Which carboxyhemoglobin (COHb) level correlates with the clinical symptoms of confusion, lethargy, and ST-segment depression on the ECG?
a. Less than 10 percent
b. 20% COHb
c. 30% COHb
d. 40% to 60% COHb
ANS: C
You might also like to view...
Death is the primary measure for the devastating effects of drug use and abuse
Indicate whether the statement is true or false
What would be the most effective intervention to prevent pressure ulcers in the bedridden patient?
a. Perform skin assessment every day. b. Use a draw sheet to move the patient. c. Change the patient's position every 2 hours. d. Remove wet bed linens promptly.
Suppose a researcher found a correlation of .50 between candy intake and dental caries. The amount of variability that could be accounted for in dental caries by candy intake is:
A) 25% B) 50% C) 50 D) 25
Which teaching tips should be included when instructing parents on hydrocortisone administration?
1. Maintain prescribed administration times. 2. Never discontinue medication abruptly. 3. Injections might be necessary when unable to take by mouth. 4. Lower doses are needed during illness. 5. Keep an emergency kit with the child at all times.