells in reaction to a sour tastant?

Answer 12

H+

Question 13

which papillae help you to create friction, so you can chew and swallow food, but do not contain any taste buds

Answer 13

filiform papillae

Question 14

where is the primary area, in the cerebral cortex, that contributes to taste?

Answer 14

base of the somatosensory cortex in the parietal lobe

Question 15

which taste is your friend experiencing when she eats her Risotto?

Answer 15

umami

Question 16

which receptors were able to transduce the light, entering Phil’s eyeballs to see an eagle?

Answer 16

photoreceptors

Question 17

which types of cells, in the retina, was Phil using to see in daylight and in color?

Answer 17

cones

Question 18

what part of the autonomic nervous system made Phil’s heart rate increase in response to a fearful situation?

Answer 18

sympathetic nervous system

Question 19

what part of Phils eyeball would have adjusted to ensure the light hit the retina at the correct angle?

Answer 19

lens

Question 20

which structure is responsible for adjusting the structure in the lens (above questions)

Answer 20

ciliary muscle of the ciliary body

Question 21

which muscles protect the tympanic membrane and stapes from damage due to loud sounds

Answer 21

tensor tympani

Question 22

Phil and his friends heard the crash because the _____ in the _____ moved in response to vibration

Answer 22

hair cells

organ of Corti

Question 23

what is likely causing Penelope’s motion sickness?

Answer 23

two senses “disagreeing with each other” → vision + equilibrium

Question 24

what explains Penelope’s eyes “getting used to” the brightness?

Answer 24

accommodation of the cones

Question 25

when she stepped into the light, her pupil would have constricted. Which structure contains the muscles responsible for this?

Answer 25

iris

Question 26

when Penelope bends her head and looks over the edge to see the water, which fluid in the ear flows and moves hair cells to create a potential?

Answer 26

endolymph

Question 27

Penelope tripping and catching herself is an example of _____

Answer 27

dynamic equilibrium

Question 28

which area of the brain is the primary integration center for all of this vestibular input?

Answer 28

vestibular area in the parietal lobe

Question 29

Felix heard the alarm clock because _____ of the tympanic membrane was interpreted as sound in the brain

Answer 29

vibration

Question 30

which bone transmits vibrations in the perilymph in the ear?

Answer 30

stapes

Question 31

which part of the inner ear contains the receptors that allowed Felix to hear the alarm clock?

Answer 31

cochlea

Question 32

the smell of bacon traveled to Felix’s brain on the _____

Answer 32

olfactory nerve

Question 33

bacon makes Felix feel excited because it is linked to emotions and memories. This is because axons of the olfactory tract connect with the _____

Answer 33

limbic system

Question 34

salivation is one of the functions of the _____ part of the autonomic nervous system

Answer 34

parasympathetic

Question 35

which is the pathway of an action potential from an odorant receptor to identification in the bran?

Answer 35

olfactory nerve → olfactory bulb → olfactory tract → primary olfactory area

Question 36

structure responsible for creating Felix’s tears

Answer 36

lacrimal gland/ duct

Question 37

Felix opened his eyes, what structure was he opening?

Answer 37

palpebrae

Question 38

Felix registered what they were seeing because the light on the alarm clock stimulated their photoreceptors, which are located in the _____

Answer 38

nervous tunic of the eye

Question 39

for Felix to see, or hear, or smell anything, the sensory input had to go through 4 stages - in what order did they happen?

Answer 39

stimulation → transduction → generation → integration