Question 1

The parasympathetic nervous system inhibits the rate of heartbeat.

Accepted Answer

A) True 
 B)False  True

Question 2

What happens when there is deflection of the basilar membrane

Accepted Answer

A)  The receptors of the organ of Corti are activated.
B)  The stapes rock backward.
C)  The round window displaces.
D)  The tympanic membrane displaces. A

Question 3

Match the ear parts, labelled a. through e., with their characteristics. (Options may be used more than once or not at all.)
-contains otoliths in gelatinous mass, movement of which bends hair cells

Accepted Answer

A)  external ear
B)  middle ear
C)  cochlea in the inner ear
D)  semicircular canal in the inner ear
E)  utricle and saccule in the inner ear E

Question 4

Night blindness develops from a deficiency of vitamin ____________________.

Accepted Answer

The answer of Night blindness develops from a deficiency of...

Question 5

Match the structures, labelled a. through h., with their proper sequence of involvement in the visual pathway.
-fifth

Accepted Answer

A)  bipolar neurons
B)  optic nerve
C)  lateral geniculate nucleus
D)  rods and cones
E)  visual cortexF) optic tractsG) ganglion cellsH) optic radiations

Question 6

Sympathetic and parasympathetic activity at the salivary glands is antagonistic.

Accepted Answer

A) True 
 B)False

Question 7

Match the part of the autonomic nervous system, labelled a. through d., with its description(s). (Options may be used more than once or not at all.)
-preganglionic fibre that secretes norepinephrine

Accepted Answer

A)  sympathetic nervous system
B)  parasympathetic nervous system
C)  both sympathetic and parasympathetic nervous system
D)  neither sympathetic nor parasympathetic nervous system

Question 8

Match the divisions, labelled a. through d., with the anatomical and physiological autonomic features. (Options may be used more than once or not at all.)
-preganglionic fibres and postganglionic fibres that synapse in the intramural ganglia

Accepted Answer

A)  parasympathetic division
B)  sympathetic division
C)  both parasympathetic and sympathetic divisions
D)  neither parasympathetic nor sympathetic divisions

Question 9

Which of the following is caused by fluid movement in the cochlea

Accepted Answer

A)  displacement of the oval window, which dissipates pressure
B)  deflection of the tympanic membrane
C)  bending of the hairs of the receptor cells of the organ of Corti
D)  displacement of the ear tube

Question 10

The amplitude of sound waves is interpreted as the pitch of the sound.

Accepted Answer

A) True 
 B)False

Question 11

In hyperopia the far source is focused on the retina with accommodation, and the near source is focused behind the retina.

Accepted Answer

A) True 
 B)False

Question 12

Rods and cones synapse with ____________________ cells that, in turn, synapse with ganglion cells before entering the optic nerve.

Accepted Answer

The answer of Rods and cones synapse with ____________________ cells...

Question 13

Match the receptors, labelled a. through d., with their function.
-generates action potentials in afferent neuron by opening voltage-gated Na⁺ channels

Accepted Answer

A)  tonic receptor
B)  phasic receptor
C)  specialized receptor ending of afferent neuron
D)  separate cell serving as a receptor

Question 14

Which of these statements accurately applies to hearing

Accepted Answer

A)  The pitch of sounds is conveyed by the intensity of the vibration of the oval window.
B)  Conduction deafness is a result of damage to the hair cells of the inner ear.
C)  Low-pitched tones selectively cause vibration of the basilar membrane at a point closer to the oval window than high-pitched ones do.
D)  The loudness of a sound is conveyed by the frequency of action potentials generated in the cochlear nerve.

Question 15

Sour taste is caused by the hydrogen ions from acids.

Accepted Answer

A) True 
 B)False

Question 16

Match the structures, labelled a. through h., with their proper sequence of involvement in the visual pathway.
-first

Accepted Answer

A)  bipolar neurons
B)  optic nerve
C)  lateral geniculate nucleus
D)  rods and cones
E)  visual cortexF) optic tractsG) ganglion cellsH) optic radiations

Question 17

Sound waves pass through which one of these structures first

Accepted Answer

A)  cochlear duct
B)  scala media
C)  scala tympani
D)  scala vestibuli

Question 18

Cones are more abundant than rods throughout the entire retina.

Accepted Answer

A) True 
 B)False

Question 19

Match the eye disorders, labelled a. through i., with their descriptions. (Options may be used more than once or not at all.)
-images from two eyes not fused within cortex

Accepted Answer

A)  colour blindness
B)  night blindness
C)  glaucoma
D)  hyperopia
E)  diplopiaF) presbyopiaG) myopiaH) cataractI) astigmatism

Question 20

Which statement does NOT describe cones

Accepted Answer

A)  They are used for day vision.
B)  They are very sensitive to light.
C)  They exhibit high acuity.
D)  They are concentrated in the fovea.

Exam 4: The Peripheral Nervous System: Sensory, Autonomic, Somatic

The parasympathetic nervous system inhibits the rate of heartbeat.

What happens when there is deflection of the basilar membrane

Match the ear parts, labelled a. through e., with their characteristics. (Options may be used more than once or not at all.) -contains otoliths in gelatinous mass, movement of which bends hair cells

Night blindness develops from a deficiency of vitamin ____________________.

Match the structures, labelled a. through h., with their proper sequence of involvement in the visual pathway. -fifth

Sympathetic and parasympathetic activity at the salivary glands is antagonistic.

Match the part of the autonomic nervous system, labelled a. through d., with its description(s) . (Options may be used more than once or not at all.) -preganglionic fibre that secretes norepinephrine

Match the divisions, labelled a. through d., with the anatomical and physiological autonomic features. (Options may be used more than once or not at all.) -preganglionic fibres and postganglionic fibres that synapse in the intramural ganglia

Which of the following is caused by fluid movement in the cochlea

The amplitude of sound waves is interpreted as the pitch of the sound.

In hyperopia the far source is focused on the retina with accommodation, and the near source is focused behind the retina.

Rods and cones synapse with ____________________ cells that, in turn, synapse with ganglion cells before entering the optic nerve.

Match the receptors, labelled a. through d., with their function. -generates action potentials in afferent neuron by opening voltage-gated Na⁺ channels

Which of these statements accurately applies to hearing

Sour taste is caused by the hydrogen ions from acids.

Match the structures, labelled a. through h., with their proper sequence of involvement in the visual pathway. -first

Sound waves pass through which one of these structures first

Cones are more abundant than rods throughout the entire retina.

Match the eye disorders, labelled a. through i., with their descriptions. (Options may be used more than once or not at all.) -images from two eyes not fused within cortex

Which statement does NOT describe cones