QUIZ 1 NERVOUS SYSTEM (Preparatory to Quiz 1)

What does the Central Nervous System (CNS) consist of?

• A) Brain and nerves

• B) Brain and spinal cord

• C) Spinal cord and sensory receptors

• D) Brain and muscles

True or False: The Peripheral Nervous System (PNS) connects the CNS to the rest of the body.

• True

• False

The _ is the part of the neuron that receives signals from other neurons.

• Dendrite

• Axon

• Soma

• Myelin Sheath

Which of the following describes the function of sensory receptors?

• A) They only transmit signals to muscles.

• B) They detect stimuli and convert them into electrical signals.

• C) They process information in the brain.

• D) They are responsible for voluntary movements.

Tags

NGSS.MS-LS1-8

Which type of neuron carries signals from the sensory receptors to the CNS?

• A) Motor Neurons

• B) Sensory Neurons

• C) Interneurons

• D) Reflex Neurons

True or False: Nerve impulses are the electrical signals that travel along the axon of a neuron.

• True

• False

Fill in the Blank: The _ nervous system is responsible for processing sensory information and coordinating responses.

• Central

• Peripheral

• Autonomic

• Somatic

What happens when sensory receptors detect a stimulus?

• The receptors send signals to the brain.

• The receptors stop functioning.

• The receptors change their structure.

• The receptors become inactive.

Tags

NGSS.MS-LS1-8

Which part of the neuron sends signals away from the cell body?

• Axon

• Dendrites

• Cell Body

• Synapse

What occurs during the conversion step?

• Sensory receptors send signals to the brain.

• Physical energy from the stimulus is converted into electrical signals.

• The brain interprets the information.

• The body reacts to the stimulus.

Tags

NGSS.MS-LS1-8