14. Coordination and Response

Question 1

What is a nerve impulse?

Answer 1

An electrical signal that passes along nerve cells (neurones)

Question 2

What is the difference between the central nervous system and the peripheral nervous system?

Answer 2

The central nervous system is the brain and the spinal cord, the peripheral nervous system is every other part of the nervous system

Question 3

What is an involuntary action?

Question 4

What is the main function of the nervous system?

Answer 4

To coordinate and control the body’s responses to internal and external stimuli.

Question 5

True or False: Hormones are part of the nervous system.

Answer 5

False

Question 6

What are the two main systems involved in coordination and response?

Answer 6

The nervous system and the endocrine system.

Question 7

Fill in the blank: The _______ is responsible for processing sensory information.

Answer 7

brain

Question 8

What is a reflex action?

Answer 8

An automatic and rapid response to a stimulus.

Question 9

Multiple choice: Which of the following is NOT a part of the central nervous system? A) Brain B) Spinal cord C) Peripheral nerves

Answer 9

C) Peripheral nerves

Question 10

What is the role of neurotransmitters?

Answer 10

To transmit signals across synapses between neurons.

Question 11

True or False: The endocrine system uses electrical signals to communicate.

Answer 11

False

Question 12

What is the difference between voluntary and involuntary actions?

Answer 12

Voluntary actions are consciously controlled; involuntary actions occur automatically.

Question 13

Fill in the blank: The _______ gland is known as the ‘master gland’ of the endocrine system.

Answer 13

pituitary

Question 14

Multiple choice: Which hormone is responsible for the fight or flight response? A) Insulin B) Adrenaline C) Thyroxine

Answer 14

B) Adrenaline

Question 15

What is the function of the sensory neurons?

Answer 15

To carry signals from sensory receptors to the central nervous system.

Question 16

True or False: Effectors are organs that produce a response to a stimulus.

Answer 16

True

Question 17

What type of feedback mechanism is used to maintain homeostasis?

Answer 17

Negative feedback mechanism.

Question 18

Fill in the blank: The _______ nervous system controls voluntary movements.

Answer 18

somatic

Question 19

Multiple choice: Which part of a neuron receives signals? A) Axon B) Dendrites C) Synapse

Answer 19

B) Dendrites

Question 20

What is the role of the hypothalamus?

Answer 20

To regulate homeostasis and control the endocrine system.

Question 21

True or False: The autonomic nervous system controls voluntary muscle movements.

Answer 21

False

Question 22

What is a synapse?

Answer 22

The junction between two neurons where neurotransmitters are released.

Question 23

Fill in the blank: The _______ is responsible for balance and coordination.

Answer 23

cerebellum

Question 24

Multiple choice: Which structure connects the brain to the spinal cord? A) Medulla B) Cerebrum C) Thalamus

Answer 24

A) Medulla

Question 25

What role do hormones play in the body?

Answer 25

They act as chemical messengers to regulate various physiological processes.

Question 26

True or False: The sympathetic nervous system prepares the body for rest.

Answer 26

False

Question 27

What is the function of motor neurons?

Answer 27

To carry signals from the central nervous system to effectors.

Question 28

Fill in the blank: The _______ is the part of the brain responsible for higher cognitive functions.

Answer 28

cerebrum

Question 29

Multiple choice: Which of the following hormones regulates blood sugar levels? A) Cortisol B) Insulin C) Estrogen

Answer 29

B) Insulin

Question 30

What is the role of the adrenal glands?

Answer 30

To produce hormones that help regulate metabolism, immune response, and stress.

Question 31

True or False: The parasympathetic nervous system is responsible for the 'fight or flight' response.

Answer 31

False

Question 32

What is the primary function of the spinal cord?

Answer 32

To transmit messages between the brain and the rest of the body.

Question 33

Fill in the blank: The _______ is the part of the brain that controls involuntary actions.

Answer 33

brainstem

Question 34

Multiple choice: Which neurotransmitter is involved in mood regulation? A) Dopamine B) Serotonin C) Both A and B

Answer 34

C) Both A and B

Question 35

What is a stimulus?

Answer 35

Any change in the environment that can provoke a response.

Question 36

True or False: All reflex actions involve the brain.

Answer 36

False

Question 37

What is the process of homeostasis?

Answer 37

The maintenance of a stable internal environment within the body.