NU 553 UNIT 4 | COMPREHENSIVE NURSING STUDY GUIDE, PRACTICE
QUESTIONS & ANSWERS 2026/2027
What type of hypersensitivity reaction is anaphylaxis? - correct answer ✔✔Type 1 hypersensitivity
reaction.
What is the appropriate dose of cetirizine for a 4-year-old? - correct answer ✔✔2.5 mg.
Why is the use of MAO inhibitors contraindicated with pseudoephedrine? - correct answer ✔✔MAO
inhibitors can cause dangerous interactions with pseudoephedrine.
What is an appropriate treatment for allergic rhinitis after failing nasal fluticasone? - correct answer
✔✔Oral fexofenadine.
What is the first step in the treatment of allergic rhinitis? - correct answer ✔✔Remove the allergen if
possible.
What is the treatment for pernicious anemia? - correct answer ✔✔Cyanocobalamin 1000 mcg SQ or IM
monthly.
What can folate deficiency before and during pregnancy lead to? - correct answer ✔✔Neural tube
defects.
What is the most common route of HIV infection spread? - correct answer ✔✔Sexual transmission.
How often must preexposure prophylaxis (PrEP) be taken for effectiveness? - correct answer ✔✔Every
day.
What condition is associated with the development of lipodystrophy? - correct answer ✔✔Protease
inhibitors.
What system has the greatest impact on the risk of organ transplant rejection? - correct answer
✔✔Human leukocyte antigen (HLA) system.
What is a possible side effect of cyclosporin post organ transplant? - correct answer ✔✔Swollen and
bleeding gums.
What is a proximal DVT considered? - correct answer ✔✔A high-risk life-threatening emergency.
How must patients on warfarin be monitored? - correct answer ✔✔Via INR labs.
What should be done if a patient's INR is higher than desired? - correct answer ✔✔Hold a dose and then
re-evaluate.
What does a d-dimer level under 450 indicate? - correct answer ✔✔Thrombus can usually be ruled out.
QUESTIONS & ANSWERS 2026/2027
What type of hypersensitivity reaction is anaphylaxis? - correct answer ✔✔Type 1 hypersensitivity
reaction.
What is the appropriate dose of cetirizine for a 4-year-old? - correct answer ✔✔2.5 mg.
Why is the use of MAO inhibitors contraindicated with pseudoephedrine? - correct answer ✔✔MAO
inhibitors can cause dangerous interactions with pseudoephedrine.
What is an appropriate treatment for allergic rhinitis after failing nasal fluticasone? - correct answer
✔✔Oral fexofenadine.
What is the first step in the treatment of allergic rhinitis? - correct answer ✔✔Remove the allergen if
possible.
What is the treatment for pernicious anemia? - correct answer ✔✔Cyanocobalamin 1000 mcg SQ or IM
monthly.
What can folate deficiency before and during pregnancy lead to? - correct answer ✔✔Neural tube
defects.
What is the most common route of HIV infection spread? - correct answer ✔✔Sexual transmission.
How often must preexposure prophylaxis (PrEP) be taken for effectiveness? - correct answer ✔✔Every
day.
What condition is associated with the development of lipodystrophy? - correct answer ✔✔Protease
inhibitors.
What system has the greatest impact on the risk of organ transplant rejection? - correct answer
✔✔Human leukocyte antigen (HLA) system.
What is a possible side effect of cyclosporin post organ transplant? - correct answer ✔✔Swollen and
bleeding gums.
What is a proximal DVT considered? - correct answer ✔✔A high-risk life-threatening emergency.
How must patients on warfarin be monitored? - correct answer ✔✔Via INR labs.
What should be done if a patient's INR is higher than desired? - correct answer ✔✔Hold a dose and then
re-evaluate.
What does a d-dimer level under 450 indicate? - correct answer ✔✔Thrombus can usually be ruled out.