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The leading cause of death for women over the age of 65:  

A 23-year-old college student presents with 2 to 3 weeks of frequent stools that are mixed with blood and mucus. The frequent stools are associated with worsening tenesmus. Vital signs are within normal limits, and the physical examination is normal. The white blood cell count is also normal, and stool testing for infectious agents is negative. Which one of the following is the best next step in evaluating this patient?

54. A patient in the intensive care unit develops sinus bradycardia with tall peaked T waves and absent P waves on ECG. Which electrolyte abnormality is associated with these changes seen on ECG?

A 29-year-old woman would like to start taking oral contraceptive pills, and asks the NP when she can start the prescription. Her last menstrual period ended 5 days ago, she has not had sexual intercourse in 2 weeks, she is healthy, a nonsmoker, and had no problems when taking birth control pills previously. Which advice is accurate?

A pterygium is more common in people exposed to:

94.  A 72-year-old man was admitted to the ICU after surgical control of abdominal sepsis. The patient’s shock has resolved, but he remains mechanically ventilated and could not be extubated because of agitation. After morning rounds a medical student approaches you and expresses concern that this patient is at high risk for ICU delirium which, in turn, increases mortality. She asks if there are any pharmacological options to address ICU delirium. Which of the following is currently recommended for prevention or treatment of ICU delirium in this patient?

22. When treating myasthenia gravis, what major side effect can excessive use of anticholinesterase medication cause that results in paradoxical weakness?

74. A 70-year-old patient with a history of diabetes, hypertension, arthritis, and a new diagnosis of coronary artery disease, is being discharged. The adult-gerontology acute care nurse practitioner teaches the patient that the first point of contact for health care needs is the:    

98. You obtain PFTs for your patient with a past medical history of CAD, DMII, Emphysema HTN who continues to smoke with a 1 pack/day history of smoking for 30 years. What would you expect to see on the PFTs for this patient?

27. A 70-year-old woman presents to your clinic for routine follow-up after an urgent care visit for an abscess on her buttock. After incision and drainage, she was prescribed clindamycin. Now, five days later, the surgical site is well appearing, but the patient has developed low-grade fevers, fatigue, and profuse, watery diarrhea about 12 times per day that is associated with sharp, crampy abdominal pain. Based on her history, you suspect C. difficile colitis. What is the first step in the treatment while awaiting culture results?