An elderly patient has begun taking bisoprolol (Zebeta) 10 mg PO once daily for the treatment of angina. The nurse should administer this drug in the knowledge that it achieves a therapeutic effect in what way?
A) Decreasing heart rate
B) Increasing the force of myocardial contractions
C) Prolonging the QT interval
D) Shortening the time required for repolarization
A
Feedback:
Bisoprolol reduces the workload of the heart and decreases myocardial oxygen demand by decreasing heart rate and the force of myocardial contractions. It does not prolong the QT interval or shorten the time required for repolarization.
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Which nursing theorist stated that clients are open systems in constant interaction with their environment?
A) Florence Nightingale B) Virginia Henderson C) Imogene King D) Dorothea Orem
Which of the following is an appropriate nursing action while conducting a Brodie-Trendelenburg test for clients with varicose veins?
A) Encourage the client to ask questions. B) Offer assurance about the safety of the tourniquet used. C) Discuss the client's anxiety with the physician. D) Apply the tourniquet to the upper thigh and determine the valve potency of the superficial veins.
After a birth complicated by a shoulder dystocia, the infant's Apgar scores were 7 at 1 minute and 9 at 5 minutes. The infant is now crying vigorously. The nurse in the birthing room should
a. Give supplemental oxygen with a small facemask. b. Encourage the parents to hold the infant. c. Palpate the infant's clavicles. d. Perform a complete newborn assessment.
Every society has what is called the dominant value orientation. Which of the following best describes the dominant value orientation of the majority culture in the United States?
A. Belief in ancestral knowledge and reverence for aged members of the society B. Working hard and being self-supporting and financially independent C. Living within a communal group and rejecting personal belongings D. Moving away from other people and living in a cabin without heat, lights, or water