Rasmussen Pharmacology Final Exam
2026 Questions and Answers
What is usually common with first-generation antihistamines? - Answer -
Anticholinergic symptoms. Drowsiness, dry mouth, dizziness, fatigue, blurred
vision, disturbed coordination, using retention.
Routes that Diphenhydramine can be administered - Answer -PO, IM, IV
Diphenhydramine - Answer -Antihistamine.
Absorbed through the GI tract.
Metabolized by the liver.
Highly Protein bound.
Caution while driving due to drowsiness.
Onset of action for diphenhydramine - Answer -15-30 Min.
Nursing intervention for diphenhydramine IM - Answer -Administer IM form in a
large muscle. Avoid subcutaneous injection.
Oxymetazoline - Answer -Afrin
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, Dristan
Vicks Sinex
Phenylephrine - Answer -Sudafed PE
Suphedrin PE
Pseudoephedrine - Answer -Silfedrine
Sudafed
Suphedrin
Nasal Decongestants - Answer -Decreases the effect of beta blockers.
Increased hypertension & dysrhymia risk when taken with MAOI's (bipolar and
panic disorder drug)
Side effects of nasal decongestants - Answer -May cause initial reaction of
restlessness, nervousness, or jittery.
This will resolve after the body adjusts.
BP and blood glucose levels may increase with these meds
Nasal decongestants mixed with caffeine can increase... - Answer -the possibility
of restlessness or palpitations
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
2026 Questions and Answers
What is usually common with first-generation antihistamines? - Answer -
Anticholinergic symptoms. Drowsiness, dry mouth, dizziness, fatigue, blurred
vision, disturbed coordination, using retention.
Routes that Diphenhydramine can be administered - Answer -PO, IM, IV
Diphenhydramine - Answer -Antihistamine.
Absorbed through the GI tract.
Metabolized by the liver.
Highly Protein bound.
Caution while driving due to drowsiness.
Onset of action for diphenhydramine - Answer -15-30 Min.
Nursing intervention for diphenhydramine IM - Answer -Administer IM form in a
large muscle. Avoid subcutaneous injection.
Oxymetazoline - Answer -Afrin
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, Dristan
Vicks Sinex
Phenylephrine - Answer -Sudafed PE
Suphedrin PE
Pseudoephedrine - Answer -Silfedrine
Sudafed
Suphedrin
Nasal Decongestants - Answer -Decreases the effect of beta blockers.
Increased hypertension & dysrhymia risk when taken with MAOI's (bipolar and
panic disorder drug)
Side effects of nasal decongestants - Answer -May cause initial reaction of
restlessness, nervousness, or jittery.
This will resolve after the body adjusts.
BP and blood glucose levels may increase with these meds
Nasal decongestants mixed with caffeine can increase... - Answer -the possibility
of restlessness or palpitations
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
