ATI RN
Nervous System Multiple Choice Questions and Answers Questions
Question 1 of 5
The premotor cortex is involved in the planning and coordination of voluntary movements and is located anterior to the:
Correct Answer: A
Rationale: The premotor cortex, anterior to the primary motor cortex, plans movements.
Question 2 of 5
The ventral root of a spinal nerve primarily contains:
Correct Answer: B
Rationale: Ventral roots carry motor (efferent) fibers from the CNS.
Question 3 of 5
The vestibulocochlear nerve (VIII) is associated with:
Correct Answer: A
Rationale: The vestibulocochlear nerve (CN VIII) handles hearing and balance.
Question 4 of 5
Huntington's chorea has been linked with a deficiency in the amino acid:
Correct Answer: B
Rationale: Huntington’s disease involves reduced GABA (inhibitory neurotransmitter) function due to striatal neuron loss, not a dietary deficiency. Others are unrelated.
Question 5 of 5
Clostridium botulinum releases this enzyme that destroys peptide bonds.
Correct Answer: B
Rationale: Clostridium botulinum produces botulinum toxin, an endopeptidase that cleaves SNARE proteins, inhibiting neurotransmitter release. Amylase digests starch, exopeptidases cleave ends, protein kinase phosphorylates.