Sistema Nervioso Flashcards
(25 cards)
What is the primary function of the nervous system?
To coordinate and control the body’s activities by transmitting signals between different parts of the body.
True or False: The central nervous system consists of the brain and spinal cord.
True
Fill in the blank: The _______ is the part of the nervous system responsible for involuntary actions.
autonomic nervous system
What are the two main types of cells in the nervous system?
Neurons and glial cells
Which part of the neuron receives signals from other neurons?
Dendrites
Multiple Choice: Which structure connects the brain to the spinal cord? A) Cerebellum B) Medulla Oblongata C) Thalamus D) Hippocampus
B) Medulla Oblongata
What is the role of myelin in the nervous system?
To insulate axons and increase the speed of nerve impulse transmission.
True or False: The peripheral nervous system includes all the nerves outside the brain and spinal cord.
True
What is the function of the synapse?
To transmit signals between neurons.
Fill in the blank: The _______ lobe of the brain is primarily responsible for processing visual information.
occipital
Multiple Choice: What is the function of the cerebellum? A) Emotion regulation B) Coordination of movement C) Breathing control D) Memory storage
B) Coordination of movement
What is the blood-brain barrier?
A selective permeability barrier that protects the brain from toxins and pathogens.
True or False: The sympathetic nervous system is responsible for the ‘fight or flight’ response.
True
What is the role of the thalamus in the brain?
To relay sensory information to the appropriate areas of the cerebral cortex.
Fill in the blank: The _______ nervous system is responsible for the body’s rest and digest functions.
parasympathetic
What is a reflex arc?
The neural pathway that mediates a reflex action.
Multiple Choice: Which part of the neuron is responsible for sending signals away from the cell body? A) Axon B) Dendrite C) Soma D) Synapse
A) Axon
What are the meninges?
The protective membranes that cover the brain and spinal cord.
True or False: The spinal cord is part of the peripheral nervous system.
False
What does the term ‘neuroplasticity’ refer to?
The ability of the nervous system to change and adapt in response to experience.
Fill in the blank: The _______ is the largest part of the human brain, responsible for higher cognitive functions.
cerebrum
What is the function of the hypothalamus?
To regulate homeostasis and control the pituitary gland.
Multiple Choice: Which of the following is NOT a type of glial cell? A) Astrocytes B) Oligodendrocytes C) Schwann cells D) Hemocytes
D) Hemocytes
True or False: Dopamine is a neurotransmitter associated with pleasure and reward.
True
