In the standard leads, the current flows:
A) positive to negative
B) negative to ground
C) negative to positive
D) positive to ground
Answer: C
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A hearing-impaired patient wearing a hearing aid is having a great deal of difficulty hearing your questions. Which of the following actions should you take first?
a.. Ensure that their hearing aid is turned on. b. Increase the pitch of your voice. c. Write your questions on paper. d. Position yourself in front of the patient and shout.
In contrast to a 30-year-old man, if a 70-year-old were to consume an excessive amount of alcohol:
A) he would experience a lower blood alcohol concentration secondary to a decrease in total body water. B) the alcohol would be eliminated from his body much faster unless he is taking an antihypertensive drug. C) it would take longer for him to develop alcohol toxicity secondary to decreased metabolism in the liver. D) he would experience a higher blood alcohol concentration due to decreases in body mass and total body water.