A Nursing Student Asks the Nurse to Differentiate the Pathology

question 3

Multiple Choice

A nursing student asks the nurse to differentiate the pathology of Alzheimer disease from that of Parkinson disease. Which description is correct?

• A) Alzheimer disease involves a possible excess of acetylcholine and neuritic plaques.
• B) Alzheimer disease is caused by decreased amounts of dopamine and degeneration of cholinergic neurons.
• C) Parkinson disease is characterized by an imbalance of dopamine and acetylcholine.
• D) Parkinson disease involves increased dopamine production and decreased acetylcholine.

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Definitions:

DNA Polymerase

A catalyst that constructs DNA strands from deoxyribonucleotides, which are the foundational elements of DNA.

Translocation

The movement of organic materials (dissolved food) in the phloem of a plant. Chromosome abnormality in which part of one chromosome has become attached to another. Part of the elongation cycle of protein synthesis in which a transfer RNA attached to the growing polypeptide chain is transferred from the A site to the P site.

Ribosome

Cellular organelles that synthesize proteins by translating mRNA sequences.

tRNA

Transfer RNA, a type of RNA molecule that helps decode a messenger RNA (mRNA) sequence into a protein during the process of translation.