NEUROLEC: 1st Shifting Flashcards
Membrane-bound dense bodies that contain hydrolytic enzymes and involved in the process of intracellular digestion are called?
Lysosomes
Cerebrospinal fluid can be obtained from what structure?
Subarachnoid space
The connective tissue membranes that cover the brain are collectively called
Meninges
What structure serves to separate the 2 cerebral
hemispheres?
Longitudinal fissure
Intracytoplasmic inclusion bodies found in people with
rabies are called
Negri bodies
Structure that receives synaptic input and transmits it toward the cell body is the
Dendrite
Types of neuron
- Peripheral nerve
- Retina
- Neuroglia
- Posterior root ganglia
A. unipolar neuron
B. bipolar neuron
C. multipolar neuron
D. none of the above
- C
- B
- D
- A
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
B. Middle cerebral artery
Name four (4) branches of the Internal carotid artery
Any four of the following:
1. Ophthalmic artery
2. Posterior communicating artery
3. Choroidal artery
4. Anterior cerebral artery
5. Posterior cerebral artery
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
C. Subarachnoid hemorrhage
TRUE OR FALSE: The posterior cerebral artery curves medially and
backward around the midbrain and joins the posterior communicating artery.
False
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. Anterior cerebral artery
TRUE OR FALSE: The lumbar arteries supplying the lumbar region of the spinal cord are branches of the anterior spinal artery.
False
Match the blood vessel with the area it supplies
- Basilar artery
- Labyrinthine artery
- Choroidal artery
- Vertebral artery
A. Supplies the crus cerebri
B. Supplies the bone and dura
C. Supplies the pontine area
D. Supplies the internal ear
- C
- D
- A
- B
Which artery supplies the visual cortex?
A. Anterior cerebral artery
B. Middle cerebral artery
C. Posterior cerebral artery
D. Basilar artery
C. Posterior cerebral artery
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
B. Cavernous sinus
TRUE OR FALSE: The thalamus is supplied mainly by the posterior
communicating, basilar, and posterior cerebellar arteries
False
TRUE OR FALSE: The anterior spinal artery is formed by the union of the vertebral arteries.
True
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
C. Oculomotor nerve
TRUE OR FALSE: The spinal cord receives its arterial supply from 3 large arteries - 2 posterior spinal arteries and 1 anterior spinal artery.
False
Which of the following is not a component of the meninges?
A. Arachnoid mater
B. Pia mater
C. Choroid
D. Dura mater
C. Choroid
Which is not a part of the hindbrain?
A. Medulla oblongata
B. Midbrain
C. Pons
D. Cerebellum
B. Midbrain
The following make up the peripheral nervous system except:
A. Anterior horn cells
B. Cranial nerves
C. Spinal nerves
A. Anterior horn cells
The following are post-embryonic divisions of the brain, except?
A. Telencephalon
B. Diencephalon
C. Mesencephalon
D. Retencephalon
D. Retencephalon
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
B. Lacks nissl bodies
