Answer to Question 1
ANS: C
Increased confusion is a symptom that occurs in cognitively impaired patients who experience an infection. Severe headache occurs with migraines, meningitis, and other conditions. Flank pain occurs with pyelonephritis. Blood glucose typically increases with an infection.
Answer to Question 2
ANS: A
Medications such as narcotics, hypertensives, sleeping meds, and others can cause disorientation and symptoms of delirium. The death of a spouse is more likely to cause depression than disorientation. A history of diabetes alone does not cause disorientation. Normal aging alone does not cause disorientation, although it is a risk factor.