A50-year-old hispanic man presents with an oval skin growth on his forehead. he noticed the growth 2 weeks ago, and it has gradually grew in size and is now bleeding spontaneously. he has been a farmer for the past 30 years and often works in the fields. he gives a history of cocaine abuse in his 20s. he is a diabetic and hypertensive on treatment with metformin and atenolol, respectively. on exam, there is an erythematous papule about 3x3 cm in size, which bleeds on probing. his bmi is 30. biopsy of the lesion reveals squamous cell carcinoma (scc) of the skin.
what is a risk factor for scc in this man?
(a) cocaine abuse
(b) his ethnicity
(c) his gender
(d) obesity

A92-year-old man with a 45-year history of chronic obstructive pulmonary disease is intubated in the icu because of a bout of viral pneumonia that fails to improve after 72 hours of antibiotics. although the inspired fraction of oxygen is 100%, the patient's po2 remains at 57 mmhg. positive-end expiratory pressure (peep) is added to allow the inspired fraction of oxygen. twelve hours after the introduction of peep the patient suddenly become hypotensive. at the same time, his oxygen saturation drops from 92% to 61%. on physical examination, his bp is 80/50 mmhg and his pulse is 124/min. he has distended neck veins and distant heart sounds. which of the following would also most likely be seen on this patient's physical examination? - absence of breath sounds in the right hemithorax- high amplitude carotid artery upstroke- a pleural friction rub- pulsus alternans- splenomegaly

What is known about the role that insulin plays in the processing of blood sugar?

How much do the tanakas spend on health insurance premiums each year