AP BIO Study

Question 2

What is the primary function of the nervous system?

Answer 2

To coordinate and control body activities by transmitting signals between different parts of the body.

Question 3

True or False: The nervous system is responsible for both voluntary and involuntary actions.

Answer 3

True

Question 4

Fill in the blank: The nervous system is divided into the _____ and _____ nervous systems.

Answer 4

central, peripheral

Question 5

What are nerve signals also known as?

Answer 5

Action potentials

Question 6

Which part of the nervous system includes the brain and spinal cord?

Answer 6

Central nervous system

Question 7

What is the role of the peripheral nervous system?

Answer 7

To connect the central nervous system to the rest of the body.

Question 8

Multiple Choice: Which of the following is NOT a function of the nervous system? A) Sensory input B) Data storage C) Motor output D) Integration

Answer 8

B) Data storage

Question 9

What type of cells transmit nerve signals?

Answer 9

Neurons

Question 10

True or False: All nerve signals travel at the same speed.

Answer 10

False

Question 11

What are the two main types of nerves in the peripheral nervous system?

Answer 11

Sensory nerves and motor nerves

Question 12

Fill in the blank: The _____ nervous system controls involuntary actions.

Answer 12

autonomic

Question 13

What does the somatic nervous system control?

Answer 13

Voluntary movements of skeletal muscles

Question 14

Multiple Choice: Which part of the neuron receives signals from other neurons? A) Axon B) Dendrite C) Soma D) Synapse

Answer 14

B) Dendrite

Question 15

What is the function of myelin sheath?

Answer 15

To insulate axons and increase the speed of nerve signal transmission.

Question 16

True or False: Reflex actions are processed by the brain.

Answer 16

False

Question 17

What is the gap between two neurons called?

Answer 17

Synapse

Question 18

Fill in the blank: Neurotransmitters are released into the _____ to transmit signals between neurons.

Answer 18

synaptic cleft

Question 19

What is the role of sensory neurons?

Answer 19

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

Question 20

Multiple Choice: Which system is responsible for the ‘fight or flight’ response? A) Parasympathetic B) Sympathetic C) Somatic D) Central

Answer 20

B) Sympathetic

Question 21

What is the primary role of the spinal cord in the nervous system?

Answer 21

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

Question 22

True or False: The central nervous system can regenerate damaged neurons.

Answer 22

False

Question 23

What type of neuron carries signals away from the central nervous system?

Answer 23

Motor neuron

Question 24

Fill in the blank: The _____ nervous system is involved in resting and digesting.

Answer 24

parasympathetic

Question 25

What is the primary function of the autonomic nervous system?

Answer 25

To regulate involuntary bodily functions.

Question 26

Multiple Choice: Which of the following is a part of the central nervous system? A) Brain B) Heart C) Lungs D) Muscles

Answer 26

A) Brain

Question 27

What is the function of the cerebellum?

Answer 27

To coordinate voluntary movements and maintain posture and balance.

Question 28

What is the primary role of the nervous system?

Answer 28

To coordinate and control body activities through neural signaling.

Question 29

True or False: The nervous system is divided into two main parts.

Answer 29

True

Question 30

What are the two main divisions of the nervous system?

Answer 30

Central nervous system (CNS) and peripheral nervous system (PNS).

Question 31

Fill in the blank: The central nervous system consists of the ______ and ______.

Answer 31

brain; spinal cord

Question 32

What is the function of neurons?

Answer 32

To transmit information throughout the body.

Question 33

Multiple choice: Which of the following is NOT a type of neuron? A) Sensory B) Motor C) Hormonal D) Interneuron

Answer 33

C) Hormonal

Question 34

What is neural signaling?

Answer 34

The process by which neurons communicate with each other and with other cells.

Question 35

True or False: Neurotransmitters are chemicals that transmit signals across synapses.

Answer 35

True

Question 36

What is the role of the peripheral nervous system?

Answer 36

To connect the central nervous system to the limbs and organs.

Question 37

Fill in the blank: The ______ nervous system is responsible for voluntary movements.

Answer 37

somatic

Question 38

Multiple choice: Which part of the nervous system controls involuntary actions? A) Somatic B) Autonomic C) Central D) Peripheral

Answer 38

B) Autonomic

Question 39

What is the function of the autonomic nervous system?

Answer 39

To regulate involuntary bodily functions, such as heart rate and digestion.

Question 40

True or False: The sympathetic nervous system prepares the body for 'fight or flight' responses.

Answer 40

True

Question 41

What are the two main branches of the autonomic nervous system?

Answer 41

Sympathetic and parasympathetic nervous systems.

Question 42

Fill in the blank: The ______ nervous system helps the body to relax and conserve energy.

Answer 42

parasympathetic

Question 43

What is a synapse?

Answer 43

The junction between two neurons where communication occurs.

Question 44

Multiple choice: Which of the following is a common neurotransmitter? A) Acetylcholine B) Hemoglobin C) Insulin D) Myoglobin

Answer 44

A) Acetylcholine

Question 45

What is the myelin sheath?

Answer 45

A protective covering that insulates axons and speeds up neural transmission.

Question 46

True or False: All neurons are myelinated.

Answer 46

False

Question 47

What is the role of glial cells?

Answer 47

To support and protect neurons.

Question 48

Fill in the blank: ______ are specialized cells that transmit nerve impulses.

Answer 48

Neurons

Question 49

What is the blood-brain barrier?

Answer 49

A selective permeability barrier that protects the brain from harmful substances.

Question 50

Multiple choice: Which type of glial cell forms the myelin sheath in the CNS? A) Oligodendrocytes B) Astrocytes C) Microglia D) Ependymal

Answer 50

A) Oligodendrocytes

Question 51

What is the function of sensory neurons?

Answer 51

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

Question 52

True or False: Action potentials are all-or-nothing signals transmitted by neurons.

Answer 52

True

Question 53

Fill in the blank: The ______ is the part of the neuron that receives signals.

Answer 53

dendrite

Question 54

What is the primary function of motor neurons?

Answer 54

To transmit signals from the central nervous system to muscles and glands.

Question 55

Multiple choice: Which neurotransmitter is primarily involved in muscle contraction? A) Dopamine B) Serotonin C) Acetylcholine D) Norepinephrine

Answer 55

C) Acetylcholine

Question 56

What is the role of the spinal cord?

Answer 56

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

Question 57

True or False: Reflex actions are processed in the brain.

Answer 57

False

Question 58

Fill in the blank: The ______ nervous system is responsible for the body's response to stress.

Answer 58

sympathetic

Question 59

What is the function of the cerebellum?

Answer 59

To coordinate voluntary movements and balance.

Question 60

Multiple choice: Which structure is responsible for processing emotions? A) Cerebrum B) Brainstem C) Limbic system D) Cerebellum

Answer 60

C) Limbic system

Question 61

What does the term 'neuroplasticity' refer to?

Answer 61

The brain's ability to reorganize itself by forming new neural connections.