Brain Cells

What is the primary function of neurons in the brain?

• Transmit electrical signals

• Store fat

• Produce hormones

• Filter blood

Which type of brain cell is responsible for forming the blood-brain barrier?

• Neurons

• Astrocytes

• Oligodendrocytes

• Microglia

What is the role of myelin in the nervous system?

• To insulate axons and speed up signal transmission

• To produce neurotransmitters

• To store genetic information

• To protect the brain from infections

Which part of the neuron receives signals from other neurons?

• Axon

• Dendrite

• Soma

• Myelin sheath

What is the main function of microglia in the brain?

• To transmit electrical signals

• To act as immune cells

• To form synapses

• To produce cerebrospinal fluid

Which brain cells are primarily involved in the repair and scarring process of the brain and spinal cord following traumatic injuries?

• Neurons

• Astrocytes

• Oligodendrocytes

• Microglia

What is the primary neurotransmitter released by motor neurons to stimulate muscle contraction?

• Dopamine

• Serotonin

• Acetylcholine

• GABA

Which type of glial cell is responsible for producing myelin in the central nervous system?

• Astrocytes

• Schwann cells

• Oligodendrocytes

• Microglia

What is the function of synapses in the nervous system?

• To store energy

• To transmit signals between neurons

• To produce hormones

• To filter waste products

Which brain cells are known for their role in synaptic pruning during brain development?

• Neurons

• Astrocytes

• Oligodendrocytes

• Microglia