Which approach to understanding arousal, stress, and anxiety…

Which approach to understanding arousal, stress, and anxiety is based on the following premise? Here is the premise: At low levels of arousal, performance will be below par. As arousal increases, performance will also increase until the athlete gets to a point of arousal where performance is optimized. But if arousal continues to increase beyond this point, performance will begin to go down.  

A 42-year old woman presents for an evaluation of back pain….

A 42-year old woman presents for an evaluation of back pain. She states that she has a history of recurrent UTI’s and that on occasion, she has noted that her urine appears red. Upon physical examination, she demonstrates CVA tenderness and a palpable abdominal mass. Her vital signs include blood pressure of 145/90 mmHg, RR 16 breaths/min, and a HR of 72 bpm. You order a UA that reveals: leukocyte esterase 1+, protein trace, and blood 3+. The microscopic examination reveals 5-10 WBCs/hpf and 20-30 RBCs/hpf. An abdominal US demonstrates multiple, bilateral fluid collections within the kidneys. What is the most likely diagnosis?

A 57 year old female with a past medical history of SLE pres…

A 57 year old female with a past medical history of SLE presents with dyspnea. She admits to having a chest cold for the past 10 days. On physical exam, she is diaphoretic with a heart rate of 120 bpm. You order a preliminary CXR which shows an enlarged cardiac shadow, without infiltrate. The most likely diagnosis now is: