Hindbrain Flashcards

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1
Q

Rhombencephalon

A

Medulla
Pons
Crebellum

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2
Q

Medulla Oblongata

A

controls vital reflexes: including bathing, heart rate, vomiting, salivation, coughing, and sneezing–through the cranial nerves. Large does of opiates are life-threatening because they suppress activity of the medulla.

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3
Q

Pons

A

Lies anterior and ventral to the medulla.
Axons from each half of the brain cross to the opposite side of the spinal cord so that the left hemisphere controls the muscles of the right side if the body and the right hemisphere controls the left side.

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4
Q

Cerebellum

A

Control of movement
balance and coordination
People with damage to the cerebellum have trouble shifting their attention back and forth between auditory and visual stimuli. They have difficulty with timing, such as judging whether one rhythm is faster than another.

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5
Q

The Cranial Nerves

A
  1. Olfactory
  2. Optic
  3. Oculomotor
  4. Trochlear
  5. Trigeminal
  6. Abducens
  7. Facial
  8. Sratoacoustic
  9. glossopharyngeal
  10. Vagus
  11. Accessory
  12. Hypoglossal
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6
Q

I. Olfactory

A

Smell

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7
Q

II. Optic

A

Vision

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8
Q

III. Oculomotor

A

Control of eye movements; pupil constriction

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9
Q

IV. Trochlear

A

Control of eye movement

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10
Q

V. Trigeminal

A

Skin sensation from most of the face; control of jaw muscles for chewing an swallowing.

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11
Q

VI. Abducens

A

Control of eye movement

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12
Q

VII. Facial

A

Taste from the anterior two thirds of the tongue; control of facial expressions, crying, salivation,dilation of the head’s blood vessels.

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13
Q

VIII. Sratoacoustic

A

Hearing; Equilibrium

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14
Q

IX. glossopharyngeal

A

taste and other sensation from throat and posterior third of the tongue; control of swallowing, salivation, throat movement during speech.

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15
Q

X. Vagus

A

Sensation from neck and thorax, esophagus, and larynx; parasympathetic nerves to stomach, intestines, and other organs.

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16
Q

XI. Accessory

A

Control of neck and shoulder movement

17
Q

XII. Hypoglossal

A

Control of muscles of the tongue.