Brain and Cranial Nerves

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1
  1. Which of these parts of the embryonic brain is correctly matched with the structure it becomes in the adult brain?
  2. mesencephalon—midbrain
  3. metencephalon—medulla oblongata
  4. myelencephalon—cerebrum
  5. telencephalon—pons and cerebellum

a

2
  1. To separate the brainstem from the rest of the brain, a cut would have to be made between the
  2. medulla oblongata and pons.
  3. pons and midbrain.
  4. midbrain and diencephalon.
  5. thalamus and cerebrum.
  6. medulla oblongata and spinal cord.

c

3

Important centers for heart rate, blood pressure, respiration, swallowing, coughing, and vomiting are located in the

  1. cerebrum.
  2. medulla oblongata.
  3. midbrain.
  4. pons.
  5. cerebellum.

b

4

In which part of the brain does decussation of descending tracts involved in the conscious control of skeletal muscles occur?

  1. cerebrum
  2. diencephalon
  3. midbrain
  4. pons
  5. medulla oblongata

c

5

The cerebral peduncles are a major descending motor pathway in the

  1. cerebrum.
  2. cerebellum.
  3. pons.
  4. midbrain.
  5. medulla oblongata.

d

6

The superior colliculi are involved in, whereas the inferior colliculi are involved in .

  1. hearing, visual reflexes
  2. visual reflexes, hearing
  3. balance, motor pathways
  4. motor pathways, balance
  5. respiration, sleep

b

7

The cerebellum communicates with other regions of the CNS through the

  1. flocculonodular lobe.
  2. cerebellar peduncles.
  3. vermis.
  4. lateral hemispheres.
  5. folia.

b

8

The major relay station for sensory input that projects to the cerebral cortex is the

  1. hypothalamus.
  2. thalamus.
  3. pons.
  4. cerebellum.
  5. midbrain.

b

9

he part of the diencephalon directly connected to the pituitary gland is the

  1. hypothalamus.
  2. epithalamus.
  3. subthalamus.
  4. thalamus.

a

10

Which of the following is a function of the hypothalamus?

  1. regulates autonomic nervous system functions
  2. regulates the release of hormones from the posterior pituitary
  3. regulates body temperature
  4. regulates food intake (hunger) and water intake (thirst)
  5. All of these are correct.

e

11

The grooves on the surface of the cerebrum are called the

  1. nuclei.
  2. commissures.
  3. tracts.
  4. sulci.
  5. gyri.

d

12

Which of these areas is located in the postcentral gyrus of the cerebral cortex?

  1. olfactory cortex
  2. visual cortex
  3. primary motor cortex
  4. primary somatic sensory cortex
  5. primary auditory cortex

d

13

Which of these cerebral lobes is important in voluntary motor function, motivation, aggression, sense of smell, and mood?

  1. frontal
  2. insula
  3. occipital
  4. parietal
  5. temporal

a

14

Fibers that connect areas of the cerebral cortex within the same hemisphere are

  1. projection fibers.
  2. commissural fibers.
  3. association fibers.
  4. All of these are correct.

c

15

The basal nuclei are located in the

  1. inferior cerebrum.
  2. diencephalon.
  3. midbrain.
  4. All of these are correct.

d

16

The most superficial of the meninges is a thick, tough membrane called the

  1. pia mater.
  2. dura mater.
  3. arachnoid mater.
  4. epidural mater.

b

17

The ventricles of the brain are interconnected. Which of these ventricles are not correctly matched with the structures that connect them?

  1. lateral ventricle to the third ventricle—interventricular foramina
  2. left lateral ventricle to right lateral ventricle—central canal
  3. third ventricle to fourth ventricle—cerebral aqueduct
  4. fourth ventricle to subarachnoid space—median and lateral apertures

b

18

Cerebrospinal fluid is produced by the, circulates through the ventricles, and enters the subarachnoid space. The cerebrospinal fluid leaves the subarachnoid space through the .

  1. choroid plexuses, arachnoid granulations
  2. arachnoid granulations, choroid plexuses
  3. dural venous sinuses, dura mater
  4. dura mater, dural venous sinuses

a

19

Water-soluble molecules of the blood plasma move across the blood-brain barrier by

  1. diffusion.
  2. endocytosis.
  3. exocytosis.
  4. symport.
  5. filtration.

d

20

The cranial nerve involved in chewing food is the

  1. trochlear (IV).
  2. trigeminal (V).
  3. abducens (VI).
  4. facial (VII).
  5. vestibulocochlear (VIII).

b

21

The cranial nerve responsible for focusing the eye (innervating the ciliary muscle of the eye) is the

  1. optic (II).
  2. oculomotor (III).
  3. trochlear (IV).
  4. abducens (VI).
  5. facial (VII).

b

22

The cranial nerve involved in moving the tongue is the

  1. trigeminal (V).
  2. facial (VII).
  3. glossopharyngeal (IX).
  4. accessory (XI).
  5. hypoglossal (XII).

e

23

The cranial nerve involved in feeling a toothache is the

  1. trochlear (IV).
  2. trigeminal (V).
  3. abducens (VI).
  4. facial (VII).
  5. vestibulocochlear (VIII).

b

24

From this list of cranial nerves:

  1. olfactory (I)
  2. optic (II)
  3. oculomotor (III)
  4. abducens (VI)
  5. vestibulocochlear (VIII)

Select the nerves that are sensory only.

  1. 1,2,3
  2. 2,3,4
  3. 1,2,5
  4. 2,3,5
  5. 3,4,5

c

25

From this list of cranial nerves:

  1. trigeminal (V)
  2. facial (VII)
  3. glossopharyngeal (IX)
  4. vagus (X)
  5. hypoglossal (XII)

Select the nerves involved in the sense of taste.

  1. 1,2,3
  2. 1,4,5
  3. 2,3,4
  4. 2,3,5
  5. 3,4,5

c

26

From this list of cranial nerves:

  1. oculomotor (III)
  2. trigeminal (V)
  3. facial (VII)
  4. vestibulocochlear (VIII)
  5. glossopharyngeal (IX)
  6. vagus (X)

Select the nerves that are part of the parasympathetic division of the ANS.

  1. 1,2,4,5
  2. 1,3,5,6
  3. 1,4,5,6
  4. 2,3,4,5
  5. 2,3,5,6

b

27
card image

brainstem

28

The rod-like structure found beneath the dorsal surface of developing embryo is called_____

notochord

29

The cerebrum and diencephalon arise from the region of the embryonic brain known as ______________.

forebrain

30

The________arises from posterior part of the hindbrain of the embryonic brain

medulla oblongatta

31

The bulbous area that contain fiber relaying impulses between medulla and the cerebrum, fibers relying impulses from the cerebrum to cerebellum, and nuclei that help regulate respiratory rhythm is called______

The pons


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