For which of the following drugs may toxicity occur when blood levels of potassium are lower than normal?
A) digoxin
B) cortisol
C) tetracycline
D) morphine
A) digoxin
For digoxin, toxicity may occur when blood levels of potassium are lower than normal. This is a highly significant example of altered drug response due to electrolyte imbalance. Lower than normal levels of potassium may result in digoxin toxicity, and potentially fatal dysrhythmias.
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The function of the ocular lens is to:
A) focus light onto the retina. B) allow light into the eye. C) protect the sclera. D) manufacture vitreous humor.
Which statement about traction splints is true?
A) "Once the traction splint has been positioned under the leg, and the ankle hitch is applied, manual traction can be released." B) "Mechanical traction should be applied until the affected leg is approximately 2 to 4 inches longer than the unaffected leg." C) "Mechanical traction should be applied until the mechanical traction is equal to the manual traction and the patient experiences a reduction in pain." D) "Once the mechanical traction has been applied, the ischial strap must be released to promote circulation into the affected leg."
Which of the following uses a peroxidase stain channel?
a. Siemens Healthcare Diagnostics ADVIA 2120 b. Coulter LH750 c. Sysmex SE-9000 d. Abbott CELL-DYN 4000
Which of the following type of law regulates collection procedures?
A) state law B) federal law C) both state and federal law D) neither state nor federal law