Neurons that transmit nerve impulses from receptor

ATI LPN

ATI LPN Test Bank

Neurons that transmit nerve impulses from receptors to the central nervous system are _____ neurons:

A. interneuron B. motor neuron C. sensory neuron D. unipolar neuron

Correct Answer: C

Rationale: Sensory (afferent) neurons carry signals from receptors to CNS. [Level: Knowledge]

The electrical activity of the brain is recorded in the form of a(n):

A. electrocardiogram B. electroencephalogram C. myeleogram D. neurogram

Correct Answer: B

Rationale: An EEG records brain electrical activity. [Level: Knowledge]

Masses of gray matter deep in the cerebrum that help integrate motor commands are the:

A. limbic areas B. ventricles C. basal nuclei D. All of the above

Correct Answer: C

Rationale: Basal nuclei (ganglia) refine motor commands. [Level: Knowledge]

Identify the cranial nerve that has branches to serve internal organs:

A. trochlear B. trigeminal C. vagus D. hypoglossal

Correct Answer: C

Rationale: The vagus nerve (X) innervates thoracic/abdominal organs. [Level: Knowledge]

Which of the following is NOT an aging effect on the nervous system?

A. neurotransmitter production decreases B. neurological disorders increase C. brains lose neurons D. mental activities increase

Correct Answer: D

Rationale: Aging decreases mental activity capacity, not increases it. [Level: Comprehension]

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