Author Question: A nurse has been administering a drug to a patient intramuscularly (IM). The physician discontinued ... (Read 59 times)

jrubin · **on:** Jul 23, 2018

A nurse has been administering a drug to a patient intramuscularly (IM). The physician discontinued the IM dose and wrote an order for the drug to be given orally.

The nurse notices that the oral dosage is considerably higher than the parenteral dose and understands that this due to
A) passive diffusion.
B) active transport.
C) glomerular filtration.
D) first-pass effect.

Question 2

A 73-year-old man was diagnosed with Parkinson disease earlier this year and has begun taking carbidopa-levodopa four times daily in an effort to control the signs and symptoms of the disease.

The nurse should recognize that this therapeutic effect is achieved by influencing the
A) uptake of acetylcholine.
B) dopamine receptors in the brain.
C) synthesis of epinephrine.
D) sensitivity of beta-2 receptors.