Thoracic outlet syndrome (TOS) is a rare condition in which the subclavian vessels and the brachial plexus are compressed at the ___________
A. apex of the thorax B. suprasternal notch
ANS: A
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________ devices are attempts to replace natural body parts or organs with artificial devices.
A) Replacement B) Prosthetic C) Artificial D) None of the above
On an electrocardiogram, the time between atrial and ventricular contraction is known as the:
a. P–R segment c. QRS interval b. ST segment d. Q–T interval
________ is a disorder caused by an infection with the bacteria E. coli
A) Glomerulonephritis B) Acute renal failure C) Hemolytic uremic syndrome D) Diabetes insipidus
You are recording an ECG for a patient at a wellness clinic. The patient appears to be in good health and has no obvious signs or symptoms of heart trouble. A portion of the ECG tracing is shown below. What are your conclusions?
A. Accelerated junctional rhythm B. Sinus tachycardia C. Normal sinus rhythm D. Junctional tachycardia