When elderly patients are prescribed medications, the risk for drug toxicity increases because of:
A) an increase in the glomerular filtration rate.
B) age-related changes in hepatic enzyme systems.
C) the presence of chronic conditions, such as diabetes.
D) an increase in the production of antidiuretic hormone.
Answer: B) age-related changes in hepatic enzyme systems.
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Proper specimen collection for coagulation testing must be performed to eliminate contamination of substances that will interfere with the test results. Which of the following are considered contaminants for coagulation testing?
a. Sodium citrate and heparin anticoagulant b. Tissue factor and anticoagulant carryover c. Air and tissue factor d. High hematocrit and anticoagulant carryover
Which of the following is an example of short-acting insulin?
A) isophane insulin B) regular insulin C) suspension insulin D) lispro
Normal vaginal delivery __________
Fill in the blank(s) with the appropriate word(s).
Examples of the approach, via natural or artificial opening endoscopic, are listed except for:
A. tongue depressor. B. direct laryngoscopy. C. using an otoscope. D. indirect laryngoscopy.