The nurse explains that with the exposure to an antigen, the initiator of the inflammatory response is the presence of histamine, which is released by the:
1. neutrophils.
2. eosinophils.
3. basophils.
4. monocytes.
3
Basophil release histamine.
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If a one-group pretest-posttest study uses subjects as their own controls, which is the study design?
a. Experimental b. Quasi-experimental c. Correlational d. Descriptive
What are the major risk factors associated with cardiovascular disease? (Select all that apply.)
a. gender e. high blood pressure b. age f. clotting time c. smoking g. physical inactivity d. dyslipidemia h. race
Path analysis is a method of analyzing the relative contribution of several predictor variables
A) True B) False
The patient is in shock with a blood pressure of 60/20 mmHg. The physician orders isoproterenol (Isuprel) intravenously (IV). The family is quite anxious and asks what "that liquid" is for. What is the best response of the nurse?
1. "This drug is a vasopressor and helps the heart beat more effectively, which will increase blood pressure." 2. "Vasopressor drugs act on the renin-angiotension system and thus increase blood pressure." 3. "This drug is a vasopressor and will help stabilize blood pressure by making the blood vessels smaller." 4. "It is called a vasopressor and will help the kidneys increase and maintain blood pressure."