BIOS 242 Week 5 Quiz Exam 2 (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. Which system controls and coordinates body activities?
A. Nervous system
B. Muscular system
C. Skeletal system
D. Digestive system
Correct Answer: A
Rationale:Sends electrical signals throughout the body.
2. What is the basic unit of the nervous system?
A. Neuron
B. Axon
C. Dendrite
D. Synapse
Correct Answer: A
Rationale:Specialized cell for transmitting impulses.
3. Which part of neuron receives signals?
,A. Dendrite
B. Axon
C. Cell body
D. Synapse
Correct Answer: A
Rationale:Receives incoming information.
4. Which part sends signals away from cell body?
A. Axon
B. Dendrite
C. Soma
D. Nucleus
Correct Answer: A
Rationale:Conducts impulses outward.
5. What insulates axons to speed transmission?
A. Myelin sheath
B. Synapse
C. Dendrite
D. Soma
Correct Answer: A
Rationale:Increases conduction speed.
6. Which cells produce myelin in CNS?
,A. Oligodendrocytes
B. Schwann cells
C. Astrocytes
D. Microglia
Correct Answer: A
Rationale:Form myelin in brain and spinal cord.
7. Which cells produce myelin in PNS?
A. Schwann cells
B. Oligodendrocytes
C. Astrocytes
D. Neurons
Correct Answer: A
Rationale:Cover peripheral nerves.
8. Which part of nervous system includes brain and spinal cord?
A. Central nervous system
B. Peripheral nervous system
C. Autonomic system
D. Somatic system
Correct Answer: A
Rationale:Main control center.
9. Which part includes nerves outside CNS?
, A. Peripheral nervous system
B. Central nervous system
C. Autonomic system
D. Brain
Correct Answer: A
Rationale:Connects CNS to body.
10. Which system controls voluntary actions?
A. Somatic nervous system
B. Autonomic nervous system
C. Sympathetic system
D. Parasympathetic system
Correct Answer: A
Rationale:Controls skeletal muscles.
11. Which system controls involuntary functions?
A. Autonomic nervous system
B. Somatic nervous system
C. Skeletal system
D. Muscular system
Correct Answer: A
Rationale:Regulates organs automatically.
12. Which division prepares body for stress?
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. Which system controls and coordinates body activities?
A. Nervous system
B. Muscular system
C. Skeletal system
D. Digestive system
Correct Answer: A
Rationale:Sends electrical signals throughout the body.
2. What is the basic unit of the nervous system?
A. Neuron
B. Axon
C. Dendrite
D. Synapse
Correct Answer: A
Rationale:Specialized cell for transmitting impulses.
3. Which part of neuron receives signals?
,A. Dendrite
B. Axon
C. Cell body
D. Synapse
Correct Answer: A
Rationale:Receives incoming information.
4. Which part sends signals away from cell body?
A. Axon
B. Dendrite
C. Soma
D. Nucleus
Correct Answer: A
Rationale:Conducts impulses outward.
5. What insulates axons to speed transmission?
A. Myelin sheath
B. Synapse
C. Dendrite
D. Soma
Correct Answer: A
Rationale:Increases conduction speed.
6. Which cells produce myelin in CNS?
,A. Oligodendrocytes
B. Schwann cells
C. Astrocytes
D. Microglia
Correct Answer: A
Rationale:Form myelin in brain and spinal cord.
7. Which cells produce myelin in PNS?
A. Schwann cells
B. Oligodendrocytes
C. Astrocytes
D. Neurons
Correct Answer: A
Rationale:Cover peripheral nerves.
8. Which part of nervous system includes brain and spinal cord?
A. Central nervous system
B. Peripheral nervous system
C. Autonomic system
D. Somatic system
Correct Answer: A
Rationale:Main control center.
9. Which part includes nerves outside CNS?
, A. Peripheral nervous system
B. Central nervous system
C. Autonomic system
D. Brain
Correct Answer: A
Rationale:Connects CNS to body.
10. Which system controls voluntary actions?
A. Somatic nervous system
B. Autonomic nervous system
C. Sympathetic system
D. Parasympathetic system
Correct Answer: A
Rationale:Controls skeletal muscles.
11. Which system controls involuntary functions?
A. Autonomic nervous system
B. Somatic nervous system
C. Skeletal system
D. Muscular system
Correct Answer: A
Rationale:Regulates organs automatically.
12. Which division prepares body for stress?
