A patient receives morphine and shows signs of toxicity. The prescriber orders naloxone [Narcan] to reverse the effects of the morphine. The nurse understands that the naloxone reverses morphine toxicity by which action on morphine receptor sites?
a. Blocking transmitter reuptake
b. Inhibiting transmitter release
c. Interfering with transmitter storage
d. Preventing activation of receptors
D
Morphine and its antagonist, naloxone, act directly at the same receptors. Morphine causes acti-vation, and naloxone prevents activation. Neither morphine nor naloxone acts to alter transmitter reuptake, release, or storage.
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The nurse auscultates the client's lungs and prepares to document the assessment. Which breath sounds are considered abnormal and may require further intervention?
Select all that apply. 1. Crackles. 2. Vesicular. 3. Bronchovesicular. 4. Wheezes. 5. Bronchial.
An older patient who is terminally ill is receiving hospice care at home. What suggestion should the hospice nurse make in preparation for the patient's death?
1. Discuss being admitted to a hospital. 2. Suggest transferring to a long-term care facility. 3. Recommend admission to an inpatient hospice setting. 4. Find out what the patient needs to be comfortable at home.
A tendency of biologic systems to maintain stability of the internal environment while continually adjusting to changes is ____________________
Fill in the blank(s) with correct word
When an individual's serum pH begins to fall below 7.35, the mechanism that responds instantaneously to return the serum pH to normal level is
a. ammonia gas combining with H+. b. excretion of acid by the lungs. c. plasma bicarbonate buffering the acid. d. secretion of hydrogen ions (H+) by the kidneys.