Senses and Nervous System Test

Question 1

What is the part of the eye that gives us our eye color called?

Answer 1

Iris.

Question 2

What is the eye tissue where light is converted into an electrical message and sent to the brain called?

Answer 2

Retina.

Question 3

What is the part of the eye that controls how much light enters the eye called?

Answer 3

Pupil.

Question 4

What is the part of the eye that focuses light and flips the image when projected on the retina called?

Answer 4

Lens.

Question 5

What 2 types of cells are found in the retina of the eye?

Answer 5

Rods and Cones.

Question 6

When rod and cone cells are sending back electrical signals, they activate…

Answer 6

Interneurons.

Question 7

When interneurons are activated by rod and cone cells, they activate…

Answer 7

Ganglion cells of the optic nerve.

Question 8

In the eye, signals are sent from the optic nerve to the (1) and then to the (2).

Answer 8

1. Thalamus
2. Visual Cortex

Question 9

Sound waves are collected by the…

Answer 9

Pinna.

Question 10

Sound waves are funneled through the…

Answer 10

Ear canal.

Question 11

Sound waves vibrate the…

Answer 11

Eardrum.

Question 12

The eardrum vibrating vibrates the…

Answer 12

Hammer.

Question 13

The hammer vibrating vibrates the…

Answer 13

Anvil.

Question 14

The anvil vibrating vibrates the…

Answer 14

Stirrup.

Question 15

The stirrup vibrating vibrates the…

Answer 15

Cochlea.

Question 16

Sound waves vibrate the (1), which vibrate the (2), which vibrate the (3), which vibrate the (4), which vibrates the (5).

Answer 16

1. Eardrum
2. Hammer
3. Anvil
4. Stirrup
5. Cochlea

Question 17

Electrical signals from the ear are first sent from the auditory nerve to the…

Answer 17

Brain stem.

Question 18

The electrical signals from the ear that are received by the brain stem are later sent through the…

Answer 18

Thalamus.

Question 19

The electrical signals from the ear that are received by the thalamus are later sent to the…

Answer 19

Auditory cortex.

Question 20

Pain receptors are located where in the skin?

Answer 20

The top-most (epidermis) layer of the skin.

Question 21

Receptors that react to hot, cold, and light touch sensations are located where in the skin?

Answer 21

Further down in the middle (dermis) layer of the skin.

Question 22

Receptors that respond to strong pressure are located where in the skin?

Answer 22

Even further down in the middle (dermis) layer of the skin.

Question 23

When a light touch is applied to the skin, what type of neurons in the dermis are activated and send signals to the brain?

Answer 23

Touch-sensitive neurons.

Question 24

Signals from the skin (touch) is sent from neurons in the skin and through the…

Answer 24

Somatosensory nerve.

Question 25

Signals from the skin (touch) received by the somatosensory nerve are later sent to the...

Answer 25

Thalamus.

Question 26

Signals from the skin (touch) received by the thalamus are later sent to the...

Answer 26

Somatosensory cortex.

Question 27

When scent molecules enter the nose, some are captured in the...

Answer 27

Mucus Membrane.

Question 28

Where is the mucus membrane located?

Answer 28

The roof of the nose.

Question 29

After the scent molecules are captured in the mucus membrane, they come in contact with the...

Answer 29

Olfactory Bulb.

Question 30

Signals from the nose are sent from the olfactory bulb to the...

Answer 30

Olfactory cortex.

Question 31

What is lingual papillae?

Answer 31

The small, bulbous structures that increase the surface area of the tongue, and give the tongue its rough texture.

Question 32

Signals from the tongue are sent from taste nerves to the...

Answer 32

Brain stem.

Question 33

Signals from the tongue that are received by the brain stem are later sent through the...

Answer 33

Thalamus.

Question 34

Signals from the tongue that are received by the thalamus are later sent to the...

Answer 34

Gustatory cortex.