Deck 10: Perceptual Systems and Motor Control

Question 1

Which part of the eye is also part of the CNS?

A) Iris
B) Retina
C) Lens
D) Cornea

Answer 1

Retina

Question 2

Rods have:

A) high acuity and are colour sensitive.
B) high acuity and are monochromatic.
C) low acuity and are colour sensitive.
D) low acuity and are monochromatic.

Answer 2

low acuity and are monochromatic.

Question 3

Receptive fields are divided into the following regions:

A) Up and down.
B) Black and white.
C) On and off.
D) Outside and inside.

Answer 3

On and off.

Question 4

What is lateral inhibition?

A) When one neuron inhibits the neuron next to it.
B) When the frontal lobe inhibits visual information.
C) When the receptive fields are turned off.
D) When the eyes are closed and visual information is reduced.

Question 5

Because we have two eyes we have two slightly different images to each eye, and this is called:

A) telescopic vision.
B) monocular vision.
C) microscopic vision.
D) binocular vision.

Question 6

The point at which the visual fields cross is called:

A) the optic nerve.
B) the optic chiasm.
C) the lateral geniculate nucleus.
D) the medial geniculate nucleus.

Question 7

The six structures of the LGN can be divided into:

A) simple and complex cells.
B) magnocelluar layer and parvocellular layer.
C) hypercolumns.
D) rods and cones.

Question 8

Simple cells have:

A) on and off areas that are circular.
B) on and off areas that are mixed together.
C) on and off areas that respond to straight lines.
D) on and off areas that respond to black or white.

Question 9

Which of the following is an ossicle?

A) Malleus
B) Incus
C) Staples
D) All of the above

Question 10

Before auditory information arrives at the auditory cortex, it has to go via:

A) the MGN and superior colliculus.
B) the LGN and superior colliculus.
C) the MGN and inferior colliculus.
D) the LGN and inferior colliculus.

Question 11

Which regions of the brain process the emotional impact during olfaction?

A) Medial dorsal nucleus and orbitofrontal cortex
B) Medial dorsal nucleus and amygdala
C) Medial dorsal nucleus and olfactory bulb
D) Amygdala and limbic system

Question 12

Which other system uses the auditory nerve?

A) Extrapyramidal system
B) Pyramidal system
C) Vestibular system
D) Gustatory system

Question 13

Sour tastes are produced by:

A) activating Na+ channels.
B) blocking Na+ channels.
C) activating K+ channels.
D) blocking K+ channels.

Question 14

Our own analgesic system uses:

A) endorphins.
B) morphine.
C) dopamine.
D) noradrenaline.

Question 15

Which sensory system does not have to go via the thalamus to access the cortex?

A) Olfaction
B) Audition
C) Gustatory perception
D) Visual perception

Question 16

The anterior lateral pathways comprise of:

A) the spinoreticular tract and spinotectal tract.
B) the spinoreticular tract and spinothalamic tract.
C) the spinotectal tract and spinothalamic tract.
D) the spinoreticular tract, spinotectal tract and spinothalamic tract.

Question 17

The extrapyramidal system consists of:

A) the limbic system and hippocampus.
B) the amydala and cerebellum.
C) the basal ganglia and cerebellum.
D) the basal ganglia and corpus collosum.

Question 18

Parkinson's Disease is characterized by a loss of DA in the:

A) mesolimbic pathway.
B) nigrostriatal pathway.
C) tuberinfundibular Pathway.
D) striatopallidal pathway.

Question 19

Neuromuscular junctions use:

A) Ach.
B) DA.
C) GABA.
D) NA.