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POST Dissection Quiz (Cow Eye and Sheep Brain)

Total questions: 122

Worksheet time: 2hrs 18mins

Name
Class
Date
1.

Which part of the sheep brain is primarily responsible for coordinating voluntary movements and maintaining balance?

a)

Medulla Oblongata

b)

Cerebellum

c)

Thalamus

d)

Hypothalamus

2.

Compare the size of the olfactory bulb in sheep brains to that in human brains and explain the significance of this difference.

a)

The olfactory bulb is larger in sheep, indicating a stronger reliance on the sense of smell.

b)

The olfactory bulb is smaller in sheep, indicating a lesser reliance on the sense of smell.

c)

The olfactory bulb is the same size in both, indicating similar reliance on the sense of smell.

d)

The olfactory bulb is absent in sheep, indicating no reliance on the sense of smell.

3.

Identify the structure in the sheep brain that connects the two cerebral hemispheres.

a)

Corpus Callosum

b)

Pons

c)

Amygdala

d)

Hippocampus

4.

Explain how the structure of the sheep brain's cerebrum differs from that of the human brain and the implications of these differences on cognitive abilities.

a)

The sheep cerebrum is more convoluted, indicating higher cognitive abilities.

b)

The sheep cerebrum is less convoluted, indicating lower cognitive abilities.

c)

The sheep cerebrum is the same as the human cerebrum, indicating similar cognitive abilities.

d)

The sheep cerebrum is larger, indicating higher cognitive abilities.

5.

Which brain region is primarily involved in regulating autonomic functions such as heart rate and breathing in the sheep brain?

a)

Cerebellum

b)

Medulla Oblongata

c)

Thalamus

d)

Hippocampus

6.

Analyze the role of the thalamus in the sheep brain and how it integrates sensory information.

a)

The thalamus processes and relays sensory information to the cerebral cortex.

b)

The thalamus generates motor commands for voluntary movements.

c)

The thalamus regulates emotional responses and memory.

d)

The thalamus controls autonomic functions like heart rate.

7.

Which pathway in the sheep brain is responsible for transmitting visual information from the retina to the brain?

a)

Optic Nerve

b)

Auditory Nerve

c)

Olfactory Tract

d)

Spinal Cord

8.

Evaluate the significance of the hippocampus in the sheep brain in terms of memory formation and spatial navigation.

a)

The hippocampus is crucial for processing auditory information.

b)

The hippocampus is involved in regulating autonomic functions.

c)

The hippocampus plays a key role in memory formation and spatial navigation.

d)

The hippocampus is responsible for voluntary motor control.

9.

Identify the primary function of the hypothalamus in the sheep brain.

a)

Regulating emotional responses

b)

Controlling voluntary movements

c)

Maintaining homeostasis and regulating endocrine functions

d)

Processing visual information

10.

Discuss the comparative size and function of the cerebellum in sheep and humans, and how this reflects their respective motor skills and balance.

a)

The cerebellum is larger in sheep, indicating superior motor skills and balance.

b)

The cerebellum is smaller in sheep, indicating less complex motor skills and balance.

c)

The cerebellum is the same size in both, indicating similar motor skills and balance.

d)

The cerebellum is absent in sheep, indicating no motor skills and balance.

11.

Label these brain features

a)Left cerebral hemisphere
b)Right cerebral hemisphere
c)Cerebellum
1
2
3
1)
2)
3)
12.

Match the following

a)
1.

Longitudinal fissure

b)
2.

Pineal gland/body

c)
3.

Arbor vitae

d)
4.

Hypothalamus

e)
5.

Thalamus

13.

The "grooves", or valleys, on the surface of the brain, are called ______.

a)

Gyri

b)

Sulci

c)

Cerebri

d)

Cerebelli

14.

Identify the Corpus Callosum.

a)

D

b)

E

c)

K

d)

T

15.

Identify the Medulla Oblongata

a)

A

b)

C

c)

J

d)

K

16.

A convoluted ridge or fold between anatomical grooves.

a)

Gyrus

b)

Sulcus

c)

Central Sulcus

d)

Lobe

17.
Controls vital functions such as breathing and heart rate
a)
Diencephalon
b)
Frontal Lobe
c)
Brain Stem
d)
Cerebellum
18.

What part is #2

a)

Cerebrum

b)

Cerebellum

c)

Spinal cord

d)

Brain stem

19.

What part is #1

a)

Cerebrum

b)

Parietal lobe

c)

Longitudinal fissure

d)

Dura mater

20.

What part is #3

a)

Frontal lobe

b)

Occipital lobe

c)

Parietal lobe

d)

Temporal lobe

21.

What part is #4

a)

Central sulcus

b)

Longitudinal fissure

c)

Meninges

d)

Cerebrum

22.

What part is #5

a)

Parietal lobe

b)

Frontal lobe

c)

Temporal lobe

23.

What part is #6

a)

Occipital lobe

b)

Central sulcus

c)

Brain stem

d)

Parietal lobe

24.

What part is #7

a)

Temporal lobe

b)

Spinal cord

c)

Corpus callosum

d)

Medulla oblongata

25.

What part is #8

a)

Brain stem

b)

Spinal cord

c)

Medulla

d)

Cerebellum

26.

What part is #9

a)

Spinal cord

b)

Brains stem

c)

Cerebellum

d)

Oc

27.

What part is #10

a)

Longitudinal fissure

b)

Parietal lobe

c)

Occipital lobe

d)

Cerebrum

28.

The gyris are

a)

Are folds of the superficial tissue

b)

The grooves found Between

29.

The sulci are

a)

The folds of the superficial tissue

b)

The grooves

30.

What is #1

a)

Cerebrum

b)

Cerebellum

c)

Corpus callosum

d)

CSF

31.

What # is the cerebellum

a)

12

b)

3

c)

2

d)

14

32.

What # is the arbor vitae (tree of life)

a)

2

b)

16

c)

3

d)

13

33.

What #is the corpus callosum

a)

6

b)

5

c)

7

d)

4

34.

What part is # 7

a)

Thalamus

b)

Hypothalamus

c)

Pineal body

d)

Pons

35.

What part is #8

a)

Infundibulum

b)

Thalamus

c)

Pineal body

d)

Hypothalamus

36.

What part is #9

a)

Pons

b)

Mammillary body

c)

Mid brain

d)

Thalamus

37.

What part is #10

a)

Pineal body

b)

Brain

c)

Pons

d)

Fourth ventricle

38.

Midbrain

a)

7

b)

11

c)

16

d)

13

39.

Cerebral aqueduct

a)

16

b)

9

c)

13

d)

1

40.

Pons

a)

14

b)

15

c)

35

d)

2

41.

Medulla oblongata

a)

5

b)

20

c)

15.5

d)

15

42.

Identify the Cerebellum.

a)

A

b)

B

c)

G

d)

H

43.

Identify the Frontal Lobe.

a)

B

b)

M

c)

N

d)

S

44.

Identify the Temporal Lobe.

a)

B

b)

M

c)

O

d)

S

45.

Identify the Occipital Lobe.

a)

B

b)

M

c)

O

d)

S

46.

Identify the Olfactory Bulbs.

a)

A

b)

C

c)

K

d)

R

47.

Identify the Brain Stem.

a)

A

b)

C

c)

K

d)

L

48.

Identify the Spinal Cord.

a)

A

b)

C

c)

D

d)

L

49.

Identify the Thalamus.

a)

B

b)

C

c)

E

d)

F

50.

Identify the Pinal Gland.

a)

B

b)

C

c)

E

d)

F

51.

Identify the Midbrain.

a)

C

b)

D

c)

K

d)

F

52.

Identify the Medulla.

a)

A

b)

C

c)

J

d)

K

53.

a)

brain stem

b)

cerebellum

c)

cerebrum

54.

A is

a)

white matter

b)

gray matter

55.
what controls your balance ?!
a)
thalamus 
b)
cerebellum
c)
basal ganglia
d)
frontal lobes
56.

The brain's "sensory relay station":  directs sensory messages to proper area of the brain

a)
thalamus
b)
hypothalamus
c)
hippocampus
d)
reticular formation
57.

Controls motivational behaviors, including: hunger, fight-flight response

a)
Hippocampus
b)
Amygdala
c)
Reticular Formation
d)
Hypothalamus
58.
As the result of a stroke, a man has lost his ability to plan, make decisions, and set goals. Which lobe has been damaged?
a)
FRONTAL LOBE
b)
PARIETAL LOBE
c)
OCCIPITAL LOBE
d)
THE BROCA'S AREA
59.
You actually do 'have eyes in the back of your head' because this region of the brain responsible for visual processing is right above the cerebellum!
a)
temporal lobe
b)
sensory cortex
c)
occipital lobe
d)
gyri
60.

Match the following

a)

Frontal Lobe

1.

Involved in reasoning and speaking

b)

Parietal Lobe

2.

Processes Temperature and Pain

c)

Temporal Lobe

3.

Hearing and Memory

d)

Occipital Lobe

4.

Visual Information

e)

Cerebrum

5.

Contains 4 lobes and is the largest part of the brain

61.
The cerebellum controls
a)
breathing, coordination and balance
b)
balance, coordination and temperature
c)

coordination and balance and muscle tone

d)
heart rate and coordination
62.

The part of the brain that controls higher mental activities such as learning, perception, memory  and making decisions also controls body temperature

a)
cerebellum
b)
cerebrum
c)
thalamus
d)
midbrain
63.

Pick three difference between a sheep and a human brain is

a)

The occipital lobe in the human brain controls sight; in a sheep, the parietal controls it

b)

The sheep's olfactory bulb is larger relative to the humans

c)

A sheep's frontal lobe is proportionally smaller than a human's frontal lobe

d)

A humans brain stem points downward (vertically) while a sheep's points backward (horizontally)

64.

Which of these is a similarity between the human and sheep brains?

a)

The wrinkling in the human brain and sheep brain are of similar depth and number.

b)

The lobes of both brains are in the same general locations.

c)

The olfactory bulbs in both brains are located below the temporal lobe.

d)

The corpus callosum in both brains is located in the brain stem.

65.

tough outermost meninge that encloses the brain and spinal cord

a)

dura mater

b)

arachnoid

c)

pia mater

66.
What is this?
a)
Pons
b)
Medulla Oblongata
c)
Cerebellum
d)
Hypothalamus
67.

Brain stem consist of

a)

mid brain

b)

pons

c)

medulla oblongata

d)

cerebellum

68.

What is the purpose of the sulcus and gyrus?

a)

decrease SA and increase brain activity

b)

increase SA and increase brain activity

c)

decrease SA and decrease brain activity

d)

increase SA and decrease brain activity

69.

What was the purpose of the longitudinal fissure?

a)

separates the brain into 2 hemispheres right and left

b)

separates the brain into 2 hemispheres front and back

c)

separates the brain into 3 hemispheres front, middle and back

d)

separates the brain into 3 hemispheres left, middle and right

70.

A clear fluid that helps the cornea keep its rounded shape

a)

aqueous humor

b)

blind spot

c)

cones

d)

cornea

71.

A clear fluid that helps the cornea keep its rounded shape

a)

aqueous humor

b)

blind spot

c)

cones

d)

cornea

72.

The place where all nerves from the retina join to form the optic nerve. Each eye has a _____ _____ where there are no light-sensitive cells

a)

aqueous humor

b)

blind spot

c)

cones

d)

cornea

73.

A tough, clear covering over the iris and the pupil that helps protect the eye. Light bends as it passes through the _______ before making its way to the lens.

a)

aqueous humor

b)

blind spot

c)

cones

d)

cornea

74.

A muscle that controls how much light enters the eye. It is suspended between the cornea and the lens. Human ________ come in many colors, including brown, blue, green, and gray.

a)

iris

b)

lens

c)

myelin

d)

optic nerve

75.

A clear flexible structure that makes an image on the eye’s retina. The _____ is flexible so that it can change shape, focusing on objects that are close up and objects that are far away.

a)

iris

b)

lens

c)

myelin

d)

optic nerve

76.

The bundle of nerve fibers that carry information from the retina to the brain.

a)

iris

b)

lens

c)

myelin

d)

optic nerve

77.

The _________ is the dark circle in the center of your iris. It’s a hole that lets light into the inner eye.

a)

pupil

b)

retina

c)

rods

d)

sclera

78.

The layer of light-sensitive cells at the back of the eye. The _________ detects images focused by the cornea and the lens and is connected to the brain by the optic nerve.

a)

pupil

b)

retina

c)

rods

d)

sclera

79.

The thick, tough, white outer covering of the eyeball.

a)

pupil

b)

retina

c)

rods

d)

sclera

80.

The colorful, shiny material located behind the retina. Found in animals with good night vision, the ________ reflects light back through the retina.

a)

tapetum

b)

vitreous humor

81.

The thick clear jelly that helps give the eyeball its shape

a)

aqueous humor

b)

vitreous humor

82.

This structure is in human eyes

a)

False

b)

True

83.

Identify #1

a)

Choroid

b)

Cornea

c)

Pupil

d)

Sclera

84.

Identify #2

a)

Choroid

b)

Cornea

c)

Pupil

d)

Sclera

85.

Identify #4.

a)

cornea

b)

Iris

c)

Pupil

d)

Tapetum Lucidum

86.

Identify #5.

a)

Ciliary Body

b)

Iris

c)

Pupil

d)

Tapetum Lucidum

87.

Identify # 11.

a)

Iris

b)

Lens

c)

Pupil

d)

Retina

88.

Identify #3.

a)

Choroid

b)

Ciliary Body

c)

Optic Nerve

d)

Tapetum Lucidum

89.

Identify #9 the reflective colorful part at the back of the eye.

a)

Ciliary Body

b)

Optic Nerve

c)

Tapetum Lucidum

d)

Vitreous Humor

90.

Identify #10 the balloon like material that holds the liquid of the vitreous humor.

a)

Choroid

b)

Cornea

c)

Retina

d)

Sclera

91.

What is the jelly-like fluid that occupies the middle of the eye is the:

a)

Tears

b)

Vitreous humor

c)

Saline solution

d)

Blood

92.

Where is the lens in relation to the cornea?

a)

In front of the cornea

b)

Behind the cornea

c)

Next to the cornea

d)

Inside the cornea

93.

The blind spot occurs where the _____ exits the eye.

a)

tapetum

b)

optic nerve

c)

cornea

d)

muscles

94.

The opening in the middle of the iris is called the:

a)

Pupil

b)

Cornea

c)

Lens

d)

Sclera

95.

How many muscles does a cow's eye have?

a)

Six

b)

Four

c)

Two

d)

Eight

96.

What is the primary function of the fat around the cow's eye?

a)

To move the eye

b)

To protect the eye

c)

To cushion the eye

d)

To provide nutrients

97.

What is the cornea's role in the eye?

a)

To focus light

b)

To protect the eye and bend light

c)

To give the eye its color

d)

To detect light

98.

What is the aqueous humor's function?

a)

To detect color

b)

To bring nutrients to the eye

c)

To cushion the eye

d)

To move the eye

99.

What part of the eye gives it its color?

a)

Retina

b)

Iris

c)

Lens

d)

Cornea

100.

What is the main difference between a cow's iris and a human's iris?

a)

Cow's iris is round, human's is oval

b)

Cow's iris is oval, human's is round

c)

Cow's iris is larger

d)

Human's iris is larger

101.

What is the vitreous humor composed of?

a)

Blood and cells

b)

Protein and water

c)

Nutrients and enzymes

d)

Fat and muscle

102.

What does the retina detect?

a)

Light

b)

Nutrients

c)

Pressure

d)

Movement

103.

What is the function of the optic nerve?

a)

To transmit visual information to the brain

b)

To move the eye

c)

To detect color

d)

To cushion the eye

104.

Identify #2

a)

Choroid

b)

Cornea

c)

Pupil

d)

Sclera

105.

Identify #4.

a)

cornea

b)

Iris

c)

Pupil

d)

Tapetum Lucidum

106.

Identify #5.

a)

Ciliary Body

b)

Iris

c)

Pupil

d)

Tapetum Lucidum

e)

Lens

107.

Identify # 11.

a)

Iris

b)

Lens

c)

Pupil

d)

Retina

108.

Identify #3.

a)

Choroid

b)

Ciliary Body

c)

Optic Nerve

d)

Tapetum Lucidum

e)

Sclera

109.

Identify #9 the reflective colorful part at the back of the eye.

a)

Ciliary Body

b)

Optic Nerve

c)

Tapetum Lucidum

d)

Vitreous Humor

110.

Identify #10 the balloon like material that holds the liquid of the vitreous humor.

a)

Choroid

b)

Cornea

c)

Retina

d)

Sclera

111.

The clear, most anterior part of the eye is called...

a)

Cornea

b)

Iris

c)

Pupil

d)

Sclera

e)

Conjunctiva

112.

The white part of the eye is the:

a)

Retina

b)

Sclera

c)

Iris

d)

Tapetum

113.

The thin layer of cells at the back of the eye that resembles skin is the:

a)

Cornea

b)

Optic nerve

c)

Sclera

d)

Retina

114.

The tube-like structure on the dorsal side of the eye is referred to as...

a)

cornea

b)

optic nerve

c)

lens

d)

blind spot

e)

sclera

115.

What is the name of the holographic blue layer at the posterior aspect of the eye?

a)

Tapetum

b)

Retina

c)

Collagen

d)

Keratin

e)

Choroid

116.

What is the name of the black layer shown?

a)

Tapetum

b)

Retina

c)

Collagen

d)

Keratin

e)

Choroid

117.

What is the name of the wrinkled up tan layer that is pictured?

a)

Tapetum

b)

Retina

c)

Collagen

d)

Keratin

e)

Choroid

118.

What structure of the eye resembles a mentos candy?

a)

Sclera

b)

Cornea

c)

Retina

d)

Lens

119.

What jelly-like structure is the lens sitting in?

a)

Sclera

b)

Aqueous Humor

c)

Retina

d)

Vitreous Humor

e)

Posterior Chamber

120.

Which allow you to smell

a)

cochlea cells

b)

olfactory cells

c)

optic nerve cells

121.

Which part of the brain is involved in higher-order functions such as decision making and problem-solving?

a)

Medulla Oblongata

b)

Cerebellum

c)

Frontal Lobe

d)

Hypothalamus

122.
Receives sensory input for touch and body position
a)
Parietal Lobe
b)
Frontal Lobe
c)
Occipital Lobe
d)
Temporal Lobe

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