NEUROLEC: 1st Shifting Flashcards

1
Q

Membrane-bound dense bodies that contain hydrolytic enzymes and involved in the process of intracellular digestion are called?

A

Lysosomes

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2
Q

Cerebrospinal fluid can be obtained from what structure?

A

Subarachnoid space

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3
Q

The connective tissue membranes that cover the brain are collectively called

A

Meninges

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4
Q

What structure serves to separate the 2 cerebral
hemispheres?

A

Longitudinal fissure

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5
Q

Intracytoplasmic inclusion bodies found in people with
rabies are called

A

Negri bodies

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6
Q

Structure that receives synaptic input and transmits it toward the cell body is the

A

Dendrite

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7
Q

Types of neuron

  1. Peripheral nerve
  2. Retina
  3. Neuroglia
  4. Posterior root ganglia

A. unipolar neuron
B. bipolar neuron
C. multipolar neuron
D. none of the above

A
  1. C
  2. B
  3. D
  4. A
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8
Q

The presence of contralateral hemiparesis and hemisensory loss involving mainly the face and arm will be due to the occlusion of which artery?
A. Anterior cerebral artery
B. Middle cerebral artery
C. Posterior cerebral artery
D. Basilar artery

A

B. Middle cerebral artery

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9
Q

Name four (4) branches of the Internal carotid artery

A

Any four of the following:
1. Ophthalmic artery
2. Posterior communicating artery
3. Choroidal artery
4. Anterior cerebral artery
5. Posterior cerebral artery

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10
Q

Which vascular condition usually results from leakage or
rupture of an aneurysm on the cerebral arterial circle?
A. Epidural hematoma
B. Cerebral ischemia
C. Subarachnoid hemorrhage
D. Myocardial infarction

A

C. Subarachnoid hemorrhage

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11
Q

TRUE OR FALSE: The posterior cerebral artery curves medially and
backward around the midbrain and joins the posterior communicating artery.

A

False

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12
Q

Which artery supplies the leg area of the precentral gyrus?
A. Anterior cerebral artery
B. Middle cerebral artery
C. Posterior cerebral artery
D. Basilar artery

A

A. Anterior cerebral artery

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13
Q

TRUE OR FALSE: The lumbar arteries supplying the lumbar region of the spinal cord are branches of the anterior spinal artery.

A

False

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14
Q

Match the blood vessel with the area it supplies

  1. Basilar artery
  2. Labyrinthine artery
  3. Choroidal artery
  4. Vertebral artery

A. Supplies the crus cerebri
B. Supplies the bone and dura
C. Supplies the pontine area
D. Supplies the internal ear

A
  1. C
  2. D
  3. A
  4. B
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15
Q

Which artery supplies the visual cortex?
A. Anterior cerebral artery
B. Middle cerebral artery
C. Posterior cerebral artery
D. Basilar artery

A

C. Posterior cerebral artery

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16
Q

The internal carotid artery runs horizontally forward through which structure before it emerges on the medial side of the anterior clinoid process?
A. Mastoid process
B. Cavernous sinus
C. Carotid body
D. Carotid sinus

A

B. Cavernous sinus

17
Q

TRUE OR FALSE: The thalamus is supplied mainly by the posterior
communicating, basilar, and posterior cerebellar arteries

A

False

18
Q

TRUE OR FALSE: The anterior spinal artery is formed by the union of the vertebral arteries.

A

True

19
Q

The posterior communicating artery runs posteriorly above which cranial nerve to join the posterior cerebral artery?
A. Olfactory nerve
B. Optic nerve
C. Oculomotor nerve
D. Trochlear nerve

A

C. Oculomotor nerve

20
Q

TRUE OR FALSE: The spinal cord receives its arterial supply from 3 large arteries - 2 posterior spinal arteries and 1 anterior spinal artery.

A

False

21
Q

Which of the following is not a component of the meninges?
A. Arachnoid mater
B. Pia mater
C. Choroid
D. Dura mater

A

C. Choroid

22
Q

Which is not a part of the hindbrain?
A. Medulla oblongata
B. Midbrain
C. Pons
D. Cerebellum

A

B. Midbrain

23
Q

The following make up the peripheral nervous system except:
A. Anterior horn cells
B. Cranial nerves
C. Spinal nerves

A

A. Anterior horn cells

24
Q

The following are post-embryonic divisions of the brain, except?
A. Telencephalon
B. Diencephalon
C. Mesencephalon
D. Retencephalon

A

D. Retencephalon

25
Q

Which of the following best describes an axon?
A. Receive information from another cell or receptor and transmit the message to the cell body
B. Lacks nissl bodies
C. Provide physical support for neurons
D. Short processes that extend from cell body

A

B. Lacks nissl bodies