Brainstem Flashcards

1
Q

What are the three main divisions of the brainstem?

A

The medulla oblongata, the pons, and the midbrain.

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2
Q

Which division of the brainstem is responsible for controlling vital functions like breathing and heart rate?

A

The medulla oblongata.

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3
Q

What is the primary function of the pons in the brainstem?

A

To serve as a bridge between different parts of the brain.

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4
Q

Which division of the brainstem is located between the medulla oblongata and the midbrain?

A

The pons.

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5
Q

What is the main function of the midbrain in the brainstem?

A

To control eye movement and relay visual and auditory information.

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6
Q

True or False: The brainstem is responsible for higher brain functions like conscious thought and decision-making.

A

False.

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7
Q

Which part of the brainstem is continuous with the spinal cord?

A

The medulla oblongata.

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8
Q

What is the reticular formation in the brainstem responsible for?

A

Regulating sleep-wake cycles and consciousness.

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9
Q

What is the function of the tectum in the midbrain?

A

To control reflexive movements in response to visual and auditory stimuli.

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10
Q

Which division of the brainstem is responsible for maintaining balance and coordination?

A

The cerebellum.

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11
Q

What is the main function of the red nucleus in the midbrain?

A

To control voluntary movements.

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12
Q

Which part of the brainstem is responsible for processing sensory information and coordinating motor responses?

A

The midbrain.

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13
Q

What is the function of the substantia nigra in the midbrain?

A

To regulate reward and movement.

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14
Q

True or False: Damage to the brainstem can result in paralysis.

A

True.

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15
Q

Which division of the brainstem is responsible for transmitting information between the spinal cord and higher brain structures?

A

The pons.

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16
Q

What is the main function of the inferior colliculi in the midbrain?

A

To process auditory information.

17
Q

Which division of the brainstem contains the nuclei responsible for cranial nerves III to XII?

A

The midbrain.

18
Q

What is the function of the medulla oblongata in the brainstem?

A

To regulate essential autonomic functions like heart rate and blood pressure.

19
Q

True or False: The brainstem plays a role in controlling emotions and memory.

A

False.

20
Q

Which part of the brainstem is responsible for the fight-or-flight response?

A

The reticular formation.

21
Q

What is the function of the superior colliculi in the midbrain?

A

To process visual information and control eye movements.

22
Q

Which division of the brainstem contains the nuclei responsible for cranial nerves V to VIII?

A

The pons.

23
Q

What is the main function of the cerebral peduncles in the midbrain?

A

To connect the cerebral cortex to the rest of the brain.

24
Q

True or False: The brainstem is essential for survival as it controls basic life-sustaining functions.

A

True.