G.P. and his wife tell you they have heard that people with pacemakers can have their hearts stop because of microwave ovens and cell phones
Where can you help them find more information?
• The manufacturer of the pacemaker should also provide information on the vulnerability of its
product. Information might vary with the different devices.
• The American Heart Association is a good source of information and literature with the most recent
warnings and standards.
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What electrolyte inactivates troponin and allows actin and myosin to form a bridge enabling the muscle fibers to contract?
A) Magnesium B) Calcium C) Potassium D) Sodium
A 63-year-old patient is admitted with acute diverticulitis. The most appropriate nursing intervention to lessen this patient's signs and symptoms of increased flatus and chronic constipation alternating with diarrhea, anorexia, and nausea would be
to a. encourage a diet high in fiber content. b. reduce oral intake to rest the bowel. c. encourage fluids to prevent dehydration. d. administer laxatives to prevent secondary constipation.
When you get the results, his international normalized ratio (INR) is critical at 7.2
What is the danger of this INR level?
Which of the following occurs as a result of fatigue, emotions, or sensitivity to some substances in the environment?
A. wheals B. hives C. itching D. redness