16.1 Properties and Types of Sensory Receptors

1			Tonic receptors adapt slowly. Which of the following are tonic receptors?
			A)	olfactory receptors
			B)	proprioceptors
			C)	Meissner corpuscles
			D)	pacinian corpuscles
2			Which of the following are pain receptors?
			A)	interoceptors
			B)	nociceptors
			C)	thermoreceptors
			D)	photoreceptors

16.2 The General Senses

3			This type of encapsulated nerve endings are proprioceptors.
			A)	Krause end bulbs
			B)	lamellated corpuscles
			C)	Merkel discs
			D)	Ruffini corpuscles
4			Within the CNS, the neurotransmitter most well known for transmitting pain messages specifically is
			A)	substance P.
			B)	bradykinin.
			C)	enkephalin.
			D)	endorphin.

16.3 The Chemical Senses

5			Which papillae do not contain taste buds?
			A)	lingual
			B)	circumvallate
			C)	filiform
			D)	fungiform
6			People are most sensitive to this type of flavor because poisons often have this favor.
			A)	bitter
			B)	sweet
			C)	sour
			D)	salty

16.4 Hearing and Equilibrium

7			The threshold for pain caused by loud sounds is
			A)	20 to 30 dB.
			B)	60 to 80 dB.
			C)	80 to 100 dB.
			D)	120 to 140 dB.
8			The otoliths are found in the
			A)	semicircular canals.
			B)	macula.
			C)	organ of Corti.
			D)	crista.

16.5 Vision

9			Focusing on a nearby object requires
			A)	pupillary dilation.
			B)	accommodation.
			C)	light adaptation.
			D)	duplicity.
10			The structure in the lacrimal apparatus that produces tears is the
			A)	lacrimal gland.
			B)	lacrimal punctum.
			C)	lacrimal sac.
			D)	nasolacrimal duct.