Myocardial ischemia is best represented on the electrocardiogram (ECG) by
A) deep Q waves.
B) T wave inversion.
C) ST segment elevation.
D) skipped P waves.
B
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The nurse knows that with the onset of darkness and in preparation for sleep:
a. cortisol levels peak. b. cortisol levels increase. c. core body temperature increases. d. melatonin levels increase.
The nurse is caring for a patient who develops epistaxis. Which nursing intervention is advisable?
1. Have the client lie supine and place ice packs to his forehead. 2. Have the client tilt his head forward and apply pressure by pinching the nares toward the septum. 3. Apply heat to the client's nose. 4. Have the client tilt his head back and hold pressure to his nose by pinching the nares toward the septum.
The VALUE mnemonic is a helpful strategy to enhance communication with family members of critically ill patients. Which of the following statements describes a VALUE strategy?
a. View the family as guests on the unit. b. Acknowledge family emotions. c. Learn as much as you can about family structure and function. d. Use a trained interpreter if the family does not speak English. e. Evaluate each encounter with the family.
The nurse uses heat application for the client's treatment. Which does the nurse expect as a client benefit of heat application?
1. Increased blood viscosity 2. Increasing muscle tension 3. Increasing cell metabolism 4. Increasing vasoconstriction