1. Cardiovascular System
Identify the correct question
The Visual System
Neuro Quiz
Identify the correct question
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 Michael McKeough 2008
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 D. Johnson 2011

2. Cardiovascular 100 200 300 400 500 Gross Anatomy Structure & Function
Blood Flow
EKG
Misc.
100
200
300
400
500
Visual System
Neuro Quiz
Categories:
Receptors
Central Pathway
Physiology
Miscellaneous
Pathology
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3. Gross Anatomy 100
Heart chambers that serve the pulmonary and systemic systems
Receptors for 100
This is the most anterior structure of the globe (eye ball).
It provides protection to the anterior chamber.
It becomes drier and less flexible with age.
What is the cornea?
What are the ventricles?
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4. Gross Anatomy 200
These chambers are also called auricles meaning “ears”
Receptors for 200
This aperture reflexively regulates the level of illumination in the posterior chamber.
Under normal circumstances it is reactive to light.
What is the pupil?
What are the heart atria?
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5. Gross Anatomy 300 The A-V valve that is shaped like the Pope’s hat.
Receptors for 300
These receptors are sensitive to black and white.
They are also sensitive to lines, edges and motion.
They are the most numerous receptors in the retina, particularly toward the periphery.
What are rods?
What is the bicuspid or mitral valve ?
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6. Gross Anatomy 400
A hole in the interatrial septum that will close after the first breaths.
If it remains open, the baby will be blue.
Receptors for 400
This structure produces the “blind spot” in the visual field.
It covers the ganglion cells as they exit the globe.
What is the optic disk?
What is the foramen ovale?
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7. Gross Anatomy 500
This structure divides the ventricles and contains a main conductive pathway.
Receptors for 500
This is the “preferred” region of the retina.
It contains a 1:1 relationship between cones and bipolar cells.
What is the fovea centralis?
What is the interventricular septum?
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8. Structure & Function 100
These efferent vessels contain which protein that allows for a high degree of elasticity.
Central Pathway for 100
These cells form the first-order neurons in the central visual pathway.
They innervate both rods and cones.
What are bipolar cells?
What is the protein elastin?
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9. Structure & Function 200
The systolic reading is always higher because of this.
This also explains why the left ventricle has the thickest walls.
Central Pathway for 200
This pathway projects from the optic chiasm to the thalamus.
It consists of fibers from the ipsilateral temporal hemiretina and contralateral nasal hemiretina.
What is the optic tract?
What is peripheral resistance? – capillaries
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10. Structure & Function 300
These inelastic structures maintain A-V valve patency during systole.
They are attached to papillary muscles.
Central Pathway for 300
This nucleus is the thalamic relay center for the central visual pathway.
It contains the cell bodies of third-order neurons.
What is the lateral geniculate nucleus?
What are the Chordae Tendineae?
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11. Structure & Function 400
Low intraventricular pressure and high arterial pressure make these structures necessary during diastole.
These structures have 3 “flaps”.
Central Pathway for 400
These fibers consist of third-order neurons projecting from the thalamus to the primary visual cortex.
They arch around the lateral ventricle to reach their destination.
What are the optic radiation fibers?
What is the semilunar valves?
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12. Structure & Function 500
Increased venous return is part of this cycle.
This and heart rate make up cardiac output.
Central Pathway for 500
This sulcus contains the primary visual cortex within the occipital lobe.
It is visible on a midsaggital section of the brain.
Area 17 of Brodmann is located on both its superior and inferior banks.
What is the calcarine sulcus?
What is stroke volume?
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13. Blood Flow 100
This (efferent vessel) artery oddly carries unoxygenated blood
What is the pulmonary trunk?
Physiology for 100
This structure is located in the anterior chamber and gives the eye its color.
What is the iris?
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14. Blood Flow 200
These arteries carry oxygenated blood to the myocardium of the heart.
What are the coronary arteries?
Physiology for 200
These are the three color sensitivities on which color vision is based.
What are red, blue, and green?
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15. Blood Flow 300
These vessels create the greatest resistance within the systemic and pulmonary system.
What are capillary beds?
Physiology for 300
The receptor potential in rods is due to the bleaching of this substance.
What is rhodopsin?
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16. Blood Flow 400 What structures (2) ensure venous blood return ?
What are the venous valves and extremity muscles?
Physiology for 400
This structure, in the human retina, absorbs light after it passes by the receptors.
What is the choroid?
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17. Blood Flow 500
This physical property is the cause of blood flow throughout the cardiovascular system.
It can be measured by a sphygmomanometer
What are pressure differences?
Physiology for 500
The eyes deviate in this direction when the speaker is visually remembering images.
What is up and to the left?
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18. EKG 100 An EKG is a graphical representation of what occurrence
Electrical activity in the heart, depolarization and repolarization?
Miscellaneous for 100
These extraocular muscles are named for the direction in which they move the eye.
There are 4 pairs of these muscles in each eye.
What are the rectus muscles?
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19. EKG 200
The firing and depolarization of the atria is represented by which wave?
What is the P wave?
Miscellaneous for 200
This type of eye movement is used to reposition the globe from one visual target to another.
These movements occur so quickly as to be imperceptible.
What is saccadic movement?
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20. EKG 300 Where on the EKG is the repolarization of the atria found?
It is obscured by the QRS complex?
Miscellaneous for 300
This clear fluid fills the posterior chamber.
What is vitreous humor?
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21. EKG 400
An increasing P-R interval with each cardiac cycle may indication what type of condition?
What is a second degree AV block?
Miscellaneous for 400
This portion of the retina receives images from the lateral portion of the visual field.
Fibers originating here cross the midline in the optic chiasm.
What is the nasal hemiretina?
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22. EKG 500
What is your professional opinion as to the patients condition?
Miscellaneous for 500
Gives an object its color.
What is the frequency of light waves reflected by the visual target?
What is a third degree block?
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23. Misc. 100
If electrical activity is moving towards the recording electrode in an EKG the resulting wave will be?
Positive deflection like the P-Wave?
Pathology for 100
A lesion of this structure produces monocular blindness.
What is the optic nerve?
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24. Misc. 200
If CO remains constant and Stroke volume decreases, what happens to HR?
It must increase?
Pathology for 200
This clinical test is commonly used to examine the oculomotor system (extraocular muscles).
What are the cardinal planes of gaze?
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25. Misc. 300
If the R-R interval in an EKG is measured at .5 seconds, what is the H.R.?
120 bpm?
Pathology for 300
This type of abnormal, involuntary eye movement consists of slow and fast components.
It is associated with damage to the vestibular and cerebellar systems.
What is nystagmus?
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26. Misc. 400
What condition might the patient have if their heart rate is 120 BPM?
What is tachycardia?
Pathology for 400
Age-related deficits in visual acuity (presbyopia) are caused by this impairment.
It is caused by a progressive loss of fluid.
It usually results in farsightedness (hyperopia).
What is impaired lens accommodation?
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27. Misc. 500
If aortic pressure exceeds ventricular pressure what will happen in the heart.
Blood will try flowing back into the ventricle closing the Aortic SLV?
Pathology for 500
This is the most common visual impairment (field cut) associated with stroke.
It is caused by a lesion affecting the central visual pathway posterior to the optic chiasm.
What is hemianopsia?
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