Which of the following is true of diltiazem?
A. It is a potent vasoconstrictor.
B. It has no effect on heart rate.
C. It increases the force of myocardial contraction.
D. It has greater vasodilating actions than verapamil.
Answer: D
You might also like to view...
The nurse is caring for a patient who has undergone creation of a urinary diversion. Forty-eight hours postoperatively, the nurse's assessment reveals that the stoma is a dark purplish color. What is the nurse's most appropriate response?
A) Document the presence of a healthy stoma. B) Assess the patient for further signs and symptoms of infection. C) Inform the primary care provider that the vascular supply may be compromised. D) Liaise with the wound-ostomy-continence (WOC) nurse because the ostomy appliance around the stoma may be too loose.
The nursing staff decides on a nursing diagnosis of "Imbalanced nutrition: less than body requirements" for a patient with leukemia. The goal that would be realistic for this patient is:
1. to gain 5 pounds a week on an outpatient basis. 2. not to experience nausea or vomiting at mealtime. 3. to consume all food portions at every meal. 4. to maintain a stable weight during hospi-talization.
You are leading an effort to implement a clinical decision support system. In order to improve the patient specificity of your CDS rules, you would:
a. make sure that rules cannot be changed once they are implemented. b. give the results of the rules directly to the patient. c. store rules in a knowledge base and allow clinician experts to review and update the rules. d. ensure that the rules were written in the most up-to-date programming language available.
Blood is composed of:
a. RBCs, WBCs, and plasma b. RBCs, WBCs, platelets and plasma c. platelets and plasma d. RBCs, WBCs, and platelets