Which statement is correct about caffeine?
a. Caffeine in cola drinks is limited to the amount derived from the cola nut.
b. Caffeine can counteract CNS depression caused by alcohol.
c. Large amounts of caffeine may cause convulsions.
d. Caffeine causes vasodilation of blood vessels throughout the body.
c
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A patient recovering from heart surgery develops pericarditis and complains of level 6 (0 to 10 scale) chest pain with deep breathing. Which ordered PRN medication will be the most appropriate for the nurse to give?
a. Fentanyl 1 mg IV b. IV morphine sulfate 4 mg c. Oral ibuprofen (Motrin) 600 mg d. Oral acetaminophen (Tylenol) 650 mg
In disseminated intravascular coagulation (DIC), the nurse assesses for active bleeding after in-travascular clotting because:
a. prothrombin is activated. b. clotting factors are depleted. c. inflammatory mediators are released. d. tissue factor (TF) is inactivated.
If student nurses wish to reduce anxiety about their clinical abilities by using positive affirma-tions to increase confidence, which statement or thought would be consistent with this plan?
1. "I should use therapeutic communication techniques." 2. "I am relaxed and more capable each day." 3. "I need to facilitate the healing process." 4. "I can ask my instructor to tell me what to do."
The patient comes to the emergency department with a head injury, broken ribs, and internal bleeding. Opioid analgesics are contraindicated. What does the nurse recognize as the primary rationale for this?
1. The use of opioid analgesics will depress the patient's blood pressure. 2. The patient may not be able to communicate his level of pain. 3. Opioids will not effectively relieve pain in the patient's periphery. 4. Opioids can mask changes in the patient's level of consciousness.