Fundamentals Of Anatomy Physiology 9th Edition By Frederic H. Martini – Test Bank

Fundamentals of Anatomy and Physiology, 9e (Martini)

Chapter 17  The Special Senses

Multiple-Choice Questions

1) Olfactory glands

1. A) house the sense of smell.
2. B) support the olfactory epithelium.
3. C) react to aromatic molecules.
4. D) coat the olfactory epithelium with a pigmented mucus.
5. E) group as olfactory bulbs.

Answer:  D

Learning Outcome:  17-1

Bloom’s Taxonomy:  Knowledge

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

1. A) frontal lobe
2. B) cerebellum
3. C) parietal lobe
4. D) cerebrum
5. E) medulla oblongata

Answer:  D

Learning Outcome:  17-1

Bloom’s Taxonomy:  Knowledge

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

1. A) contact a specialized olfactory cell.
2. B) bind to receptors in olfactory cilia.
3. C) gate open ion channels.
4. D) respond to applied pressure.
5. E) be transported to the olfactory bulbs.

Answer:  B

Learning Outcome:  17-1

Bloom’s Taxonomy:  Knowledge

4) Which of the following is true of olfactory discrimination?

1. A) There are 6 primary smells known.
2. B) The number of olfactory receptors decline as we age.
3. C) All odorants require the same concentration to activate an olfactory receptor.
4. D) There are different types of olfactory receptor cells to detect each type of odorant.
5. E) All of the answers are correct.

Answer:  B

Learning Outcome:  17-1

Bloom’s Taxonomy:  Comprehension

5) All of the following are true of olfactory pathways, except

1. A) they project first to the mamillary bodies and then to the thalamus.
2. B) primary afferents synapse in the olfactory bulb.
3. C) information flows to the olfactory cortex, hypothalamus, and limbic system.
4. D) they are the only sensory pathways to reach the forebrain without first synapsing in the thalamus.
5. E) they exhibit a considerable amount of convergence.

Answer:  A

Learning Outcome:  17-1

Bloom’s Taxonomy:  Knowledge

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?

1. A) olfaction
2. B) hearing
3. C) equilibrium
4. D) proprioception
5. E) vision

Answer:  A

Learning Outcome:  17-1

Bloom’s Taxonomy:  Comprehension

7) A normal, relaxed inhalation carries about ________ of the inhaled air to the olfactory organs.

1. A) 50 percent
2. B) 8 percent
3. C) 2 percent
4. D) 35 percent
5. E) 10 percent

Answer:  C

Learning Outcome:  17-1

Bloom’s Taxonomy:  Knowledge

8) How would a molecule that mimics cAMP affect an olfactory receptor?

1. A) It would increase sodium permeability.
2. B) It would open chemically-gated sodium channels.
3. C) It would depolarize the olfactory receptor.
4. D) It could trigger an afferent action potential.
5. E) All of the answers are correct.

Answer:  E

Learning Outcome:  17-1

Bloom’s Taxonomy:  Comprehension

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

1. A) medulla oblongata.
2. B) medial geniculate.
3. C) cerebral cortex.
4. D) olfactory bulb.
5. E) olfactory tract.

Answer:  D

Learning Outcome:  17-1

Bloom’s Taxonomy:  Knowledge

10) Gustatory receptors are located

1. A) in the eye.
2. B) in the ear.
3. C) on the surface of the tongue.
4. D) in the nose.
5. E) on the skin.

Answer:  C

Learning Outcome:  17-2

Bloom’s Taxonomy:  Knowledge