Neuroscience Exam III
A practice exam for our upcoming neuroscience exam. Currently covers ventricular system, meninges, the major arteries of the brain, sensory receptors, and the muscle spindle. More questions will be added as I go through my notes :)
- 1.
The lateral ventricle is connected to the 3rd ventricle by the:
- A.
Cerebral aquaduct of Sylvius
- B.
Interventricular foramen
- C.
Choroid Plexus
- D.
Foramen of Magendie
Correct Answer
B. Interventricular foramen -
- 2.
Another name for the foramen of Monroe is:
- A.
Interventricular foramen
- B.
Cerebral aquaduct of Sylvius
- C.
Central canal
- D.
Median aperture
Correct Answer
A. Interventricular foramen -
- 3.
The 3rd ventricle is connected to the 4th ventricle by the:
- A.
Lateral aperture
- B.
Median aperture
- C.
Foramen of Monroe
- D.
Cerebral aquaduct of Sylvius
Correct Answer
D. Cerebral aquaduct of Sylvius -
- 4.
The 4th ventricle goes on to become the:
- A.
Choroid plexus
- B.
Diencephalon
- C.
Central canal
- D.
Arterioles
Correct Answer
C. Central canal -
- 5.
How many horns does the lateral ventricle have?
- A.
4
- B.
3
- C.
2
- D.
1
Correct Answer
B. 3 -
- 6.
The narrow, slit-shaped 3rd ventricle occupies most of the midline region of the:
- A.
Trigone
- B.
Choroid plexus
- C.
Septum pellucidum
- D.
Diencephalon
Correct Answer
D. Diencephalon -
- 7.
The 4th ventricle is found within what 3 structures of the brain?
- A.
Pons, medulla, and cerebellum
- B.
Anterior horn, posterior horn, and inferior horn
- C.
Lamina terminalis, rhomboid fossa, and lateral recess
- D.
Parietal, occipital, and temporal lobe
Correct Answer
A. Pons, medulla, and cerebellum -
- 8.
The 4th ventricle communicates or connects with what structure?
- A.
Inferior medullary velum
- B.
Pituitary gland
- C.
Subarachnoid cisterns
- D.
Superior medullary velum
Correct Answer
C. Subarachnoid cisterns -
- 9.
What are the names of the apertures that come off of the 4th ventricles?
- A.
Interventricular foramen and foramen magna
- B.
Foramen of Monroe and Aquaduct of Sylvius
- C.
Foramen of Magendie and Foramen of Luschka
- D.
Inferior foramen and cerebral aquaduct
Correct Answer
C. Foramen of Magendie and Foramen of Luschka -
- 10.
The choroid plexus is vascularized.
- A.
True
- B.
False
Correct Answer
A. True -
- 11.
The choroid plexus is the source of:
- A.
Neurotransmitters
- B.
Cerebral spinal fluid
- C.
Lymph fluid
- D.
Myelin
Correct Answer
B. Cerebral spinal fluid -
- 12.
What makes up the choroid plexus?
- A.
Ependymal layer
- B.
Pia
- C.
Capillaries
- D.
A + B
- E.
B + C
- F.
All of the above
- G.
None of the above
Correct Answer
F. All of the above -
- 13.
The three types of blood vessels that make up the choroid plexus are: Check all that apply.
- A.
Artery
- B.
Arteriole
- C.
Capillaries
- D.
Venules
- E.
Veins
Correct Answer(s)
B. Arteriole
C. Capillaries
D. Venules -
- 14.
The main function of cerebral spinal fluid is:
- A.
Storing neurotransmitters
- B.
Bathing and nourishing brain and spinal cord
- C.
Providing feedback to the vestibulocochlear system
- D.
Providing padding for the viscous fluid in the eye
Correct Answer
B. Bathing and nourishing brain and spinal cord -
- 15.
The ventricluar system is not connected to the venous system.
- A.
True
- B.
False
Correct Answer
B. False -
- 16.
Which space(s) or layer(s) is/are considered not "true" space(s)/layer(s) because it/they only show up because of a cranial bleed? Check all that apply.
- A.
Subarachnoid space
- B.
Subdural space
- C.
Arachnoid barrier layer
- D.
Epidural space
Correct Answer(s)
B. Subdural space
D. Epidural space -
- 17.
The falx cerebrix is a structure associated with the:
- A.
Dura mater
- B.
Arachnoid
- C.
Subarachnoid space
- D.
Pia mater
Correct Answer
A. Dura mater -
- 18.
The ___________ is the thickest of the meninges and is attached to the cranium
Correct Answer
dura mater - 19.
What is the dura mater critical for?
- A.
Aiding in neurotransmitter storage
- B.
Absorbing extra cerebral spinal fluid
- C.
Providing protection against infection
- D.
Stabilization of the brain
Correct Answer
D. Stabilization of the brain -
- 20.
The falx cerebrix projects into the ___________.
Correct Answer
medial longitudinal fissure - 21.
What is the tentoruim cerebelli?
- A.
A white matter tract
- B.
A structure found within the cerebellum
- C.
A structure that separates the cerebral hemispheres and cerebellum
- D.
A structure that is associated with the corpus callosum
Correct Answer
C. A structure that separates the cerebral hemispheres and cerebellum -
- 22.
The purpose of the dural sinuses is to:
- A.
Work with the choroid plexus to produce cerebral spinal fluid
- B.
Provide openings for blood vessels and nerves
- C.
Aid in creating an adequate blood/brain barrier
- D.
Help attach the dura mater to the cranium
Correct Answer
B. Provide openings for blood vessels and nerves -
- 23.
The dura mater gets its blood supply from the:
- A.
Middle meningeal artery
- B.
Anterior meningeal artery
- C.
Medial cerebral artery
- D.
Posterior dural artery
Correct Answer
A. Middle meningeal artery -
- 24.
The dura mater is pain sensitive.
- A.
True
- B.
False
Correct Answer
A. True -
- 25.
The cranial nerve system is associated with sensory aspects of the meninges.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Dura is pain sensitive because of the trigeminal nerve.Rate this question:
-
- 26.
The arachnoid meningeal layer is vascularized.
- A.
True
- B.
False
Correct Answer
B. False -
- 27.
The purpose of the arachnoid meninge is to:
- A.
Help circulate cerebral spinal fluid
- B.
Provide a barrier against bacteria
- C.
Help clean dead/dying brain cells
- D.
Keep the brain suspended
Correct Answer
D. Keep the brain suspended -
- 28.
Cerebral spinal fluid enters venous circulation via the ______________________.
Correct Answer
arachnoid villa
arachnoid villi - 29.
During a brain dissection, the pia mater is relatively easy to peel off the brain.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Pia mater adheres closely to all external surfaces of the brain (gyri and sulci) and merges with the arachnoid trabeculae.Rate this question:
-
- 30.
Epidural hematomas are most commonly caused by the rupture of the:
- A.
Denticulate artery
- B.
Middle meningeal artery
- C.
Anterior meningeal artery
- D.
Superior cerebral artery
Correct Answer
B. Middle meningeal artery -
- 31.
The common carotid of the aorta gives rise to:
- A.
External carotid
- B.
Vetebral artery
- C.
Internal carotid
- D.
Posterior cerebral artery
- E.
A and C
- F.
B and D
- G.
All of the above
- H.
None of the above
Correct Answer
E. A and C -
- 32.
The internal carotid artery gives rise to:
- A.
Thalamotuberal artery
- B.
Brachiocephalic trunk
- C.
Subclavian artery
- D.
Facial artery
- E.
C and D only
- F.
None of the above
Correct Answer
F. None of the above -
- 33.
The anterior communicating artery: Check all that apply.
- A.
Connects the left and right anterior arteries of the brain
- B.
Is not part of the Circle of Willis
- C.
Is an anastomose
- D.
Is rostral to the optic chiasm
Correct Answer(s)
A. Connects the left and right anterior arteries of the brain
C. Is an anastomose
D. Is rostral to the optic chiasm -
- 34.
One subclavian artery comes directly off of the ascending aorta and the other subclavian artery branches off from the brachiocephalic trunk.
- A.
True
- B.
False
Correct Answer
A. True -
- 35.
What arteries directly make up the Circle of Willis AKA Cerebral Arterial Circle? Check all that apply.
- A.
Basilar artery
- B.
Ophthalmic artery
- C.
Posterior cerebral artery
- D.
Internal carotid artery
- E.
Posteromedial central artery
- F.
Anterior communicating artery
- G.
Hypothalamic artery
- H.
Pontine artery
- I.
Anterior cerebral artery
- J.
Middle cerebral artery
- K.
Lenticulostriate artery
- L.
Posterior communicating artery
Correct Answer(s)
C. Posterior cerebral artery
D. Internal carotid artery
F. Anterior communicating artery
I. Anterior cerebral artery
L. Posterior communicating arteryExplanation
Remember, the medial cerebral artery is technically not considered part of the Circle of Willis even though it branches off directly from the internal carotid artery.Rate this question:
-
- 36.
What are the functions of the Circle of Willis?
- A.
Directly supplying the brainstem
- B.
Providing protection against blockages
- C.
Aiding in the circulation of cerebral spinal fluid
- D.
All of the above
- E.
A and B only
- F.
B and C only
Correct Answer
B. Providing protection against blockagesExplanation
The Circle of Willis supplies the diencephalon, internal capsule, and optic chiasmRate this question:
-
- 37.
The protopathic developmental classifcation of the peripheral nervous system (PNS): Check all that apply
- A.
Detects specific or highly localized stimuli
- B.
Is the older system of the PNS
- C.
Is associated with crude bodily sensation
- D.
Is associated with determining exact joint position
- E.
Responds to dull pain
- F.
Is important for the 2-point discrimination test
Correct Answer(s)
B. Is the older system of the PNS
C. Is associated with crude bodily sensation
E. Responds to dull painExplanation
Protopathic system: Older system, poorly localizing, crude bodily sensation.
Epicritic system: Newer system, detects specific/highly localized stimuli (e.g., exact joint position or 2-point discrimination)Rate this question:
-
- 38.
Exteroceptors of the peripheral nervous system:
- A.
Are found in the external walls of internal organs
- B.
Are sensitive to chemical changes
- C.
Are found near the body surface
- D.
Are sensitive to touch
- E.
Are sensitive to stretch changes
- F.
A, B, and D only
- G.
C and D only
- H.
All of the above
- I.
None of the above
Correct Answer
G. C and D only -
- 39.
Interocepters of the peripheral nervous system are found in internal viscera and blood vessels
- A.
True
- B.
False
Correct Answer
A. True -
- 40.
Proprioceptors: Check all that apply
- A.
Are found in the inner ear
- B.
Respond to the degree of stretch of the organs they occupy
- C.
"advise" the brain of one's movements
- D.
Are found in skeletal muscle, tendons, joints, ligaments, and connective tissue.
Correct Answer(s)
A. Are found in the inner ear
B. Respond to the degree of stretch of the organs they occupy
C. "advise" the brain of one's movements
D. Are found in skeletal muscle, tendons, joints, ligaments, and connective tissue. -
- 41.
Ruffini endings detect:
- A.
Pressure
- B.
Touch
- C.
Pain
- D.
Temperature
Correct Answer
A. Pressure -
- 42.
Meissner corpuscles detect:
- A.
Pressure
- B.
Touch
- C.
Vibration
- D.
Pain
- E.
Temperature
- F.
A and B
- G.
D and E
Correct Answer
F. A and B -
- 43.
_______________________ are stimulated by deforming their shape (e.g., hair cell, skin receptor, stretch receptor).
Correct Answer
mechanoreceptor
mechanoreceptors - 44.
Small receptor fields of the homunculus are associated with:
- A.
The abdomen
- B.
Upper and lower extremities
- C.
The back
- D.
The tongue, mouth, hand, and fingers
- E.
All of the above
Correct Answer
D. The tongue, mouth, hand, and fingers -
- 45.
Large receptor fields of the homunculus are associated with:
- A.
The abdomen
- B.
Upper and lower extremities
- C.
The back
- D.
All of the above
Correct Answer
D. All of the above -
- 46.
The muscle spindle has a key role in regulating muscle tone.
- A.
True
- B.
False
Correct Answer
A. True -
- 47.
Intrafusal muscle fibers are also known as skeletal muscles.
- A.
True
- B.
False
Correct Answer
B. False -
- 48.
How many types of intrafusal muscle fibers are there?
- A.
2
- B.
3
- C.
4
- D.
5
Correct Answer
A. 2 -
- 49.
Nuclear chain fibers respond to:
- A.
Change in muscle length and velocity of stretch
- B.
Chemical changes in the muscle (e.g., lactic acid build up)
- C.
The intensity of the muscle contraction
- D.
New muscle length
Correct Answer
D. New muscle length -
- 50.
Nuclear bag fibers respond to:
- A.
Chemical changes in the muscle (e.g., lactic acid build up)
- B.
Changes in muscle length and the velocity of stretch
- C.
The intensity of the muscle contraction
- D.
New muscle length
Correct Answer
B. Changes in muscle length and the velocity of stretch -
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Oct 30, 2012Quiz Edited by
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