FREE UWorld Customization Features Questions and Answers
Which of the following arteries is most likely injured in a midshaft humerus fracture?
The radial artery runs alongside the radial nerve in the radial groove of the humerus. Midshaft fractures can damage the nerve and the artery in this area, leading to radial nerve palsy and potential ischemia in distal structures.
A 65-year-old patient with hypertension is started on a medication that inhibits angiotensin-converting enzyme (ACE). Which adverse effect is most commonly associated with this drug?
ACE inhibitors reduce aldosterone secretion, which leads to decreased potassium excretion in the kidneys, resulting in hyperkalemia. Patients are monitored for elevated potassium levels after starting this medication.
A nurse is caring for a patient with a nasogastric tube who is at risk for aspiration pneumonia. Which intervention is most appropriate to minimize the risk?
Elevating the head of the bed reduces the risk of aspiration by using gravity to prevent stomach contents from flowing back into the esophagus and trachea.
If 𝑥²−4𝑥+3=0, what are the solutions for 𝑥?
The equation can be factored as (𝑥−1)(𝑥−3)= 0 (x−1)(x−3)=0. Setting each factor to zero gives 𝑥=1 or 𝑥=3.
Which of the following is the largest planet in our solar system?
Jupiter is the largest planet in the solar system by both mass and volume. Its massive size dominates the planetary system, accounting for more than twice the mass of all other planets combined.