BIOS 150 Week 5 Quiz Exam 2 (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. What is the main function of the nervous system?
A. Digestion
B. Coordination and control of body activities
C. Blood circulation
D. Waste removal
Correct Answer: B. Coordination and control of body activities
Rationale: The nervous system regulates responses to internal and
external stimuli.
2. What is a neuron?
A. Muscle cell
B. Nerve cell
C. Blood cell
D. Bone cell
Correct Answer: B. Nerve cell
,Rationale: Neurons transmit electrical impulses throughout the
body.
3. What is the function of dendrites?
A. Send signals away
B. Receive incoming signals
C. Produce hormones
D. Store energy
Correct Answer: B. Receive incoming signals
Rationale: Dendrites receive signals from other neurons.
4. What is the function of the axon?
A. Receive signals
B. Transmit signals away from cell body
C. Store calcium
D. Produce ATP
Correct Answer: B. Transmit signals away from cell body
Rationale: Axons carry nerve impulses to other cells.
5. What is the central nervous system (CNS)?
A. Nerves only
B. Brain and spinal cord
C. Muscles and bones
D. Hormones
,Correct Answer: B. Brain and spinal cord
Rationale: CNS processes and integrates information.
6. What is the peripheral nervous system (PNS)?
A. Brain only
B. Spinal cord only
C. Nerves outside CNS
D. Hormones
Correct Answer: C. Nerves outside CNS
Rationale: PNS connects CNS to rest of the body.
7. What is a reflex arc?
A. Conscious movement
B. Pathway of reflex action
C. Hormonal response
D. Digestive process
Correct Answer: B. Pathway of reflex action
Rationale: Allows quick, automatic responses.
8. What is the function of the cerebrum?
A. Balance
B. Thinking and memory
C. Heart rate
D. Breathing
, Correct Answer: B. Thinking and memory
Rationale: Responsible for higher brain functions.
9. What is the function of the cerebellum?
A. Thinking
B. Balance and coordination
C. Hormone secretion
D. Digestion
Correct Answer: B. Balance and coordination
Rationale: Coordinates voluntary movements.
10. What is the brainstem responsible for?
A. Memory
B. Vital functions like breathing
C. Vision only
D. Muscle growth
Correct Answer: B. Vital functions like breathing
Rationale: Controls automatic processes.
11. What is a neurotransmitter?
A. Hormone
B. Chemical messenger between neurons
C. Protein
D. Lipid
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. What is the main function of the nervous system?
A. Digestion
B. Coordination and control of body activities
C. Blood circulation
D. Waste removal
Correct Answer: B. Coordination and control of body activities
Rationale: The nervous system regulates responses to internal and
external stimuli.
2. What is a neuron?
A. Muscle cell
B. Nerve cell
C. Blood cell
D. Bone cell
Correct Answer: B. Nerve cell
,Rationale: Neurons transmit electrical impulses throughout the
body.
3. What is the function of dendrites?
A. Send signals away
B. Receive incoming signals
C. Produce hormones
D. Store energy
Correct Answer: B. Receive incoming signals
Rationale: Dendrites receive signals from other neurons.
4. What is the function of the axon?
A. Receive signals
B. Transmit signals away from cell body
C. Store calcium
D. Produce ATP
Correct Answer: B. Transmit signals away from cell body
Rationale: Axons carry nerve impulses to other cells.
5. What is the central nervous system (CNS)?
A. Nerves only
B. Brain and spinal cord
C. Muscles and bones
D. Hormones
,Correct Answer: B. Brain and spinal cord
Rationale: CNS processes and integrates information.
6. What is the peripheral nervous system (PNS)?
A. Brain only
B. Spinal cord only
C. Nerves outside CNS
D. Hormones
Correct Answer: C. Nerves outside CNS
Rationale: PNS connects CNS to rest of the body.
7. What is a reflex arc?
A. Conscious movement
B. Pathway of reflex action
C. Hormonal response
D. Digestive process
Correct Answer: B. Pathway of reflex action
Rationale: Allows quick, automatic responses.
8. What is the function of the cerebrum?
A. Balance
B. Thinking and memory
C. Heart rate
D. Breathing
, Correct Answer: B. Thinking and memory
Rationale: Responsible for higher brain functions.
9. What is the function of the cerebellum?
A. Thinking
B. Balance and coordination
C. Hormone secretion
D. Digestion
Correct Answer: B. Balance and coordination
Rationale: Coordinates voluntary movements.
10. What is the brainstem responsible for?
A. Memory
B. Vital functions like breathing
C. Vision only
D. Muscle growth
Correct Answer: B. Vital functions like breathing
Rationale: Controls automatic processes.
11. What is a neurotransmitter?
A. Hormone
B. Chemical messenger between neurons
C. Protein
D. Lipid
