aVR, aVL, and aVF are ____ leads. They are designed to record the electrical impulse from the center of the heart to the limb lead of the positive electrode.
A. bipolar
B. precordial
C. anacordial
D. unipolar
Answer: D
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Blistering of skin occurs when the tissue reaches temperatures in excess of
a. 60°C b. 43°C c. 54°C d. 109°C
The therapist is mechanically ventilating a patient who has lung parenchymal injury characterized by regional compliance inhomogeneities. What potential problem should the therapist bear in mind as an appropriate tidal volume is delivered to this patient's lungs?
A. that a leak around the cuff of the ETT is likely to occur B. that the likelihood of air trapping exists C. that overdistention of normal lung regions is likely to occur D. that higher pressures will be needed to inflate the less compliant regions
Medicare and Medicaid programs were created for population groups regarded as
a. elderly b. vulnerable c. underinsured d. politically active
The occupational therapist should observe several precautions when providing intervention to a client who is catheterized. Which of the following precautions are appropriate?
A. Avoid crimping or stretching the catheter drainage tube, and place the urine cath-eter bag below the level of the bladder. B. Avoid crimping and stretching the catheter drainage tube, and place the urine collection bag in the client's lap. C. Avoid crimping and stretching the catheter drainage tube, and place the urine catheter bag above the level of the bladder. D. Avoid crimping and stretching the catheter drainage tube, and place the urine catheter bag in a location convenient for the client.