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Unit 4 Test (Modules 7-10) March 27, 2020

Diagram Matching

For each term or description, choose the best matching letter on the corresponding diagram.

Brain Diagram A (Questions 1 – 7)

frontal lobe

temporal lobe

occipital lobe

motor cortex

somatosensory cortex

parietal lobe

cerebellum

Brain Diagram B (Questions 8 – 11)

thalamus

helps coordinate voluntary movements and balance

medulla

connects the two brain hemispheres and carries messages between them

Eye Diagram (Questions 12-19)

nerve that carries visual information from the eye to the occipital lobes of the brain

pupil

clear bulge on the front of the eyeball; begins to focus the light and protects the eye

fovea

transparent structure behind the pupil that changes thickness to focus images on the retina

blind spot

ring of muscle tissue that forms the colored portion of the eye; regulates the size of the pupil

light-sensitive surface at the back of the eye-ball; contains rods and cone cells

Ear Diagram (Questions 20-24)

auditory canal

auditory nerve

tympanic membrane

cochlea

ossicles (hammer, anvil, and stirrup)

Multiple Choice

1) Synapses are located between

a) the soma and the axon of a neuron

b) the pituitary gland and the hypothalamus

c) the soma and the axon terminals of a neuron

d) the axon terminals of one neuron and the dendrites of another

2) The basic building blocks (communication tools) of the nervous system are

a) neurons

b) medullas

c) hormones

d) glands

3) The part of the brain where visual perceptions are processed is the

a) parietal lobe

b) occipital lobe

c) temporal lobe

d) frontal lobe

4) Which of the following is NOT a structure in the ear?

a) cochlea

b) oval window

c) fovea

d) auditory nerve

5) The all-or-none principle states that

a) a neuron always fires with the same intensity; neurons either fire or they don’t fire

b) neurotransmitters are found in all neural chains

c) all live humans have firing neurons

d) all the brain can do is determine a course of action, none of our behaviors are performed directly by the brain

6) Nita was an exceptional dancer, and all of her friends loved watching her perform on the dance floor. After a bad fall in which she hit the back of her head, Nita was able to move her legs but she could no longer dance gracefully. She probably damaged her

a) reticular formation

b) cerebellum

c) occipital lobes

d) somatosensory cortex

7) Alice hands out daily newspapers to patients at a local hospital. When she offers papers to some of the patients who have had strokes, something curious happens – they hear and understand what she says to them and they nod their heads, but they cannot form the word “yes.” These patients may have suffered damage to ______________________ in their left hemisphere.

a) the visual cortex

b) the auditory cortex

c) Broca’s area

d) Wernicke’s area

8) The chemical messengers of the Nervous System are

a) neurotransmitters

b) hormones

c) agonists

d) antagonists

9) Studies of patients who had undergone split-brain surgery to cure symptoms of severe epilepsy were especially important in demonstrating the role of the two hemispheres and the way that

a) the corpus callosum transfers information from one hemisphere to the other

b) the corpus callosum blocks information that would otherwise travel from one hemisphere to the other

c) either hemisphere can take over the functions of the other hemisphere if damage occurs

d) people can function with only two of the four lobes of the brain intact

10) __________ refers to the brain’s ability to reorganize and take on new functions if necessary after damage, especially in young children.

a) brain scanning

b) cross wiring

c) absolute threshold

d) plasticity

11) Which of the following is NOT one of the three opponent pairs that make up the opponent-process theory?

a) red-green

b) yellow-blue

c) orange-purple

d) black-white

12) This theory of color vision says that cones are “tuned” to detect red, green, or blue light.

a) trichromatic theory

b) opponent-process theory

c) volley theory

d) frequency theory

13) This theory of sound says that we tell the difference between different types of sounds due to the location on the cochlea that the waves vibrate.

a) volley theory

b) opponent-process theory

c) frequency theory

d) place theory

14) This theory of sound says that we tell the difference between different types of sounds based on the frequency with which the cochlea is vibrated.

a) volley theory

b) opponent-process theory

c) frequency theory

d) place theory

15) This theory of sound says that we tell the difference between different types of sounds because the sensory neurons in the cochlea (the hair cells) fire in groups.

a) volley theory

b) opponent-process theory

c) frequency theory

d) place theory

16) What is the term for misinterpreting sensory stimuli?

a) illusions

b) perceptual set

c) extrasensory perception

d) plasticity

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