Central Nervous System (and reflexes)

Front

What is the main function of the frontal lobe?

Back

The frontal lobe is responsible for higher cognitive functions such as reasoning, planning, problem-solving, and controlling behavior.

Front

True or False: The spinal cord extends to the coccyx.

Back

False. The spinal cord ends at the lumbar region and is protected by the vertebral column.

Front

List the components of a reflex arc in order from stimulus to response.

Back

1. Sensory receptor (5) 2. Afferent neuron (3) 3. Interneuron (1) 4. Efferent neuron (4) 5. Skeletal muscle (2) - Sequence: 5, 3, 1, 4, 2.

Front

What type of neuron is responsible for transmitting signals from sensory receptors to the spinal cord?

Back

Afferent neuron.

Front

What is the role of an interneuron in a reflex arc?

Back

Interneurons connect afferent neurons to efferent neurons and process the information within the spinal cord.

Front

What protects the spinal cord?

Back

The spinal cord is protected by the vertebral column, which consists of vertebrae.

Front

Define gray matter in the context of the central nervous system.

Back

Gray matter consists of neuronal cell bodies and is involved in processing and integrating information.

Front

Define white matter in the context of the central nervous system.

Back

White matter is made up of myelinated axons and is responsible for transmitting signals between different parts of the nervous system.

Front

What is the function of sensory receptors?

Back

Sensory receptors detect stimuli from the environment and convert them into electrical signals for the nervous system.

Front

What is the role of the spinal cord in reflex actions?

Back

The spinal cord acts as a pathway for signals to travel between the brain and the body, and it processes reflex actions independently of the brain.