taste and smell part 2

Question 2

Olfactory receptor cells

Answer 2

replaced every 1-2 months by basal cells in the olfactory epithelium

Question 3

olfactory epithelium

Answer 3

olfactory receptor cells/neurons, basal cells and support cells

Question 4

Answer 4

Question 5

—– of olfactory receptor cells extend to the surface of the olfactory epithelium and terminate with a ——–region from which non-motile cilia project.

Answer 5

Dendrites of olfactory receptor cells extend to the surface of the olfactory epithelium and terminate with a rounded knoblike-region from which non-motile cilia project.

Question 6

Cilia

Answer 6

extend into the mucus layer and possess receptors for odorant molecules

Question 10

Unmyelinated axons of olfactory receptor cells to

Answer 10

olfactory filia to olfactory nerve

Question 11

Unmyelinated axons of olfactory receptor cells

Answer 11

pass through the lamina propria

Question 12

Answer 12

place where the olfactory axons synapse After passing through the cribiform plate

Question 13

Receptors responsive to different odorant molecules are —– in the olfactory epithelium

Answer 13

Receptors responsive to different odorant molecules are intermingled in the olfactory epithelium

Question 14

Unmyelinated axons of olfactory receptor cells travel through the —— —–(ethmoid bone) and terminate in the —–

Answer 14

Theses axons travel through the cribiform plate (ethmoid bone) and terminate in the olfactory bulb.

Question 15

cribiform plate

Answer 15

ethmoid bone

Question 16

At the level of the glomeruli, the axons of olfactory neurons carrying — olfactory information synapse in the — glomerulus.

Answer 16

©At the level of the glomeruli, the axons of olfactory neurons carrying similar olfactory information synapse in the same glomerulus.

Question 17

tf CN1 will emerge thru ant cranial fossa

Answer 17

T thru cribiform plate

Question 20

Neurons in the anterior olfactory nucleus cross via the —– commissure, to the —— olfactory bulb

Answer 20

Neurons in the anterior olfactory nucleus cross via the anterior commissure, to the contralateral olfactory bulb

Question 21

Glomeruli respond selectively to — —– that characterize the complex odor.

Answer 21

Glomeruli respond selectively to one or two molecules that characterize the complex odor.

Question 22

tf Odor information is carried along the olfactory tract (axons of mitral and tufted cells) to one areas

Answer 22

Odor information is carried along the olfactory tract (axons of mitral and tufted cells) to several areas

Question 24

The relay through the thalamus occurs after afferents reach the —– —– —– but prior to olfactory info traveling to association cortex (eg. —–)

Answer 24

The relay through the thalamus occurs after afferents reach the primary olfactory cortex but prior to olfactory info traveling to association cortex (eg. orbitofrontal cortex

Question 25

Convergence in the orbitofrontal cortex,

Answer 25

from the gustatory, somatosensory, olfactory and visual cortical areas

Question 26

Mitral Cells and tufted cells

Answer 26

also contribute to the glomerulus)

Question 27

Primary olfactory cortex

Answer 27

(piriform cortex, periamygdaloid cortex, anterior parahippocampal gyrus)

Question 28

which of follwowing areas is not where Olfactory tract fibers terminate

Anterior olfactory nucleus

post olfactory nucleus

Olfactory tubercle

Amygdala

olf. bulb

Answer 28

post olfactory nucleus

and olf bulb

Question 30

ability to discriminate and identify odors

Answer 30

Primary Olfactory Cortex

Question 31

Primary Olfactory Cortex

Answer 31

is located in the uncus of the temporal lobe

Question 32

Anterior parahippocampal gyrus

Answer 32

Primary Olfactory Cortex

Question 35

perception of flavor

Answer 35

integration in orbitofrontal cortex

Question 36

Taste-responsive cells of primate amygdala and hypothalamus

Answer 36

complex tastemediated behaviors

Question 37

Hippocampus –

Answer 37

concerned with learning associated with feeding

projections from prim olfactory cortex

Question 38

concerned with feeding behaviors

Answer 38

Hypothalamus

(has projections from primary olfactory cortex)

Question 39

Bilateral lesions in the ventral medial hypothalamus

Answer 39

voracious appetite and resulting obesity

Question 40

Bilateral lesions of the ventral lateral hypothalamus

Answer 40

failing to feed and wasting