The demand for oxygen in heart cells as a result of inotropic action is known as which of the following?
A) Preload
B) Afterload
C) Contractility
D) Automaticity
C
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A nurse working in the community understands that health is often affected by social stressors. Which of the following are examples of societal pressures having a negative impact on the health of today's families? (Select all that apply.)
A. Economic trends affecting access to health care B. Increased HIV/AIDS in women and children C. Loss of resources in public schools D. Restricted health-care access for adult males E. Violence and increased teen suicides
Mrs. Jones has been taking chlorpromazine to combat the effects of her auditory hallucinations. Which response is the best indication that the medication is effective?
A. "There is more than one voice now!" B. "They are whispering instead of talking loudly now!" C. "I don't hear the voices now!" D. "I only hear them sometimes now."
A client with a low platelet count asks why platelets are important. How does the nurse answer?
A. "Platelets make blood clots for you." B. "Blood clotting is prevented by your platelets." C. "The clotting process begins with your platelets." D. "Your platelets finish the clotting process."
The nurse explains that the pathophysiology of a myocardial infarct is that:
a. a portion of the myocardium necroses and scars over. b. the coronary vessels are narrowed during the attack. c. the ischemic myocardium causes pain during the attack but is able to regenerate. d. damages the myocardium, but does not seriously alter cardiac output.