Highlighted content lecture 1 Flashcards

1
Q

What can cause neural tube defects?

A

Lack of folic acid during pregnancy

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2
Q

What does the brainstem do?

A

Control bodily functions needed for survival ex/ **respirations, BP, HR

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3
Q

Lesions in what two areas cause lethargy and coma?

A

Upper pons and midbrain

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4
Q

If a patient comes in complaining of the “worst headache of my life” with sudden onset, what might be their diagnosis?

A

Subarachnoid hemorrhage

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5
Q

1) What can be described as a “balloon like outpouching” of a vessel?
2) How are these connected to the vessel?
3) What part of this “balloon” structure can rupture?

A

1) Berry Aneurysms
2) Typically connected to the vessel by a stalk
3) The dome can rupture.

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6
Q

List 3 risk factors for the rupture of aneurysms

A

HTN (hypertension), cigarette smoking, alcohol consumption,

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7
Q

What can cause movement disorders?

A

Lesions in cerebellum or basal ganglia

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8
Q

What is typically caused by rupture of bridging veins?

A

Subdural hematoma

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9
Q

True or false: Hypokinetic and hyperkinetic movement disorders have the same cause

A

True

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10
Q

All information passed between what two things passes through the brainstem?

A

Between cerebral hemispheres and the spinal cord

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11
Q

What is cauda equina syndrome?

A

Impaired function of nerve roots below L-1, L-2

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12
Q

1) What are 4 potential causes of cauda equina syndrome?
2) Why does it need to be treated quickly?

A

1) Compression from disk herniation, tumors, trauma, epidural abscess
2) To avoid permanent effects

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13
Q

What controls sleep?

A

The hypothalamus

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14
Q

About_____ of fibers in corticospinal tract cross over to control movement of opposite side of body

A

85%

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15
Q

About 85% of fibers from what tract cross over to control movement of the opposite side of the body?

A

Corticospinal tract

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16
Q

What do lesions in cerebellum cause?

A

Movement disorders

17
Q

1) What causes hypokinetic movement disorders? Name one.
2) The same thing causes hyperkinetic movement disorders; name one

A

1) Lesions in the basal ganglia; Parkinsonism (slow and rigid)
2) Huntington’s disease (“dancelike” involuntary movements)

18
Q

Name 8 things controlled by the hypothalamus

A

1) Autonomic
2) Neuroendocrine
3) Limbic and other circuits
4) Body temp
5) Hunger
6) Thirst
7) Fatigue
8) Sleep

19
Q

What controls neuroendocrine functions?

A

Hypothalamus

20
Q

What two arteries supply all blood to the brain? What part does each supply?

A

1) Internal carotid arteries; supply anterior
2) Vertebral arteries; supply posterior

21
Q

What two arteries join to form the basilar artery at the circle of willis?

A

Vertebral arteries

22
Q

What is the brain’s drainage system for blood?

A

Internal jugular vein

23
Q

The ring at the base of the brain is called what?

A

Circle of Willis