When a health care worker is not doing strenuous work, a back brace can be loosened
Indicate whether the statement is true or false
True
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Computed tomography (CT) scanning of the chest would be least useful for which of the fol-lowing?
a. To evaluate the large vessels of the medi-astinum b. To evaluate the pleura c. To evaluate lung masses d. To evaluate patients with asthma
Hemodialysis cleanses the blood:
A) with a dialysis machine. B) using the peritoneal membrane. C) both A and B. D) neither A nor B.
Graphic presentations of data are most effective when:
A) the scale begins at zero B) the horizontal scale reads from left to right and the vertical scale reads from bottom to top C) the title is complete and concise and there are no unnecessary words or distractions D) all of the above
Untreated depression in people over 65 years of age:
A) causes homicidal behavior in as much as 50% of this age group. B) is often recognized by the patient, who subsequently asks for help. C) is associated with a higher suicide rate than in any other age group. D) usually goes unrecognized because it is often mistaken for delirium.