NURS 420 EXAM | QUESTIONS AND ANSWERS | 2026 UPDATE | WITH COMPLETE SOLUTIONS 100% CORRECT

NURS 420 EXAM 5 | QUESTIONS AND
ANSWERS | 2026 UPDATE | WITH
COMPLETE SOLUTIONS.


Complications of sickle cell: - ANSWER>- Sickle cell crisis


- Acute chest syndrome


- Increased infection risk


- CVA


- Growth delays in children


- Jaundice


- Organ damage




Acute Chest Syndrome: - ANSWER>Sickle cells block small blood vessels to the lungs, reducing oxygen delivery




Sickle cell crisis: - ANSWER>Sickle cells cause vaso-occlusion, leading to tissue damage and organ dysfunction




Sickle cell crisis triggers: - ANSWER>- Dehydration

, - Cold temperatures


- Infections


- Emotional stress


- Smoking




Nursing care for sickle cell crisis: - ANSWER>- IV fluids (prevents further sickling)


- Oxygen therapy


- Pain management!!!


- Bedrest




VQ scan: - ANSWER>A two-part test that uses a small amount of radioactive material to show how air and blood


move through the lungs (Ventilation/Perfusion)




What's the difference between ventilation and perfusion? - ANSWER>- Ventilation is the movement of air in and


out of the lungs


- Perfusion is the flow of blood through the pulmonary capillaries for gas exchange