Question 1

The photoreceptor cells responsible for night vision are called ____________________.

Accepted Answer

rods

Question 2

Which two structures play a key role in the process of balance?

Accepted Answer

A)   Cochlea and vestibule
B)   Vestibule and malleus
C)   Cochlea and semicircular canals
D)   Vestibule and semicircular canals D

Question 3

Which of the following would cause the otoliths inside the vestibule to shift and stimulate the vestibular nerve?

Accepted Answer

A)   Sudden head rotation
B)   Bending forward at the waist
C)   Loud noises
D)   Ear wax in the external auditory canal B

Question 4

What is the center point of the retina as seen through an ophthalmoscope?

Accepted Answer

A)   Fovea centralis
B)   Macula lutea
C)   Optic disc
D)   Ciliary body

Question 5

Match each eye structure to its location or function.
a.sclera
f.ciliary body
b.cornea
g.lens
c.retina
h.anterior cavity
d.iris
i.posterior cavity
e.choroid
j.canal of Schlemm
-A thin layer of light-sensitive cells that make up the neural inner layer

Accepted Answer

The answer of Match each eye structure to its location...

Question 6

A patient comes to the hospital with a severe crush injury of the leg. He is complaining of severe pain. He also says he is feeling very nauseous and, after a few minutes, vomits. What is the best explanation for the nausea and vomiting?

Accepted Answer

A)   Chemicals released from tissues in the injured foot flooded the digestive system, producing nausea and vomiting.
B)   Nociceptors from the lower limbs travel along a similar pathway as chemical receptors from the digestive tract, causing the body to confuse the location of the stimulus.
C)   Pain signals traveling along the spinoreticular tract carried signals to the hypothalamus and limbic system, triggering nausea as a response to pain.
D)   The spinothalamic tract relayed a signal to the thalamus and postcentral gyrus, which reacted to the pain by producing nausea.

Question 7

Match each eye structure to its location or function.
a.sclera
f.ciliary body
b.cornea
g.lens
c.retina
h.anterior cavity
d.iris
i.posterior cavity
e.choroid
j.canal of Schlemm
-Large eye cavity filled with vitreous humor

Accepted Answer

The answer of Match each eye structure to its location...

Question 8

Where are the structures for hearing found?

Accepted Answer

A)   Vestibule
B)   Cochlea
C)   Semicircular canals
D)   Middle ear

Question 9

Match the name of each sensory receptor to the type of sensation detected by each.
a.chemoreceptor
d.nociceptor
b.mechanoreceptor
e.photoreceptor
c.thermoreceptor
f.proprioceptor
-React to various chemicals, including odors and tastes

Accepted Answer

The answer of Match the name of each sensory receptor...

Question 10

Drugs used to relieve pain are called ____________________.

Accepted Answer

The answer of Drugs used to relieve pain are called...

Question 11

Match each eye structure to its location or function.
a.sclera
f.ciliary body
b.cornea
g.lens
c.retina
h.anterior cavity
d.iris
i.posterior cavity
e.choroid
j.canal of Schlemm
-A ring of colored muscle that works to adjust the diameter of the pupil

Accepted Answer

The answer of Match each eye structure to its location...

Question 12

A patient comes to the emergency department complaining of a dull, aching pain in his lower abdomen. He is experiencing pain carried on

Accepted Answer

A)   fast pain fibers.
B)   slow pain fibers.
C)   nociceptors.
D)   the spinoreticular tract.

Question 13

The curvature of the lens of the eye changes shape to allow the eye to focus on a near object; this is called

Accepted Answer

A)   refraction.
B)   accommodation.
C)   convergence.
D)   emmetropia.

Question 14

Match the name of each sensory receptor to the type of sensation detected by each.
a.chemoreceptor
d.nociceptor
b.mechanoreceptor
e.photoreceptor
c.thermoreceptor
f.proprioceptor
-Respond to tissue damage; also known as pain receptors

Accepted Answer

The answer of Match the name of each sensory receptor...

Question 15

What would happen if the canal of Schlemm becomes obstructed?

Accepted Answer

A)   The flow of aqueous humor from the posterior to the anterior cavity would cease, and pressure in the anterior cavity would drop.
B)   The flow of aqueous humor out of the anterior chamber would cease, and pressure in the anterior chamber would rise.
C)   The flow of aqueous humor out of the posterior chamber would cease, and pressure within the posterior chamber would drop.
D)   The flow of aqueous humor into the anterior cavity would cease, and pressure in the anterior cavity would rise.

Question 16

Match the name of each sensory receptor to the type of sensation detected by each.
a.chemoreceptor
d.nociceptor
b.mechanoreceptor
e.photoreceptor
c.thermoreceptor
f.proprioceptor
-Respond to factors such as pressure or stretch that change the position of a receptor

Accepted Answer

The answer of Match the name of each sensory receptor...

Question 17

Which of the following is a structure of the middle ear?

Accepted Answer

A)   Semicircular canal
B)   Vestibule
C)   Malleus
D)   Cochlea

Question 18

Match the name of each sensory receptor to the type of sensation detected by each.
a.chemoreceptor
d.nociceptor
b.mechanoreceptor
e.photoreceptor
c.thermoreceptor
f.proprioceptor
-Allow you to orient your body in space and to know the position of your body parts

Accepted Answer

The answer of Match the name of each sensory receptor...

Question 19

Match each eye structure to its location or function.
a.sclera
f.ciliary body
b.cornea
g.lens
c.retina
h.anterior cavity
d.iris
i.posterior cavity
e.choroid
j.canal of Schlemm
-Changes shape for near and far vision

Accepted Answer

The answer of Match each eye structure to its location...

Question 20

The sensations of pressure, touch, stretch, and temperature are known as ____________________ senses.

Accepted Answer

The answer of The sensations of pressure, touch, stretch, and...

Exam 11: Sense Organs

The photoreceptor cells responsible for night vision are called ____________________.

Which two structures play a key role in the process of balance?

Which of the following would cause the otoliths inside the vestibule to shift and stimulate the vestibular nerve?

What is the center point of the retina as seen through an ophthalmoscope?

Match each eye structure to its location or function. a.sclera f.ciliary body b.cornea g.lens c.retina h.anterior cavity d.iris i.posterior cavity e.choroid j.canal of Schlemm -A thin layer of light-sensitive cells that make up the neural inner layer

A patient comes to the hospital with a severe crush injury of the leg. He is complaining of severe pain. He also says he is feeling very nauseous and, after a few minutes, vomits. What is the best explanation for the nausea and vomiting?

Match each eye structure to its location or function. a.sclera f.ciliary body b.cornea g.lens c.retina h.anterior cavity d.iris i.posterior cavity e.choroid j.canal of Schlemm -Large eye cavity filled with vitreous humor

Where are the structures for hearing found?

Match the name of each sensory receptor to the type of sensation detected by each. a.chemoreceptor d.nociceptor b.mechanoreceptor e.photoreceptor c.thermoreceptor f.proprioceptor -React to various chemicals, including odors and tastes

Drugs used to relieve pain are called ____________________.

Match each eye structure to its location or function. a.sclera f.ciliary body b.cornea g.lens c.retina h.anterior cavity d.iris i.posterior cavity e.choroid j.canal of Schlemm -A ring of colored muscle that works to adjust the diameter of the pupil

A patient comes to the emergency department complaining of a dull, aching pain in his lower abdomen. He is experiencing pain carried on

The curvature of the lens of the eye changes shape to allow the eye to focus on a near object; this is called

Match the name of each sensory receptor to the type of sensation detected by each. a.chemoreceptor d.nociceptor b.mechanoreceptor e.photoreceptor c.thermoreceptor f.proprioceptor -Respond to tissue damage; also known as pain receptors

What would happen if the canal of Schlemm becomes obstructed?

Match the name of each sensory receptor to the type of sensation detected by each. a.chemoreceptor d.nociceptor b.mechanoreceptor e.photoreceptor c.thermoreceptor f.proprioceptor -Respond to factors such as pressure or stretch that change the position of a receptor

Which of the following is a structure of the middle ear?

Match the name of each sensory receptor to the type of sensation detected by each. a.chemoreceptor d.nociceptor b.mechanoreceptor e.photoreceptor c.thermoreceptor f.proprioceptor -Allow you to orient your body in space and to know the position of your body parts

Match each eye structure to its location or function. a.sclera f.ciliary body b.cornea g.lens c.retina h.anterior cavity d.iris i.posterior cavity e.choroid j.canal of Schlemm -Changes shape for near and far vision

The sensations of pressure, touch, stretch, and temperature are known as ____________________ senses.