16.1 Properties and Types of Sensory Receptors

1			Sensory adaptation occurs most rapidly with this sense.
			A)	taste
			B)	hearing
			C)	vision
			D)	smell
2			Which of the following receptors include receptors for hearing, vision, taste, smell, touch, and cutaneous pain?
			A)	photoreceptors
			B)	thermoreceptors
			C)	exteroceptors
			D)	interoceptors
3			Tonic receptors adapt slowly. Which of the following are tonic receptors?
			A)	olfactory receptors
			B)	proprioceptors
			C)	Meissner corpuscles
			D)	pacinian corpuscles
4			Which of the following are pain receptors?
			A)	interoceptors
			B)	nociceptors
			C)	thermoreceptors
			D)	photoreceptors

16.2 The General Senses

5			You have been cooking on a stove for the last several hours. After turning off the burner, you accidentally place your hand on top of that burner as you reach for something else. What receptors will sense that hot, painful stimulus?
			A)	Merkel disks
			B)	free nerve endings
			C)	Golgi tendon organs
			D)	Meissner corpuscles
			E)	Ruffini corpuscles
6			Which type of receptor responds to high-frequency vibration?
			A)	Ruffini corpuscles
			B)	Krause-end bulbs
			C)	tactile corpuscles
			D)	lamellated corpuscles
7			Afferent impulses reach the somesthetic cortex from the thalamus via the
			A)	medial lemniscus.
			B)	third-order neurons.
			C)	first-order neurons.
			D)	putamen.
			E)	type A fibers.
8			A person experiencing pain around the shoulders or neck may actually be having problems with their lungs or diaphragm. This "misplacement" of the pain by the conscious mind is called
			A)	projection pain.
			B)	fast pain.
			C)	slow pain.
			D)	referred pain.
			E)	peritrichial pain.
9			Pain signals may be blocked by special neurotransmitters in the brain itself. An example of such a chemical produced during exercise is
			A)	substance P.
			B)	bradykinin.
			C)	epinephrine.
			D)	endorphin.
			E)	serotonin.

16.3 The Chemical Senses

10			The amino acids glutamate and aspartate activate this primary taste sensation.
			A)	salty
			B)	sweet
			C)	bitter
			D)	umami
			E)	sour
11			Mitral cells and tufted cells are found in the ________________.
			A)	retina
			B)	tongue
			C)	joints
			D)	olfactory bulb
12			Which type of papillae contain the most taste buds?
			A)	filiform
			B)	foliate
			C)	fungiform
			D)	vallate

16.4 Hearing and Equilibrium

13			The middle ear cavity is an air-filled chamber in which of the following bones of the skull?
			A)	sphenoid
			B)	temporal
			C)	parietal
			D)	zygomatic
14			The cranial nerve that is stimulated by sound is the
			A)	vestibulocochlear nerve.
			B)	facial nerve.
			C)	trigeminal nerve.
			D)	olfactory.
15			The structure of the ear that coordinates balance is the
			A)	semicircular ducts.
			B)	saccule.
			C)	utricle.
			D)	vestibular apparatus.

16.5 Vision

16			Which of the following is not an extrinsic muscle of the eyeball?
			A)	lateral rectus muscle
			B)	inferior oblique muscle
			C)	pupillary dilator muscle
			D)	superior rectus muscle
17			The posterior chamber of the eyeball is found in between the lens and the
			A)	cornea.
			B)	ciliary body.
			C)	iris.
			D)	retina.
18			The visual pigment of the rods is called rhodopsin. It consists of a protein called opsin and a vitamin ____ derivative called retinal.
			A)	A
			B)	B
			C)	C
			D)	D
19			The left optic tract transmits signal from
			A)	only the left eye.
			B)	only the right eye.
			C)	both the left and right eyes.
20			Which of the following is found in the rod but not the cone?
			A)	rhodopsin
			B)	photopsin
			C)	inner segment
			D)	membranous discs in the outer segment
			E)	cell body