A patient is hemorrhaging internally within his colon, which in turn is impairing perfusion to the cells of his body. Aside from the bleeding, the patient has no other problems. In this scenario, the problem impairing adequate perfusion would be:
A) Decreased blood volume
B) Inability to get oxygen to the alveoli
C) Poor myocardial pump function
D) Inadequate ventilation to eliminate carbon dioxide
A) Decreased blood volume
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a. four b. three c. six d. five
Which of the following is a cardiac diagnostic test that measures the electrical activity of the heart through the placement of electrodes on the chest and limbs?
A. Echocardiography B. Angiography C. Stress test D. Electrocardiogram E. Cardiac catheterization
Which of the following is a characteristic of the R-R interval in an idioventricular rhythm?
A. It cannot be determined. B. It is usually irregular due to ectopic beats. C. It depends on the pattern of PVCs. D. It is regular.
What should you ask a victim who is having difficulty breathing?
Are you choking? Should I call 911? Are you okay? Do you need any assistance?