One joule of energy absorbed in each kilogram of absorbing material defines the
a. sievert.
b. kerma.
c. becquerel.
d. gray.
d. gray.
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A 68-year-old man tells you that he takes metoprolol. A logical follow-up question is:
A) Do you have heart problems or high blood pressure? B) Do you have diabetes? C) Do you have a history of lung problems? D) Do you smoke or drink alcohol?
Gillian is a cheerful, active teenager who is having an ECG as part of a physical required by her school to participate in cheerleading activities. You explain that she needs to remain very still while you record the ECG. You begin the tracing, as shown in the picture. Although Gillian remains still, when she sees the look on your face, she asks, "What's wrong?" What abnormality is visible in lead V6, and what is your best choice of action?
A. Somatic interference; ask Gillian again to remain still B. Wandering baseline; check for loose electrodes C. AC interference; turn off nearby electrical equipment D. Flat line; check pulse and respirations and begin CPR E. Flat line; look for loose or disconnected wires
Code H27.00 reports aphakia, ____ eye.
Fill in the blank(s) with the appropriate word(s).
Evidence indicates that the lobe-finned fish were ancestors of amphibians
Indicate whether the statement is true or false