For an AP knee projection, the central ray is directed to a point 
inch distal to the apex of the patella. What is the result if the central ray is directed to a point 
inch proximal to the apex of the patella?
A. The femorotibial joint will remain open
B. The femorotibial joint will close
C. Articular facets will appear on end, minimal surface area visualized
D. Intercondylar eminence will be shifted lateally
Answer: B
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When assessing a patient who does not speak the same language as you or your partner, the best approach in the immediate care of the patient is to:
A) Contact medical direction to get physician input B) Transport the patient to a hospital with interpreters for her language C) Try to find a neighbor who speaks the patient's language D) Request that a family member act as an interpreter
A pediatric patient with a 5-mm ET tube is ready to be switched to PSV. What minimum PS lev-el should be used for this patient?
a. 4 cm H2O b. 6 cm H2O c. 8 cm H2O d. 10 cm H2O
You would MOST likely encounter bilateral dependent edema in a patient with:
A) heart failure. B) arterial occlusion. C) diabetes mellitus. D) deep vein occlusion.
You should wash your hands for a minimum of how long between patients?
A. 30 seconds B. 20 seconds C. 1 minute D. 45 seconds