BIOS 150 Week 6 Quiz Exam 4 (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. What is the primary function of the nervous system?
A. Digestion
B. Control and coordination of body activities
C. Circulation
D. Respiration
Correct Answer: B. Control and coordination of body activities
Rationale: It regulates responses to internal and external stimuli.
2. What are the two main divisions of the nervous system?
A. Circulatory and respiratory
B. Central and peripheral
C. Digestive and excretory
D. Skeletal and muscular
Correct Answer: B. Central and peripheral
,Rationale: CNS includes brain and spinal cord; PNS includes
nerves.
3. What is the central nervous system (CNS)?
A. Nerves only
B. Brain and spinal cord
C. Muscles
D. Hormones
Correct Answer: B. Brain and spinal cord
Rationale: Responsible for processing and integration.
4. What is the peripheral nervous system (PNS)?
A. Brain
B. Spinal cord
C. Nerves outside CNS
D. Hormones
Correct Answer: C. Nerves outside CNS
Rationale: Connects CNS to the rest of the body.
5. What is a neuron?
A. Muscle cell
B. Nerve cell
C. Blood cell
D. Bone cell
,Correct Answer: B. Nerve cell
Rationale: Specialized for transmitting signals.
6. What is the function of dendrites?
A. Transmit impulses away
B. Receive signals
C. Store energy
D. Produce hormones
Correct Answer: B. Receive signals
Rationale: Carry impulses toward the cell body.
7. What is the function of the axon?
A. Receive signals
B. Transmit impulses away
C. Store nutrients
D. Produce ATP
Correct Answer: B. Transmit impulses away
Rationale: Carries impulses from neuron to other cells.
8. What is myelin sheath?
A. Protein
B. Fatty covering on axon
C. Nucleus
D. Cytoplasm
, Correct Answer: B. Fatty covering on axon
Rationale: Increases speed of impulse transmission.
9. What is synapse?
A. Neuron body
B. Gap between neurons
C. Axon
D. Dendrite
Correct Answer: B. Gap between neurons
Rationale: Where neurotransmitters transmit signals.
10. What are neurotransmitters?
A. Hormones
B. Chemical messengers
C. Proteins
D. Lipids
Correct Answer: B. Chemical messengers
Rationale: Carry signals across synapses.
11. What is the brain?
A. Muscle
B. Control center
C. Blood vessel
D. Hormone
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. What is the primary function of the nervous system?
A. Digestion
B. Control and coordination of body activities
C. Circulation
D. Respiration
Correct Answer: B. Control and coordination of body activities
Rationale: It regulates responses to internal and external stimuli.
2. What are the two main divisions of the nervous system?
A. Circulatory and respiratory
B. Central and peripheral
C. Digestive and excretory
D. Skeletal and muscular
Correct Answer: B. Central and peripheral
,Rationale: CNS includes brain and spinal cord; PNS includes
nerves.
3. What is the central nervous system (CNS)?
A. Nerves only
B. Brain and spinal cord
C. Muscles
D. Hormones
Correct Answer: B. Brain and spinal cord
Rationale: Responsible for processing and integration.
4. What is the peripheral nervous system (PNS)?
A. Brain
B. Spinal cord
C. Nerves outside CNS
D. Hormones
Correct Answer: C. Nerves outside CNS
Rationale: Connects CNS to the rest of the body.
5. What is a neuron?
A. Muscle cell
B. Nerve cell
C. Blood cell
D. Bone cell
,Correct Answer: B. Nerve cell
Rationale: Specialized for transmitting signals.
6. What is the function of dendrites?
A. Transmit impulses away
B. Receive signals
C. Store energy
D. Produce hormones
Correct Answer: B. Receive signals
Rationale: Carry impulses toward the cell body.
7. What is the function of the axon?
A. Receive signals
B. Transmit impulses away
C. Store nutrients
D. Produce ATP
Correct Answer: B. Transmit impulses away
Rationale: Carries impulses from neuron to other cells.
8. What is myelin sheath?
A. Protein
B. Fatty covering on axon
C. Nucleus
D. Cytoplasm
, Correct Answer: B. Fatty covering on axon
Rationale: Increases speed of impulse transmission.
9. What is synapse?
A. Neuron body
B. Gap between neurons
C. Axon
D. Dendrite
Correct Answer: B. Gap between neurons
Rationale: Where neurotransmitters transmit signals.
10. What are neurotransmitters?
A. Hormones
B. Chemical messengers
C. Proteins
D. Lipids
Correct Answer: B. Chemical messengers
Rationale: Carry signals across synapses.
11. What is the brain?
A. Muscle
B. Control center
C. Blood vessel
D. Hormone
