Choose the best answer.

1			Which of the following nerve endings is NOT found in the skin?
			A)	Proprioceptors
			B)	Ruffini corpuscles
			C)	Tactile corpuscles
			D)	Pacinian corpuscles
			E)	Hair receptors
2			The blind spot in each visual field is a region in which ________________________
			A)	there are rod cells but no cone cells.
			B)	there are cone cells but no rod cells.
			C)	bipolar cells block light from reaching the rods and cones.
			D)	the iris casts a shadow on part of the retina.
			E)	the optic nerve leaves the eye.
3			Which of the following statements is NOT true?
			A)	Rod cells are responsible for night vision.
			B)	Cones are entirely responsible for day vision.
			C)	Cones have the visual pigment rhodopsin.
			D)	Cones have photopsins that respond to either blue, green, or orange-yellow light.
4			All receptors for _________ are confined to the head and are innervated by cranial nerves.
			A)	the special senses
			B)	somesthetic senses
			C)	proprioception
			D)	exteroception
			E)	chemoreception
5			What is the condition where the eyeball is abnormally long so that light rays focus in front of the retina?
			A)	Astigmatism
			B)	Presbyopia
			C)	Hyperopia
			D)	Myopia
6			During embryonic development, what structure does the optic stalk develop into?
			A)	The lens
			B)	The retina
			C)	The sclera
			D)	The optic nerve
7			From the list, where are taste buds located?
			A)	The organ of Corti
			B)	The filiform papillae
			C)	The vallate papillae
			D)	The lingual frenulum
8			Which of the following are the only neurons in the body to routinely undergo mitosis?
			A)	Basal cells in the taste buds
			B)	Auditory hair cells
			C)	Olfactory receptors
			D)	Bipolar cells
9			Hair cells of the cochlea are stimulated as a result of the up-and-down vibrations of _____________________
			A)	the basilar membrane.
			B)	the tectorial membrane.
			C)	the vestibular membrane.
			D)	the tympanic membrane.
10			The movement of stereocilia on the hair cells of the organ of Corti causes _______________ ions to rapidly enter the cells.
			A)	sodium
			B)	potassium
			C)	chloride
			D)	calcium
11			Which of these is NOT a classification of sensory receptors?
			A)	Modality
			B)	Origins of the stimuli
			C)	Output of the stimuli
			D)	Distribution of receptors
12			Which is NOT classified as free nerve-endings (unencapsulated)?
			A)	Noceptors (pain)
			B)	Warm
			C)	Muscle spindles
			D)	Cold
13			The area monitored by a single sensory neuron is called its __________________.
			A)	projection area
			B)	receptive field
			C)	intrafusal distribution
			D)	Golgi detectors
14			Which is NOT a cause of pain?
			A)	Tissue injury
			B)	Over stimulation of a modality
			C)	Receptor stimulation
			D)	Histamine and other chemicals
15			When the brain cannot distinguish between incoming pain signals from internal organs and the skin of the same spinal cord level, this is called _________________.
			A)	jumbled pain
			B)	phantom pain
			C)	referred pain
			D)	integumental pain
16			Which is NOT a lingual papillae of the tongue?
			A)	Vallate
			B)	Fungiform
			C)	Palataine
			D)	Folate
			E)	Filiform
17			Another name for the sense of taste is _____________________ sense.
			A)	gustatory
			B)	vallate
			C)	olfactory
			D)	lingular
18			Another name for the sense of smell is ______________________ sense.
			A)	gustatory
			B)	vallate
			C)	olfactory
			D)	lingular
19			The highest number of taste buds are located in/on the ____________________.
			A)	nose
			B)	tongue
			C)	cheeks
			D)	pharynx
20			The olfactory mucosa is populated by fascicles that reach the mucosa by penetrating the _________________.
			A)	pterigoid canal
			B)	olfactory bulb
			C)	perpendicular plate of the ethmoid bone
			D)	cribriform plate of the ethmoid bone
21			What is the name of the fleshy external ear structure used to funnel sound vibrations to the tympanic membrane?
			A)	cerumen
			B)	auricle (pinna)
			C)	auditory flap
			D)	peribolic collector
22			What is the name of the structure that divides the outer ear from the middle ear areas?
			A)	Auditory canal
			B)	Cochlea
			C)	Auditory tube
			D)	Tympanic membrane
23			Which is NOT an ossicle that bridges the middle ear area?
			A)	Incus
			B)	Cochlea
			C)	Malleus
			D)	Stapes
24			What is the name of the part of the inner ear that contains the organs of equilibrium?
			A)	Cochlea
			B)	Labyrinth
			C)	Vestibule
			D)	Modiolus
25			The organ of hearing is called the ______________________.
			A)	cochlea
			B)	labyrinth
			C)	vestibule
			D)	modiolus
26			Which is NOT a fluid-filled chamber of the cochlea?
			A)	Cochlear duct
			B)	Scala vestibule
			C)	Scala tympani
			D)	Tectorial duct
27			What is the name of the nerve that is used by the projection pathway into the brain from the organ of Corti?
			A)	Nerve of equilibrium
			B)	Cochlear nerve
			C)	Vestibular nerve
			D)	Spiral nerve
28			Which is NOT an organ of equilibrium?
			A)	Saccule
			B)	Semicircular ducts
			C)	Spiral duct
			D)	Utricle
29			What is the name of the calcium carbonate and protein structures that enhance the sense of gravity and motion?
			A)	Otholiths
			B)	Cupula
			C)	Ampulla
			D)	Vestibule
30			Which is NOT an accessory structure of the eye?
			A)	Eyebrows
			B)	Eyelashes
			C)	Orbital fat
			D)	Lacrimal apparatus
31			What is the name of the structure that carries tears into the inferior meatus of the nose?
			A)	Punctum
			B)	Nasolacrimal duct
			C)	Lacrimal caruncle
			D)	Lacrimal gland
32			Which is NOT a tunic forming the wall of the eyeball?
			A)	Tunica fibrosa
			B)	Tunica vasculosa
			C)	Tunica nerviosa
			D)	Tunica interna
33			What is the name of the adjustable structure that controls the diameter of the pupil?
			A)	Sclera
			B)	Cornea
			C)	Choroid
			D)	Iris
34			Which structure or area of the eye is NOT transparent?
			A)	Retina
			B)	Lens
			C)	Cornea
			D)	Aqueous humor
35			What is the name of the structure that contains the photo receptors called rods and cones?
			A)	Sclera
			B)	Ciliary body
			C)	Retina
			D)	Optic disc