The human body strives to maintain its internal environment within a certain range (temperature, blood pressure, etc); this ___________ is called homeostasis.
Fill in the blank(s) with the appropriate word(s).
Ans: equilibrium
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A patient's bedside ECG strips show the following changes: increased PR interval; increased QRS width; and tall, peaked T waves. Vital signs are T 98.2° F; HR 118 beats/min; BP 146/90 mm Hg; and RR 18 breaths/min
The patient is receiving the following medications: digoxin 0.125 mg PO every day; D51/2 normal saline with 40 mEq potassium chloride at 125 mL/hr; Cardizem at 30 mg PO q8h; and aldosterone at 300 mg PO q12h. The physician is notified of the ECG changes. What orders should the nurse expect to receive? a. Change IV fluid to D51/2 normal saline and draw blood chemistry. b. Give normal saline with 40 mEq of potassium chloride over a 6-hour period. c. Hold digoxin and draw serum digoxin level. d. Hold Cardizem and give 500 mL normal saline fluid challenge over a 2-hour period.
The nurse explains that the older adult is prone to digestive disorders because of age-related changes that include: (Select all that apply.)
a. decrease in hydrochloric acid. b. increase in enzyme levels. c. inadequate chewing of food. d. diminished intestinal motility. e. incompetent gastroesophageal sphincter.
During standard preoperative testing, a nurse notices that a patient's urine has an elevated specific gravity. This finding is an indication that this patient is at risk for
1. Dehydration. 2. Anemia. 3. Ischemia. 4. Impaired renal function.
If a specimen from a 24-hour collection is accidentally discarded, the test should be discontinued and started over
Indicate whether the statement is true or false