An instrument called an electrocardiograph picks up the electrical changes in the heart muscle and amplifies them to record an electrocardiogram in the form of five waves. The five waves are labeled P, Q, R, S, and T. Which of the following statements best describes this process?
A. Electrical changes in the heart are too faint to be measured.
B. The electrocardiograph measures the strength of the myocardial contraction.
C. The myocardium is not involved.
D. Electrical changes in the heart are detectable and predictable.
E. Only diseased hearts give off electrical signals.
Answer: D
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Fill in the blank(s) with the appropriate word(s).
Which of the following statements about the use of angiotensin-converting enzyme inhibitor medications and autosomal recessive polycystic kidney disease (ARPKD) is accurate?
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A male client with osteoporosis is at high risk for fractures and has been prescribed teriparatide (Forteo), a parathyroid hormone to increase bone mineral density, bone mass, and strength. What possible side effects should the nurse educate the client about?
a. Hypotension b. Hypocalcemia c. Hyperthyroidism d. Hypothyroidism
The medical term for fainting is:
A) coma B) syncope C) lethargy D) aura