Normal muscle contraction requires which of the following?
A. Digitalis
B. ATPase
C. Calcium
D. Iodine
c
Rationale: Calcium is necessary for normal muscle contraction. Cardiac glycosides raise intracellular calcium levels to help increase the force and velocity of myocardial contraction.
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A bone marrow core biopsy is received on a 10-year-old male patient suspected of having aplastic anemia. The pathologist reviews the smear and concludes the overall cellularity to be 22% with an M:E ratio of 2.5:1
Is the patient likely suffering from aplastic anemia? Why or why not? a. There is not enough information to determine whether the patient has aplastic anemia. b. Yes, the patient is presumably suffering from aplastic anemia, but the M:E ratio does not correlate well with that diagnosis. c. No, the patient is not suffering from aplastic anemia because the overall cellularity is increased. d. Yes, the patient is presumably suffering from aplastic anemia because of the low overall cellularity and the normal M:E ratio.
Which of the following is NOT a disadvantage of ambulatory care automation?
It is expensive to implement Human error can still influence outcomes of automation It is capable of counting and prefilling containers of medications It may result in high remodeling costs