A student nurse understands there is a decrease in cardiac output during a PVC due to which of the following?
a. Decreased filling time of ventricles
b. Increased filling time of atria
c. Decreased filling time of atria
d. Increased filling time of ventricles
a. Decreased filling time of ventricles
rationale: There is a decreased filling time of the ventricles during a PVC.
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The nurse is caring for an immobile patient who has abdominal pain and frequent small, liquid stools. The patient vomited his breakfast and is still nauseated. Which action by the nurse is the highest priority?
a. Provide oral care after each episode of emesis. b. Apply a skin barrier to the patient's perineal area. c. Check the patient to see if he has a fecal impaction. d. Administer antiemetic medication with a sip of water.
When assessing a patient diagnosed with angina pectoris it is most important for the nurse to gather what information?
A) The patient's activities limitations and level of consciousness after the attacks B) The patient's symptoms and the activities that precipitate attacks C) The patient's understanding of the pathology of angina D) The patient's coping strategies surrounding the attacks
Movement of water from an area of lower concentration to an area of higher concentration is called
a. absorption. b. filtration. c. diffusion. d. osmosis.
A child with a poor nutritional status and weight loss is at risk for a negative nitrogen balance. To help diagnose this problem, the nurse anticipates that the physician will order which laboratory test?
a) Total iron-binding capacity b) Hemoglobin (Hb) c) Total protein d) Sweat test