Which of the following is NOT an apothecary system unit for measuring liquids or volume?

An 84-year-old man complains of generalized weakness and an ache in his left shoulder. He also reports mild shortness of breath and has clear lung sounds and an SpO2 of 96%. When asked, he claims that the discomfort started after getting out of bed two hours ago. He denies any known injury to his shoulder or back. He has a history of coronary artery disease, hypertension, TIA, and dementia. Your

differential diagnosis for this patient should include: A) aortic dissection, pulmonary embolism, and myocardial infarction. B) myocardial infarction, stroke, and musculoskeletal trauma. C) trauma, pulmonary embolism, and pneumonia. D) COPD, stroke, and medication overdose.

The method(s) most successful at removing plaque from interproximal surfaces of teeth is/are ______________

1 . vigorous rinsing with mouthwashes 2 . using an irrigating device 3 . brushing with a fluoridated toothpaste 4 . chewing gum 5 . flossing a. 1, 2, 3, 4, 5 b. 2 only c. 5 only d. 2 and 5