Question 1

Olfactory glands
A) house the sense of smell.
B) regenerate to form new olfactory epithelium.
C) react to aromatic molecules.
D) coat the olfactory epithelium with a pigmented mucus.
E) group as olfactory bulbs.

Accepted Answer

D) coat the olfactory epithelium with a pigmented mucus.

Question 2

Olfactory information is first received by which part of the brain?
A) pons
B) cerebellum
C) thalamus
D) cerebrum
E) medulla oblongata

Accepted Answer

D) cerebrum

Question 3

Before an olfactory receptor can detect an odorant, it has to
A) contact a basal cell.
B) bind to receptors on olfactory dendrites.
C) open ion channels.
D) respond to applied pressure.
E) be transported to the olfactory bulbs.

Accepted Answer

B) bind to receptors on olfactory dendrites.

Question 4

Which of the following is true of olfactory discrimination?
A) There are 6 primary smells known.
B) The number of olfactory receptors decline as we age.
C) All odorants require the same concentration to activate an olfactory receptor.

Accepted Answer

B) The number of olfactory receptors decline as we age.

Question 5

All of the following are true of olfactory pathways except which one?
A) They project first to the occipital lobes and then to the thalamus.
B) Neurons from the olfactory epithelium synapse in the olfactory bulb.

Accepted Answer

A) They project first to the occipital lobes and then to the thalamus.

Question 6

Some neural tissues retain stem cells and thus the capacity to divide and replace lost neurons. Which of these special senses can replace its damaged neural receptors?
A) olfaction
B) hearing
C) equilibrium
D) proprioception
E) vision

Accepted Answer

A) olfaction

Question 7

A normal, relaxed inhalation carries about ________ of the inhaled air to the olfactory organs.
A) 50 percent
B) 8 percent
C) 2 percent
D) 35 percent
E) 10 percent

Accepted Answer

C) 2 percent

Question 8

Olfactory receptors send axons through the cribriform plate. They synapse on neurons in the
A) medulla oblongata.
B) medial geniculate.
C) cerebral cortex.
D) olfactory bulb.
E) olfactory tract.

Accepted Answer

D) olfactory bulb.

Question 9

Olfactory organs are located in the nasal cavity inferior to the perforated bony structure known as the
A) cribriform plate.
B) sphenoid bone.
C) sella turcica.
D) vomer.
E) zygomatic process.

Accepted Answer

A) cribriform plate.

Question 10

The olfactory organ consists of the ________ and the lamina propria.
A) gustatory cells
B) basilar membrane
C) olfactory epithelium
D) hippocampus
E) ethmoid bone

Accepted Answer

C) olfactory epithelium

Question 11

The olfactory receptors are highly modified
A) epithelial cells.
B) interneurons.
C) sensory neurons.
D) motor neurons.
E) neuroglial cells.

Accepted Answer

C) sensory neurons.

Question 12

Which of the following types of sensory information reaches the cerebral cortex directly?
A) visual
B) hearing
C) equilibrium
D) olfactory
E) gustatory

Accepted Answer

D) olfactory

Question 13

When odorant molecules contact the dendritic processes of olfactory receptors the initial response is
A) an action potential.
B) activation of a kinase.
C) a generator potential.

Accepted Answer

C) a generator potential.

Question 14

During a sinus infection it is difficult to smell because
A) basal cell division decreases.
B) olfactory glands stop producing mucus.
C) excess mucus blocks odorant molecules from reaching the receptors.

Accepted Answer

C) excess mucus blocks odorant molecules from reaching the receptors.

Question 15

Damage to the insula is most likely to affect which of the following senses?
A) olfaction
B) gustation
C) vision
D) hearing
E) equilibrium

Accepted Answer

B) gustation

Question 16

Our taste buds are most receptive to which of the following types of compounds?
A) sweet
B) salty
C) sweet and salty
D) bitter
E) umami

Accepted Answer

D) bitter

Question 17

As we age
A) taste bud sensitivity increases.
B) taste bud sensitivity doubles.
C) the number of taste buds increases.
D) the number of taste buds decreases.

Accepted Answer

D) the number of taste buds decreases.

Question 18

Which of the following correctly states how a gustatory receptor will be stimulated by an acidic or sour compound?
A) G proteins will be activated.
B) Sodium ions will diffuse into the receptor cell causing depolarization.

Accepted Answer

B) Sodium ions will diffuse into the receptor cell causing depolarization.

Question 19

The function of gustatory receptors parallels that of
A) photoreceptors in the eye.
B) mechanoreceptors in the ear.
C) olfactory receptors.
D) lamellar corpuscles.
E) proprioceptors.

Accepted Answer

C) olfactory receptors.

Question 20

Which of the following lingual papillae has the largest number of taste buds?
A) pharynx
B) foliate papillae
C) filiform papillae
D) fungiform papillae
E) vallate papillae

Accepted Answer

vallate papillae

Question	Answer
Olfactory glands A) house the sense of smell. B) regenerate to form new olfactory epithelium. C) react to aromatic molecules. D) coat the olfactory epithelium with a pigmented mucus. E) group as olfactory bulbs.	D) coat the olfactory epithelium with a pigmented mucus.
Olfactory information is first received by which part of the brain? A) pons B) cerebellum C) thalamus D) cerebrum E) medulla oblongata	D) cerebrum
Before an olfactory receptor can detect an odorant, it has to A) contact a basal cell. B) bind to receptors on olfactory dendrites. C) open ion channels. D) respond to applied pressure. E) be transported to the olfactory bulbs.	B) bind to receptors on olfactory dendrites.
Which of the following is true of olfactory discrimination? A) There are 6 primary smells known. B) The number of olfactory receptors decline as we age. C) All odorants require the same concentration to activate an olfactory receptor.	B) The number of olfactory receptors decline as we age.
All of the following are true of olfactory pathways except which one? A) They project first to the occipital lobes and then to the thalamus. B) Neurons from the olfactory epithelium synapse in the olfactory bulb.	A) They project first to the occipital lobes and then to the thalamus.
Some neural tissues retain stem cells and thus the capacity to divide and replace lost neurons. Which of these special senses can replace its damaged neural receptors? A) olfaction B) hearing C) equilibrium D) proprioception E) vision	A) olfaction
A normal, relaxed inhalation carries about ________ of the inhaled air to the olfactory organs. A) 50 percent B) 8 percent C) 2 percent D) 35 percent E) 10 percent	C) 2 percent
Olfactory receptors send axons through the cribriform plate. They synapse on neurons in the A) medulla oblongata. B) medial geniculate. C) cerebral cortex. D) olfactory bulb. E) olfactory tract.	D) olfactory bulb.
Olfactory organs are located in the nasal cavity inferior to the perforated bony structure known as the A) cribriform plate. B) sphenoid bone. C) sella turcica. D) vomer. E) zygomatic process.	A) cribriform plate.
The olfactory organ consists of the ________ and the lamina propria. A) gustatory cells B) basilar membrane C) olfactory epithelium D) hippocampus E) ethmoid bone	C) olfactory epithelium
The olfactory receptors are highly modified A) epithelial cells. B) interneurons. C) sensory neurons. D) motor neurons. E) neuroglial cells.	C) sensory neurons.
Which of the following types of sensory information reaches the cerebral cortex directly? A) visual B) hearing C) equilibrium D) olfactory E) gustatory	D) olfactory
When odorant molecules contact the dendritic processes of olfactory receptors the initial response is A) an action potential. B) activation of a kinase. C) a generator potential.	C) a generator potential.
During a sinus infection it is difficult to smell because A) basal cell division decreases. B) olfactory glands stop producing mucus. C) excess mucus blocks odorant molecules from reaching the receptors.	C) excess mucus blocks odorant molecules from reaching the receptors.
Damage to the insula is most likely to affect which of the following senses? A) olfaction B) gustation C) vision D) hearing E) equilibrium	B) gustation
Our taste buds are most receptive to which of the following types of compounds? A) sweet B) salty C) sweet and salty D) bitter E) umami	D) bitter
As we age A) taste bud sensitivity increases. B) taste bud sensitivity doubles. C) the number of taste buds increases. D) the number of taste buds decreases.	D) the number of taste buds decreases.
Which of the following correctly states how a gustatory receptor will be stimulated by an acidic or sour compound? A) G proteins will be activated. B) Sodium ions will diffuse into the receptor cell causing depolarization.	B) Sodium ions will diffuse into the receptor cell causing depolarization.
The function of gustatory receptors parallels that of A) photoreceptors in the eye. B) mechanoreceptors in the ear. C) olfactory receptors. D) lamellar corpuscles. E) proprioceptors.	C) olfactory receptors.
Which of the following lingual papillae has the largest number of taste buds? A) pharynx B) foliate papillae C) filiform papillae D) fungiform papillae E) vallate papillae	vallate papillae

"Know" box contains:
Time elapsed:
Retries:

ch 17