Which of the following procedures reduces the potential for infection primarily by addressing the portal of entry? Answers: A. Wearing gloves when contact with blood or body fluids is anticipated B. Wiping down common areas with buffered bleach on a regular basis C. Isolating patients who have antibiotic-resistant infections D. Disposing of soiled clothing and […]
A 70-year-old woman with ongoing severe atrial fibrillation is scheduled for defibrillation. What is an aspect of the rationale and physiology of defibrillation treatment? Answers: A. Defibrillation can be achieved using either a transcutaneous or transvenous pacemaker. B. Interruption of disorganized impulses by the current allows the AV node to readopt its normal pacemaker role. […]
In the ICU, the nurse hears an emergency cardiac monitor go off. The nurse looks at the telemetry and notices the patient has gone into ventricular tachycardia.The nurse will likely assess for signs/symptoms of Answers: A. increasing cardiac index by correlating the volume of blood pumped by the heart with an individual’s body surface area. […]
An agricultural worker is picking fruit on a day when the air temperature is 106°F. Which of the following processes will most likely be occurring while he works? Answers: A. Conduction of heat from the air will be heating his skin surface and raising his core temperature. B. His autonomic nervous system will be stimulating […]