What is the most common cause of iron deficiency in men and postmenopausal women?
a. Poor diet
b. Increased need
c. Chronic blood loss
d. Paroxysmal nocturnal hemoglobinuria
ANS: C
Chronic blood loss (bleeding ulcer, other gastrointestinal bleeding, urinary tract bleeding) eventually leads to iron deficiency. If iron deficiency develops in these individuals, then it requires a work-up by their physician to determine the source of bleeding; it can be occult.
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You have just finished an ambulance run where a 45-year-old man had run his SUV into a utility pole. The driver was found slumped over the steering wheel, unconscious. A large electrical wire was lying across the hood of the vehicle. After securing scene safety, you were able to approach the patient and complete a primary assessment, in which you found a 6" laceration across his forehead. The patient regained responsiveness, was alert and oriented, and refused care. Should an EMT document this call, even though the patient refused care?
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The right coronary artery supplies blood to the:
A. left ventricle and inferior wall of the right atrium. B. right ventricle and inferior wall of the left ventricle. C. right atrium and posterior wall of the right ventricle. D. left ventricle and posterior wall of the right ventricle.