Which of the following are features of active transport?
a. Energy in the form of ATP is required
b. Carrier proteins are used to move molecules across the cell membrane
c. Transport of molecules may occur against a concentration gradient
d. All of the above
e. None of the above
Ans: d
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The nurse explains that electrocardiograms are graphic representations of electrical impulses generated by the heart. What type of abnormalities can an electrocardiogram identify?
a. Those that produce a cardiac cycle b. Those that interfere with electrical conduction c. Those that result from an interrupted blood flow d. Those that interfere with heart contraction
An older adult is taking an oral opioid drug at home for pain control. Which precaution to prevent injury is important for you to teach this patient?
a. "Increase room lighting to reduce the risk for tripping." b. "Sleep in a sitting position to reduce respiratory problems." c. "Drink at least 3 L of fluids daily to reduce constipation." d. "Avoid drinks containing caffeine to prevent inactivating the drug."
The client has been ordered an intravenous anesthetic as part of inducing anesthesia. The nurse recognizes that this type of anesthetic is selected because of its _____ onset and _____ duration of action
a. rapid; short b. slow; short c. rapid; long d. slow; long
Hazardous substances include which of the following?
a. Oxygen b. Foods c. Makeup d. Soaps and shampoos