A balanced chemical equation demonstrates that atoms are neither created nor destroyed during a chemical process.

Use Avogadro’s Number to convert between the number of moles and the grams of a compound.

The oxidation number for sodium in sodium chloride, NaCl, is 1+.

Which of the following is a characteristic of a binomial experiment?

Please use the following patient vignette to answer questions 34 – 35. A 41 y.o. man presents with a chief complaint of weakness and dizziness. His heart rate is 50 bpm with regularly, regular rhythm. 34. Which of the following is the most likely diagnosis?

Please use the following patient vignette to answer questions 39 – 40. Ms. White is a 17 year-old female brought to the ED complaining of shortness of breath and chest pain. Upon further questioning, her parents reveal that she has had dizzy spells after playing soccer and running track. Her father has diabetes and CAD, her mother was diagnosed with hypertrophic cardiomyopathy, and they state there has been sudden cardiac death in several relatives. Her HR is 110 bpm and her BP is 137/84 mmHg and her respiration rate is 18 breaths/min. 39. What would be the best next step for diagnosing this patient?

Please use the following patient vignette to answer questions 32 – 33. A 34-year-old woman in the ER for a complaint of dizziness and palpitations becomes unresponsive. At the physical exam no pulse or pressure can be detected. 33. What would be the best therapeutic approach to this patient?

26. A 63-year-old man presents with left-sided congestive heart failure. Which of the following signs or symptoms will be reported through patient history or observed on physical examination of the patient, is most consistent with such a diagnosis?

A 78 y.o. woman presents with a 2-month history of dyspnea, mostly at exertion. Her past history is significant for 1 episode of atrial fibrillation during a stress test, for which she has been treated with metoprolol (a b-blocker) and flecainide (an antiarrhythmic). On physical examination, blood pressure is 150/95 mmHg, heart rate is 88 bpm, respiratory rate is 18. No signs/symptoms of peripheral pitting edema or ascites (abdominal edema). Lung auscultation does not indicate rales or crackles. ECG does not show signs of ischemic damage or rhythm abnormalities, but shows a mild LV hypertrophy. A chest X-rays shows no signs of enlarged heart, and normal lungs profile. An echocardiogram shows a mild aortic regurgitation with a 58% EF (ejection fraction). 27. Based on the above signs/symptoms and test results, which of the following diagnoses do you suspect?

17. Please match the following valves to their appropriate location of auscultation: Location I Location II Location III Location IV A. Mitral Tricuspid Pulmonary Aortic B. Aortic Mitral Pulmonary Tricuspid C. Aortic Pulmonary Tricuspid Mitral D. Mitral Pulmonary Tricuspid Aortic