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Anatomy > Medulla > Flashcards

Medulla Flashcards

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.

A

False

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.

A

Vagus nerve

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
Q

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

A

Anterior median fissure

26
Q

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?

A

Trigeminal motor nucleus

27
Q

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.

A

Vagus nerve

28
Q

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?

A

Accessory nerve nucleus

Anatomy (6 decks)

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