NEUROSCIENCE EXAMINATION QUESTIONS AND CORRECT ANSWER WITH EXPLANATION GRADED A+ STUDY GUIDE

NEUROSCIENCE EXAMINATION QUESTIONS AND
CORRECT ANSWER WITH EXPLANATION GRADED A+
STUDY GUIDE SOUTHERN NEW HAMPSHIRE UNIVERSITY
1. Neuroscience is the study of the:
A. Nervous system
B. Digestive system
C. Respiratory system
D. Skeletal system
Answer: A
Rationale: Neuroscience focuses on the structure and function of the nervous system.

2. The basic functional unit of the nervous system is the:
A. Neuron
B. Osteocyte
C. Fibroblast
D. Erythrocyte
Answer: A
Rationale: Neurons transmit electrical signals.

3. The nervous system is divided into the central and:
A. Peripheral nervous systems
B. Digestive systems
C. Muscular systems
D. Endocrine systems
Answer: A
Rationale: CNS and PNS are the two major divisions.

4. The central nervous system consists of the:
A. Brain and spinal cord
B. Heart and lungs
C. Muscles and bones
D. Liver and kidneys
Answer: A
Rationale: These structures process information.

5. The peripheral nervous system includes:
A. Cranial and spinal nerves

, B. Bones only
C. Muscles only
D. Hormones only
Answer: A
Rationale: Nerves connect the CNS to the body.

6. Neurons communicate through:
A. Electrical and chemical signals
B. Blood flow only
C. Hormones only
D. Bone conduction only
Answer: A
Rationale: Signals travel electrically and chemically.

7. The cell body of a neuron contains the:
A. Nucleus
B. Myelin only
C. Synapse only
D. Axon terminal only
Answer: A
Rationale: The nucleus controls cellular activities.

8. Dendrites primarily function to:
A. Receive signals
B. Produce hormones
C. Carry oxygen
D. Form myelin
Answer: A
Rationale: Dendrites receive incoming information.

9. Axons conduct impulses:
A. Away from the cell body
B. Toward the cell body
C. Into bones only
D. Into muscles only
Answer: A
Rationale: Axons transmit nerve impulses outward.

10. Myelin functions to:
A. Increase impulse conduction speed

, B. Decrease blood flow
C. Produce hormones
D. Reduce oxygen supply
Answer: A
Rationale: Myelin insulates nerve fibers.

11. In the peripheral nervous system, myelin is produced by:
A. Schwann cells
B. Astrocytes
C. Osteocytes
D. Fibroblasts
Answer: A
Rationale: Schwann cells form myelin in peripheral nerves.

12. In the central nervous system, myelin is produced by:
A. Oligodendrocytes
B. Chondrocytes
C. Platelets
D. Erythrocytes
Answer: A
Rationale: Oligodendrocytes insulate CNS axons.

13. The gap between neurons is called the:
A. Synapse
B. Osteon
C. Alveolus
D. Nephron
Answer: A
Rationale: Synapses enable neuron communication.

14. Neurotransmitters are released from the:
A. Axon terminals
B. Dendrites only
C. Nucleus only
D. Cell membrane only
Answer: A
Rationale: Chemical messengers are released at terminals.

15. Acetylcholine is an important:
A. Neurotransmitter