Which of the following compensatory mechanisms is activated in the body in untreated chronic heart failure?
A. Structural remodeling
B. Decrease in size of the walls of the heart chambers
C. Blockade of epinephrine and norepinephrine receptors
D. Vasodilation
Answer: A
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The nurse is auscultating the chest in an adult. Which technique is correct?
a. Instructing the patient to take deep, rapid breaths b. Instructing the patient to breathe in and out through his or her nose c. Firmly holding the diaphragm of the stethoscope against the chest d. Lightly holding the bell of the stethoscope against the chest to avoid friction
You anticipate that your region will soon move towards an e-health record system. You begin to discuss this with your staff and are disappointed that you receive little positive response from the staff about this possibility. One staff member, in particular, seems to sum it up by saying "e-health? Won't happen in my working life! There are too many problems with it, like privacy issues." This response is most likely motivated by:
a. Lack of urgency regarding the need to change. b. Lack of evidence to support importance of technology. c. Deficits in education and experience. d. Lack of organizational support for change.
A nurse is caring for a client with gangrene present on the client's leg. What is the nurse's understanding of the client's condition? Select all that apply.
A) There are two types of gangrene: wet and dry. B) Gangrene describes a mass of necrotic tissue. C) The client has a form of coagulation necrosis. D) Gangrene is caused by cell injury culminating in apoptosis. E) The client has an active infection.
Following significant blunt trauma to the abdomen, a 9-year-old boy presents with diaphoresis and pallor. He is conscious and alert, with a blood pressure of 90/58 mm Hg, a heart rate of 130 beats/min, and a respiratory rate of 28 breaths/min with adequate depth. With an estimated ground transport time of 30 minutes, you should:
A) assist his ventilations to increase tidal volume, cover him with a blanket, establish at least one large-bore IV line, administer a 20-mL/kg normal saline bolus, and transport to a trauma center. B) administer high-flow oxygen, apply spinal precautions if indicated, provide warmth, begin transport, establish vascular access en route, and administer enough crystalloid solution to maintain adequate perfusion. C) apply supplemental oxygen, start two large-bore IV lines with normal saline, administer several crystalloid boluses of 20 mL/kg, apply spinal precautions if indicated, and transport to an appropriate medical facility. D) apply warm blankets, elevate his lower extremities 12 inches, administer high-flow oxygen, insert an IO catheter, administer a 250-mL normal saline bolus, and transport expeditiously to an appropriate trauma center.