How does a myocardial infarction (MI) alter the pumping efficiency of the heart?
a. An MI reduces the impulse from the si-noatrial node.
b. An MI causes myocardial necrosis.
c. An MI shunts all myocardial blood flow to a specific cardiac region.
d. An MI causes myocardial swelling and inflammation.
B
Myocardial necrosis (damaged or dead heart muscle tissue) cannot contract effectively, which decreases pumping efficiency (cardiac output).
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The nurse is aware that seizures may be caused by: (Select all that apply.)
a. stroke. b. cerebral tumor. c. hyperpyrexia. d. epilepsy. e. metabolic toxicity.
Drawbacks of complementary and alternative therapies would be all of the following except
a. Lack of evidence-based guidelines. b. Minimal supportive research studies. c. Strong support by allopathic medical providers. d. Lack of a long tradition of therapies taught in health care education.
In neonates, the number of protein-binding sites is limited. What is the danger of competitive medication binding?
a. kernicterus or bilirubin encephalopathy b. Wernicke-Korsakoff syndrome c. bilirubinuria d. xanthoendothelioma or pantanencephaly
A patient you are caring for is receiving a bolus tube feeding through a nasogastric (NG) tube. You observe the patient is comfortable and resting in the supine position. Should you take any action?
What will be an ideal response?