The Special Senses

This question bank verified by Studydeets

All Questions

Question 1

Free

Multiple Choice

Olfactory glands

Choose correct answer/s

house the sense of smell.

regenerate to form new olfactory epithelium.

react to aromatic molecules.

coat the olfactory epithelium with a pigmented mucus.

group as olfactory bulbs.

Check answer

Question 2

Free

Multiple Choice

Olfactory information is first received by which part of the brain?

Choose correct answer/s

pons

cerebellum

thalamus

cerebrum

medulla oblongata

Check answer

Question 3

Free

Multiple Choice

Before an olfactory receptor can detect an odorant, it has to

Choose correct answer/s

contact a basal cell.

bind to receptors on olfactory dendrites.

open ion channels.

respond to applied pressure.

be transported to the olfactory bulbs.

Check answer

Question 4

Free

Multiple Choice

Which of the following is true of olfactory discrimination?

Choose correct answer/s

There are 6 primary smells known.

The number of olfactory receptors decline as we age.

All odorants require the same concentration to activate an olfactory receptor.

There are different types of olfactory receptor cells to detect each type of odorant.

The olfactory receptor population does not divide.

Check answer

Question 5

Free

Multiple Choice

All of the following are true of olfactory pathways except which one?

Choose correct answer/s

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

Neurons from the olfactory epithelium synapse in the olfactory bulb.

Information flows to the olfactory cortex, hypothalamus, and limbic system.

They reach the forebrain without first synapsing in the thalamus.

The limbic system-olfactory pathway connection means that there are close ties between experiences and memories with smell.

Check answer

Question 6

Multiple Choice

Some neural tissues retain stem cells and thus the capacity to divide and replace lost neurons. Which ofthese special senses can replace its damaged neural receptors?

Choose correct answer/s

olfaction

hearing

equilibrium

proprioception

vision

To unlock the question

Question 7

Multiple Choice

Anormal, relaxed inhalation carries about ________ of the inhaled air to the olfactory organs.

Choose correct answer/s

50 percent

8 percent

2 percent

35 percent

10 percent

To unlock the question

Question 8

Multiple Choice

Olfactory receptors send axons through the cribriform plate. They synapse on neurons in the

Choose correct answer/s

medulla oblongata.

medial geniculate.

cerebral cortex.

olfactory bulb.

olfactory tract.

To unlock the question

Question 9

Multiple Choice

Olfactory organs are located in the nasal cavity inferior to the perforated bony structure known as the

Choose correct answer/s

cribriform plate.

sphenoid bone.

sella turcica.

vomer.

zygomatic process.

To unlock the question

Question 10

Multiple Choice

The olfactory organ consists of the ________ and the lamina propria.

Choose correct answer/s

gustatory cells

basilar membrane

olfactory epithelium

hippocampus

ethmoid bone

To unlock the question

Question 11

Multiple Choice

The olfactory receptors are highly modified

Choose correct answer/s

epithelial cells.

interneurons.

sensory neurons.

motor neurons.

neuroglial cells.

To unlock the question

Question 12

Multiple Choice

Which of the following types of sensory information reaches the cerebral cortex directly?

Choose correct answer/s

visual

hearing

equilibrium

olfactory

gustatory

To unlock the question

Question 13

Multiple Choice

When odorant molecules contact the dendritic processes of olfactory receptors the initial response is

Choose correct answer/s

an action potential.

activation of a kinase.

a generator potential.

a hyperpolarization potential.

a conversion of 11-trans retinal to 11-cis retinal.

To unlock the question

Question 14

Multiple Choice

During a sinus infection it is difficult to smell because

Choose correct answer/s

basal cell division decreases.

olfactory glands stop producing mucus.

olfactory supporting cells block odorant molecules from reaching the receptors.

the hypothalamus stops responding to olfactory stimulation.

excess mucus blocks odorant molecules from reaching the receptors.

To unlock the question

Question 15

Multiple Choice

Damage to the insula is most likely to affect which of the following senses?

Choose correct answer/s

olfaction

gustation

vision

hearing

equilibrium

To unlock the question

Question 16

Multiple Choice

Our taste buds are most receptive to which of the following types of compounds?

Choose correct answer/s

sweet

salty

sweet and salty

bitter

umami

To unlock the question

Question 17

Multiple Choice

As we age

Choose correct answer/s

taste bud sensitivity increases.

taste bud sensitivity doubles.

the number of taste buds increases.

the number of taste buds decreases.

the number of taste buds decreases but the number of olfactory receptors increases to compensate.

To unlock the question

Question 18

Multiple Choice

Which of the following correctly states how a gustatory receptor will be stimulated by an acidic or sourcompound?

Choose correct answer/s

G proteins will be activated.

Hydrogen ions will diffuse into the receptor cell causing depolarization.

Sodium ions will diffuse into the receptor cell causing depolarization.

Second messengers will be activated.

Adenylate cyclase will be activated.

To unlock the question

Question 19

Multiple Choice

The function of gustatory receptors parallels that of

Choose correct answer/s

photoreceptors in the eye.

mechanoreceptors in the ear.

olfactory receptors.

lamellar corpuscles.

proprioceptors.

To unlock the question

Question 20

Multiple Choice

Which of the following lingual papillae has the largest number of taste buds?

Choose correct answer/s

pharynx

foliate papillae

filiform papillae

fungiform papillae

vallate papillae

To unlock the question