LIMBICO Flashcards

1
Q

regula funciones esenciales como:

Nivel de conciencia y estado de alerta
Regulación del tono muscular y reflejos posturales
Modulación del sistema autónomo, influyendo en la respiración, el ritmo cardíaco y la presión arterial.

A

area reticular

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2
Q

Es un núcleo del tronco encefálico ubicado en la protuberancia que es la principal fuente de noradrenalina en el cerebro.

Funciones:

Regulación de la atención y alerta.
Participación en la respuesta al estrés y la ansiedad.
Influye en la fase REM del sueño.

A

Locus coeruleus

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3
Q

Produce dopamina y la envía a los ganglios basales (especialmente al estriado).
Es esencial para el control del movimiento voluntario.
Su degeneración está relacionada con la enfermedad de Parkinson.
Regula la salida de señales de los ganglios basales.
Participa en la modulación del movimiento y el control del tono muscular.

A

Sustancia negra

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4
Q

Funciones del hipotálamo

A

Regulación del sistema nervioso autónomo
Control de la temperatura corporal
Regulación del hambre y la saciedad
Regulación del sueño y los ritmos circadianos
Regulación de la conducta emociona

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5
Q

What is the primary function of the reticular formation?

A

The primary function of the reticular formation is to regulate arousal and alertness.

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6
Q

True or False: The locus coeruleus is involved in the release of norepinephrine.

A

True

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7
Q

Fill in the blank: The substantia nigra is primarily associated with ____ control and movement.

A

motor

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8
Q

What neurotransmitter is primarily produced in the substantia nigra?

A

Dopamine

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9
Q

Which area of the brain is involved in the sleep-wake cycle regulation?

A

The hypothalamus

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10
Q

Multiple Choice: Which function is NOT associated with the hypothalamus? A) Temperature regulation B) Hunger C) Visual processing D) Hormonal control

A

C) Visual processing

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11
Q

What role does the locus coeruleus play in response to stress?

A

It activates the fight-or-flight response.

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12
Q

True or False: The reticular activating system is crucial for maintaining consciousness.

A

True

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13
Q

Fill in the blank: The hypothalamus regulates the ____ system, controlling various autonomic functions.

A

endocrine

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14
Q

What is the relationship between the substantia nigra and Parkinson’s disease?

A

Degeneration of the substantia nigra is a key feature of Parkinson’s disease.

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15
Q

Multiple Choice: Which part of the brain helps to coordinate movement? A) Hypothalamus B) Substantia nigra C) Locus coeruleus D) Reticular formation

A

B) Substantia nigra

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16
Q

What is the primary output of the locus coeruleus?

A

Norepinephrine

17
Q

True or False: The reticular formation is involved in both sensory and motor pathways.

18
Q

Fill in the blank: The hypothalamus is crucial for maintaining ____ balance in the body.

A

homeostatic

19
Q

What effect does stimulation of the reticular formation have on the body?

A

It increases alertness and attention.