Nerves and Hormones Quiz

What is the basic structural unit of the nervous system?

• spinal cord

• neuron

• brain cell

• nerve

Which part of the neuron receives signals from other neurons?

• Dendrites

• Synapse

• Cell body

• Axon

What is the function of neurotransmitters in the nervous system?

• They help in digestion of food.

• They regulate blood sugar levels in the body.

• They are responsible for muscle movement.

• They transmit signals between neurons in the nervous system.

Which hormone is responsible for the fight or flight response in the body?

• Adrenaline

• Dopamine

• Insulin

• Serotonin

Explain the role of adrenaline in the fight or flight response.

• Adrenaline has no effect on blood flow to muscles

• Adrenaline causes relaxation and calmness

• Adrenaline increases heart rate, dilates airways, and redirects blood flow to muscles.

• Adrenaline decreases heart rate and constricts airways

What is the feedback loop of hormone regulation and how does it work?

• Unbalanced regulation of hormone levels through the release and response to stimuli

• Regulation of hormone levels through the absorption of nutrients

• Regulation of hormone levels through the nervous system

• Balanced regulation of hormone levels through the release and response to stimuli

Name two organs of the central nervous system (CNS).

• Heart and lungs

• Stomach and intestines

• Liver and kidneys

• Brain and spinal cord

Name two organs of the peripheral nervous system (PNS).

• Heart and lungs

• Stomach and liver

• Nerves and ganglia

• Brain and spinal cord

What is the main function of the central nervous system?

• To regulate body temperature

• To process and transmit information throughout the body.

• To digest food

• To produce hormones

What is the main function of the peripheral nervous system?

• Store and retrieve memories

• Produce hormones

• Connect the central nervous system to the limbs and organs

• Regulate body temperature