A type IV hypersensitivity reaction causes which result?
a. Antibodies coating mast cells by binding to receptors that signal its degranulation, followed by the discharge of preformed mediators
b. Antibodies binding to soluble antigens that were released into body fluids and the immune complexes being deposited in the tissues
c. Lymphokine-producing Th1 cells directly attacking and destroying cellular targets
d. Antibodies binding to the antigen on the cell surfac
Ans: c. Lymphokine-producing Th1 cells directly attacking and destroying cellular targets
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The nurse is preparing to perform a dressing change on a patient following a total hip replacement. When should the nurse administer an analgesic drug in an attempt to promote patient comfort during the dressing change?
a. After the dressing change b. At least 15 minutes before the dressing change c. At least 30 minutes before the dressing change d. At least 1 hour before the dressing change
Directions: Write the abbreviation for the term. drop: _____
ANS:
The nurse is caring for a patient with a massive burn injury and possible hypovolemia. Which assessment data will be of most concern to the nurse?
a. Blood pressure is 90/40 mm Hg. b. Urine output is 30 mL over the last hour. c. Oral fluid intake is 100 mL for the last 8 hours. d. There is prolonged skin tenting over the sternum.
Which intervention would be appropriate to use in Carl Rogers' client-centered therapy?
a. introspection b. role-playing c. behavior modification d. interpretation