Question 1

When comparing relative sizes, human olfactory bulbs are larger than those of sheep.

Accepted Answer

A) True 
 B)False

Question 2

The corpora quadrigemina, cerebral peduncles, and cerebral aqueduct are all parts of the

Accepted Answer

A)  midbrain.
B)  diencephalon.
C)  medulla oblongata.
D)  thalamus.
E)  pons.F) None of the above
G) C) and E) A

Question 3

When looking at a ventral view of the sheep brain, which of the cranial nerves can be seen emerging from the floor of the midbrain?

Accepted Answer

A)  Trigeminal nerves
B)  Oculomotor nerves
C)  Facial nerves
D)  Olfactory nerves
E)  Vagus nervesF) None of the above
G) A) and B)

Question 4

Which ventricles are separated by the septum pellucidum?

Accepted Answer

A)  The lateral ventricles and the third ventricle
B)  The 2 medial ventricles
C)  The third ventricle and the fourth ventricle
D)  The fourth ventricle and the fifth ventricle
E)  The 2 lateral ventriclesF) B) and D)
G) A) and C)

Question 5

The brains of mammals have many common structural features.

Accepted Answer

A) True 
 B)False  True

Question 6

The corpus callosum is a transverse band of white matter that runs between the cerebral hemispheres.

Accepted Answer

A) True 
 B)False

Question 7

When looking at the ventral surface of the sheep brain, which of the following structures is the most anterior?

Accepted Answer

A)  Oculomotor nerves
B)  Optic chiasma
C)  Mammillary body
D)  Facial nerves
E)  Olfactory bulbsF) A) and D)
G) B) and D)

Question 8

What is the function of the choroid plexuses?

Accepted Answer

A)  They form a bridge between the cerebral hemispheres.
B)  They are responsible for visual reflexes.
C)  They are small nerve plexuses in the brain.
D)  They produce cerebrospinal fluid.
E)  They are responsible for auditory reflexes.F) B) and C)
G) None of the above D

Question 9

Which portion of the brainstem continues directly into the spinal cord?

Accepted Answer

A)  Medulla oblongata
B)  Cerebral peduncle
C)  Midbrain
D)  Corpora quadrigemina
E)  PonsF) A) and E)
G) C) and E)

Question 10

Which layer of the meninges is thick and opaque?

Accepted Answer

A)  Arachnoid mater
B)  Infundibulum
C)  Dura mater
D)  Mammillary body
E)  Pia materF) B) and E)
G) B) and C)

Question 11

On a median section of a sheep brain, the hypothalamus lies ________ to the thalamus.

Accepted Answer

A)  superior
B)  posterior
C)  inferior
D)  lateral
E)  anteriorF) C) and D)
G) A) and B)

Question 12

Which of the following structures separates the 2 cerebral hemispheres of the sheep brain?

Accepted Answer

A)  Central sulcus
B)  Coronal fissure
C)  Lateral sulcus
D)  Longitudinal fissure
E)  Transverse fissureF) B) and E)
G) A) and E)

Question 13

Even though the human brain is larger than the sheep brain, the sheep brain has more gyri and sulci than the human brain.

Accepted Answer

A) True 
 B)False

Question 14

In a median section of a sheep brain, the thalamus lies ________ the midbrain.

Accepted Answer

A)  superior
B)  lateral
C)  anterior
D)  inferior
E)  posteriorF) B) and C)
G) None of the above

Question 15

The optic nerves extend posteriorly and medially from the eyes, and merge at the

Accepted Answer

A)  optic chiasma.
B)  infundibulum.
C)  corpus callosum.
D)  fornix.
E)  cerebral peduncle.F) None of the above
G) A) and E)

Exam 33: Dissection of the Sheep Brain

When comparing relative sizes, human olfactory bulbs are larger than those of sheep.

Correct Answer
verified

The corpora quadrigemina, cerebral peduncles, and cerebral aqueduct are all parts of the

Correct Answer
verified
A

When looking at a ventral view of the sheep brain, which of the cranial nerves can be seen emerging from the floor of the midbrain?

Correct Answer
verified

Which ventricles are separated by the septum pellucidum?

Correct Answer
verified

The brains of mammals have many common structural features.

Correct Answer
verified
True

The corpus callosum is a transverse band of white matter that runs between the cerebral hemispheres.

Correct Answer
verified

When looking at the ventral surface of the sheep brain, which of the following structures is the most anterior?

Correct Answer
verified

What is the function of the choroid plexuses?

Correct Answer
verified
D

Which portion of the brainstem continues directly into the spinal cord?

Correct Answer
verified

Which layer of the meninges is thick and opaque?

Correct Answer
verified

On a median section of a sheep brain, the hypothalamus lies ________ to the thalamus.

Correct Answer
verified

Which of the following structures separates the 2 cerebral hemispheres of the sheep brain?

Correct Answer
verified

Even though the human brain is larger than the sheep brain, the sheep brain has more gyri and sulci than the human brain.

Correct Answer
verified

In a median section of a sheep brain, the thalamus lies ________ the midbrain.

Correct Answer
verified

The optic nerves extend posteriorly and medially from the eyes, and merge at the

Correct Answer
verified

Exam 33: Dissection of the Sheep Brain

When comparing relative sizes, human olfactory bulbs are larger than those of sheep.

Correct AnswerverifiedShow Answer

The corpora quadrigemina, cerebral peduncles, and cerebral aqueduct are all parts of the

Correct AnswerverifiedA

When looking at a ventral view of the sheep brain, which of the cranial nerves can be seen emerging from the floor of the midbrain?

Correct AnswerverifiedShow Answer

Which ventricles are separated by the septum pellucidum?

Correct AnswerverifiedShow Answer

The brains of mammals have many common structural features.

Correct AnswerverifiedTrue

The corpus callosum is a transverse band of white matter that runs between the cerebral hemispheres.

Correct AnswerverifiedShow Answer

When looking at the ventral surface of the sheep brain, which of the following structures is the most anterior?

Correct AnswerverifiedShow Answer

What is the function of the choroid plexuses?

Correct AnswerverifiedD

Which portion of the brainstem continues directly into the spinal cord?

Correct AnswerverifiedShow Answer

Which layer of the meninges is thick and opaque?

Correct AnswerverifiedShow Answer

On a median section of a sheep brain, the hypothalamus lies ________ to the thalamus.

Correct AnswerverifiedShow Answer

Which of the following structures separates the 2 cerebral hemispheres of the sheep brain?

Correct AnswerverifiedShow Answer

Even though the human brain is larger than the sheep brain, the sheep brain has more gyri and sulci than the human brain.

Correct AnswerverifiedShow Answer

In a median section of a sheep brain, the thalamus lies ________ the midbrain.

Correct AnswerverifiedShow Answer

The optic nerves extend posteriorly and medially from the eyes, and merge at the

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
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A

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True

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D

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