Which of the following are semilunar valves?
a. Aortic and pulmonic
b. Aortic and tricuspid
c. Pulmonic and mitral
d. Tricuspid and mitral
A
The pulmonic and aortic valves are semilunar (SL) valves. The semilunar valves prevent backflow of blood from the aorta and pulmonary arteries into the ventricles.
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Which of the following is not a cause of pressure injuries?
A. Loss of circulation B. Cleanliness C. Friction D. Shearing
My job has many pieces that stretch my ability every day. This is a(n)
a. Challenging task characteristic b. Repetitive task characteristic c. Unclear task characteristic d. Mundane task characteristic
As the FHR increases, the myocardium consumes _____ oxygen.
A. More B. Less
The physician has the option of treating A.P. by one of two different methods. First, the physician could
prescribe treatment over a period of 1 week. A.P. would be given the first dose of doxycycline (Monodox) 100 mg PO, and then she would be prescribed the same dose to be taken PO bid for 7 days. Second, the physician could prescribe a one-time dose of azithromycin (Zithromax) 1 g PO, which could be adminis- tered in the clinic. Which choice is best for A.P.? Explain your reasoning.