The pulsus paradoxus that occurs as a result of pericardial effusion is caused by a dysfunction in which mechanism?
a. Diastolic filling pressures of the right ventricle and reduction of blood volume in both ventricles
b. Blood ejected from the right atrium and reduction of blood volume in the right ventricle
c. Blood ejected from the left atrium and reduction of blood volume in the left ventricle
d. Diastolic filling pressures of the left ventricle and reduction of blood volume in all four heart chambers.
Ans: d. Diastolic filling pressures of the left ventricle and reduction of blood volume in all four heart chambers.
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A 35-lb child is to receive an IM medication. The average adult dose is 75 mg. Using the Clark rule, what dosage should the nurse administer?
a. 30.5 mg b. 25.5 mg c. 20.5 mg d. 17.5 mg
Which nurse risks the loss of presence when interacting with a patient?
A) The nurse with a broken arm and is working with a cast on B) The nurse who is responding to three simultaneous call bells C) The nurse who has worked 8 hours of a 10-hour shift and has missed lunch D) The nurse who has misplaced the thermometer needed to perform routine temperature checks
The nurse is caring for a child receiving intravenous (IV) morphine for severe postoperative pain. The nurse observes a slower respiratory rate, and the child cannot be aroused. The most appropriate management of this child is for the nurse to
a. Administer naloxone (Narcan). b. Discontinue IV infusion. c. Discontinue morphine until child is fully awake. d. Stimulate child by calling name, shaking gently, and asking to breathe deeply.
The nurse should recommend that persons who have engaged in high-risk behavior be tested for HIV. The responsibilities of persons who are HIV infected include which of the following? Select all that apply
1. Have regular medical evaluations and follow-ups. 2. Do not donate blood, plasma, body organs, or sperm. 3. Inform health care providers about the HIV infection. 4. Consider the risk of perinatal transmission and follow-up with contraceptive use.