Exam 2 Nervous System and Special Senses

Navigation » List of Schools » Los Angeles Southwest Community College » Physiology » Physiology 001 – Introduction to Human Physiology » Spring 2022 » Exam 2 Nervous System and Special Senses

Need help with your exam preparation?

Existing Quiz Clients Login here

Below are the questions for the exam with the choices of answers:

Try The Exam

Question #1

The ear ossicles are the smallest bones in the human body.

A False

B True

Question #2

________________ collects sound waves and directs them into the ear.

A tympanic membrane (eardrum)

C external acoustic meatus

D pharyngotympanic (auditory) tube

E lobule

F auricle (pinna)

Question #3

Which of the following structures is not part of the inner ear?

A semicircular canals

B vestibule of the ear

C tympanic membrane (eardrum)

D cochlea

Question #4

The _________________ is one of three ossicles in the middle ear in contact with the tympanic membrane (eardrum) that transmit sound to the rest of ossicles and inner ear.

A stapes

B incus

C malleus

Question #5

Which of the structures below provide a sense of directional balance?

A pharyngotympanic (auditory) tube

B semicircular canals

C cochlear nerve

D tympanic membrane

E cochlea

Question #6

The ___________ helps to funnel sound into the ears better.

A external acoustic meatus

B tympanic membrane

C auricle (pinna)

D Pharyngotympanic (auditory) tube

E lobule

Question #7

The ________________ links the middle ear and pharynx.

A tympanic membrane

B cochlear nerve

C semicircular canals

D pharyngotympanic tube

E cochlea

Question #8

The malleus bone is also known as the __________________.

A anvil

B chisel

C stirrup

D hammer

Question #9

The _____________is the boundary between the external and middle ear.

A cochlea

B semicircular canals

C auditory tube

D tympanic membrane

Question #10

Receptors for hearing are located in the __________________.

A cochlea

B tympanic membrane

C semicircular canals

D auditory tube

Question #11

The stapes bone is also known as the ____________.

A chisel

B stirrup

C anvil

D hammer

Question #12

The auditory tube drains the middle ear and opens up into the nasopharynx. Since the two are connected an ear infection maybe turn into a sore throat or vice versa.

A True

B False

Question #13

________________ controls the pressure within the middle ear, making it equal with the air pressure outside the body.

A auditory tube

B cochlea

C semicircular canals

D external acoustic meatus

E auditory ossicles

Question #14

The ___________ functions as an entryway for sound waves, which get propelled toward the tympanic membrane.

A auditory ossicles

B external acoustic meatus

C auditory tube

D cochlea

E semicircular canals

Question #15

The incus bone is also known as ____________.

A anvil

B chisel

C hammer

D stirrup

Question #16

Transmits sound from the air to the ossicles in the middle ear.

A cochlear nerve

B cochlea

C tympanic membrane

D semicircular canals

E auditory tube

Question #17

The middle ear functions in _______________.

A transforming sound in neural message

B balance

C both hearing and balance

D hearing

Question #18

The nerves responsible for sending information about stimuli to your central nervous system are called ____________.

A both afferent and efferent nerves

B afferent nerves

C efferent nerves

Question #19

The inner ear functions in __________________.

A balance

B controling the pressure within the middle ear, making it equal with the air pressure outside the body.

C hearing

D both hearing and balance

Question #20

What is the structure that helps the eye maintain its shape?

A retina

B vitreous humor

C iris

D cornea

E sclera

Question #21

70% of the cerebral cortex is involved in processing visual information.

A False

B True

Question #22

Light enters the eye through the __________________.

A pupil

B cornea

C optic nerve

D lens

F iris

Question #23

_________________ responsible for controlling the diameter and size of the pupil and thus the amount of light reaching the retina.

A cornea

B sclera

C lens

D choroid

E iris

Question #24

The nerves that carry signals away from the central nervous system in order to initiate an action are called ________________.

A afferent nerves

B both afferent and efferent nerves

C efferent nerves

Question #25

________________ transfers visual information from the retina to the vision centers of the brain via electrical impulses.

A iris

B vitreous humor

C sclera

D posterior segment

E optic nerve

Question #26

The ____________ change the focal distance of the eye so that it can focus on objects at various distances, thus allowing a sharp real image of the object of interest.

A iris

B vitreous humor

C pupil

D lens

E retina

Question #27

Coat of the eye that acts as a tough protection from injury, and provides attachment for the extraocular muscles that move the eye.

A vitreous humor

B cornea

C sclera

D iris

E optic nerve

Question #28

_________________ receives light that the lens has focused, convert the light into neural signals, and send these signals on to the brain for visual recognition.

A pupil

B retina

C optic nerve

D iris

E cornea

Question #29

______________ is filled with blood vessels that bring oxygen and nutrients to the eye.

A cornea

B iris

C lens

D sclera

E choroid

Question #30

_______________ shade the eyes from sunlight.

A conjunctiva

B eyelashes

C eyebrows

D eyelids

E iris

Question #31

_________________ are sensitive to being touched, thus providing a warning that an object is near the eye.

A iris

B conjunctiva

C eyelashes

D eyelids

E eyebrows

Question #32

Cranial nerve that transmits sensory information to your brain regarding smells you encounter.

A III Oculomotor

B V Trigeminal

C XII Hypoglossal

D VIII Vestibulochoclear

E I Olfactory

Question #33

Cranial nerve that controls your superior oblique muscle. This is the muscle that’s responsible for downward, outward, and inward eye movements.

A III Oculomotor

B II Optic nerve

C X Vagus

D IV Trochlear

E IX Glosopharyngeal

Question #34

Cranial nerve involve hearing and balance and track linear and rotational movement of your head.

A IV Trochlear

B VI Abducens

C XII Hypoglossal

D VIII Vestibulochoclear

E VII Facial

Question #35

Cranial nerve which stimulates voluntary movement of a muscle in the back of your throat called the stylopharyngeus used in swallowing.

A IX Glosopharyngeal

B XII Hypoglossal

C V Trigeminal

D X Vagus

E XI Accesory

Question #36

Cranial nerve used to control head movement (stimulating the sternocleidomastoid and trapezius).

A IX Glosopharyngeal

B XII Hypoglossal

C XI Accessory

D X Vagus

E V Trigeminal

Question #37

Cranial nerve used to control muscles of tongue.

A XI Accesory

B XII Hypoglossal

C X Vagus

D V Trigeminal

E IX Glosopharyngeal

Question #38

Cranial nerve used to stimulate smooth muscle of gastrointestinal tract, and heart rate.

A XI Accesory

B IX Glosopharyngeal

C XII Hypoglossal

D V Trigeminal

E X Vagus

Question #39

Cranial nerve used to stimulate facial sensation and chewing.

A XII Hypoglossal

B IX Glosopharyngeal

C XI Accesory

D X Vagus

E V Trigeminal

Question #40

The entire nerve is surrounded by a tough fibrous sheath called the _________________.

A endoneurium

B perineurium

C ectoneurium

D epineurium

Question #41

The covering of a fascicle within a nerve is the __________________________.

A epineurium

B endoneurium

C perineurium

D ectoneurium

Question #42

An axon collateral from one neuron that circles back and synapses with a previous neuron describes _____________________________.

A a converging circuit.

B parallel processing.

C a reverberating circuit.

D serial processing.

Question #43

Which of the following most immediately encases the smallest component of a nerve?

A fascicle

B perineurium

C endoneurium

D epineurium

Question #44

Which cells provide the myelin sheath for neurons in the PNS?

A oligodendrocytes

B astrocytes

C Schwann cells

D microglial cells

Question #45

Myelin on axons functions to _______________________________.

A cover nodes of Ranvier.

B speed the conduction and insulate neighboring axons from one another

C make the axons live longer.

D store nutrients (fat) for use by the neurons.

Question #46

These glial cells surround the cell bodies of sensory neurons within ganglia of the PNS.

A astrocytes

B satellite cells

C microglia

D Schwann cells

Question #47

Which relatively rare type of neuron has two processes extending from opposite sides of the cell body?

A unipolar

B bipolar

C multipolar

D pseudounipolar

Question #48

Which of the following is the correct sequence of a reflex arc?

A receptor, motor neuron, integration center, effector, sensory neuron

B effector, sensory neuron, integration center, motor neuron, receptor

C receptor, sensory neuron, integration center, motor neuron, effector

D integration center, receptor, sensory neuron, motor neuron, effector

Question #49

Which cells provide the myelin sheath for neurons in the CNS?

A astrocytes

B microglial cells

C oligodendrocyctes

D Schwann cells

Question #50

Interneurons are found ___________________________.

A only in the PNS.

B only in the autonomic nervous system.

C only in the visceral nervous system.

D only in the CNS.

Question #51

Which cells are the macrophages of the CNS?

A microglial cells

B Schwann cells

C satellite cells

D ependymal cells

Question #52

The majority of neurons in the body are _____________________.

A multipolar

B pseudounipolar

C unipolar

D bipolar

Question #53

Which of the following is not a characteristic of neurons?

A longevity

B high metabolic rate

C inability to divide

D ability to survive without oxygen

Question #54

Which of the following is NOT considered a special somatic sense?

A pain

B vision

C equilibrium

D hearing

Question #55

A somatic motor neuron carries ________________________.

A motor commands to the skeletal musculature.

B information, such as pain, from the viscera in the ventral cavity to the CNS.

C information from the skin to the CNS.

D information that signals muscle contraction in the organs in the ventral cavity.

Question #56

This neuronal region transmits electrical impulses away from the cell body.

A axon

B synapse

C axon terminal

D cell body

E dendrite

Question #57

This region of a neuron contains chromatophilic substance or Nissl bodies.

A dendrite

B cell body

C axon terminal

D axon

E synapse

Question #58

This part of the neuron may have branching collaterals.

A synapse

B axon terminal

C dendrite

D cell body

E axon

Question #59

This part of a neuron is a biosynthetic center and receptive region.

A cell body

B dendrite

C synapse

D axon

Question #60

These regions of the neuron direct electrical currents toward the cell body.

A axon

B synapse

C dendrite

D cell body

E axon terminal

Question #61

These regions of a neuron are characterized by numerous, short cytoplasmic extensions and are often referred to as receiving regions.

A dendrite

B axon

C axon terminal

D cell body

E synapse

Question #62

This region of the neuron contains a single nucleus surrounded by cytoplasm.

A cell body

B synapse

C dendrite

D axon terminal

Question #63

An axosomatic synapse occurs between the axon terminals of one neuron and the ________ of a proximal neuron.

A axon

B axon terminal

C synapse

D dendrite

E cell body

Question #64

Chemical signals diffuse between neurons at this location.

A dendrite

B axon terminal

C axon

D synapse

E cell body

Question #65

These regions of a neuron are also referred to as terminal boutons.

A synapse

B axon

C cell body

D axon terminal

E dendrite

Question #66

This tends to be the longest cytoplasmic projection from a neuron.

A dendrite

B axon

C cell body

D synapse

E axon terminal

Question #67

The _____________ of a presynaptic neuron associates with the dendrite of a postsynaptic neuron.

A dendrite

B axon

C synapse

D cell body

E axon terminal

Question #68

This is the site of communication between neurons.

A synapse

B cell body

C dendrite

D axon terminal

E axon

Try The Exam

Fresh Grad Lands Job as Real Estate Agent With Help from Professional Writers

Exam 2 Nervous System and Special Senses

Need help with your exam preparation?

Below are the questions for the exam with the choices of answers:

Christian S.

Tyra

Linda

Manush

We accept payment