Medulla Flashcards

(28 cards)

1
Q

What is the main function of the medulla oblongata?

A

Regulation of vital functions such as breathing, heart rate, and blood pressure.

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2
Q

True or False: The medulla oblongata is located at the base of the brainstem.

A

True

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3
Q

What is the surface of the medulla oblongata covered by?

A

Pia mater

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4
Q

What is the main structure on the surface of the medulla oblongata that is responsible for coordinating movement and balance?

A

Inferior cerebellar peduncle

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5
Q

What is the name of the structure on the surface of the medulla oblongata that contains sensory fibers traveling from the body to the brain?

A

Gracile fasciculus

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6
Q

Fill in the blank: The _______ is a structure on the surface of the medulla oblongata responsible for relaying sensory information from the face to the brain.

A

Trigeminal nerve

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7
Q

Which cranial nerve emerges from the medulla oblongata?

A

Cranial nerve XII (Hypoglossal nerve)

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8
Q

What is the name of the structure on the surface of the medulla oblongata that contains motor fibers traveling from the brain to the body?

A

Pyramidal tract

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9
Q

What is the function of the pyramidal tract on the surface of the medulla oblongata?

A

Controls voluntary movements

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10
Q

Which part of the brainstem is superior to the medulla oblongata?

A

Pons

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11
Q

What is the name of the structure on the surface of the medulla oblongata that contains fibers connecting the cerebellum with the brainstem?

A

Middle cerebellar peduncle

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12
Q

What is the name of the structure on the surface of the medulla oblongata that contains the nucleus responsible for controlling respiration?

A

Nucleus ambiguus

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13
Q

What is the name of the structure on the surface of the medulla oblongata that contains the nucleus responsible for controlling heart rate and blood pressure?

A

Dorsal motor nucleus of the vagus nerve

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14
Q

Fill in the blank: The _______ is a structure on the surface of the medulla oblongata responsible for relaying sensory information from the inner ear to the brain.

A

Vestibulocochlear nerve

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15
Q

Which part of the brainstem is inferior to the medulla oblongata?

A

Spinal cord

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16
Q

What is the name of the structure on the surface of the medulla oblongata that contains the nucleus responsible for controlling vomiting and coughing?

A

Nucleus tractus solitarius

17
Q

What is the name of the structure on the surface of the medulla oblongata that contains the nucleus responsible for controlling swallowing?

A

Nucleus ambiguus

18
Q

True or False: The medulla oblongata is responsible for the production of hormones.

19
Q

Which part of the brainstem is posterior to the medulla oblongata?

A

Fourth ventricle

20
Q

What is the name of the structure on the surface of the medulla oblongata that contains the nucleus responsible for controlling taste perception?

A

Nucleus tractus solitarius

21
Q

Fill in the blank: The _______ is a structure on the surface of the medulla oblongata responsible for relaying sensory information from the tongue to the brain.

A

Glossopharyngeal nerve

22
Q

What is the name of the structure on the surface of the medulla oblongata that contains the nucleus responsible for controlling the gag reflex?

A

Nucleus ambiguus

23
Q

Fill in the blank: The _______ is a structure on the surface of the medulla oblongata responsible for relaying sensory information from the pharynx to the brain.

24
Q

What is the name of the structure on the surface of the medulla oblongata that contains the nucleus responsible for controlling the laryngeal muscles?

A

Nucleus ambiguus

25
Which part of the brainstem is anterior to the medulla oblongata?
Anterior median fissure
26
What is the name of the structure on the surface of the medulla oblongata that contains the nucleus responsible for controlling the muscles of the face and head?
Trigeminal motor nucleus
27
Fill in the blank: The _______ is a structure on the surface of the medulla oblongata responsible for relaying sensory information from the abdomen to the brain.
Vagus nerve
28
What is the name of the structure on the surface of the medulla oblongata that contains the nucleus responsible for controlling the muscles of the neck and shoulder?
Accessory nerve nucleus