The bullous eruption of attached gingiva mediated by autoantibodies directed against basement membrane antigens is known as:
a. Pemphigus vulgaris
b. Lupus erythematosus
c. Erythema multiforme
d. Behçet's syndrome
e. None of the above
E
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SCENARIOUse this scenario to answer the following question(s).Your patient is a 78-year-old woman whose breathing is labored and audible. She is pale but conscious. Her son tells you that she went to the doctor that morning, was diagnosed with pneumonia, and has a prescription for antibiotics, but that a few hours later she appeared to take a turn for the worse.Because of her pneumonia, your patient may have an inadequate amount of oxygen in her blood. To test this, you place her finger into a pulse oximeter. The normal range for oxygen saturation is:
A. 54% to 70%. B. 89% to 93%. C. 75% to 85%. D. 94% to 99%.
A patient suffering an orbital fracture is most likely to complain of:
A) pain around the ear. B) difficulty swallowing. C) pain when moving his lower jaw. D) pain around the eye.
The value of a mixed fraction is always:
A) less than 1 B) greater than 1 C) less than 0 D) between 0 and 1
The effect of sympathetic nerves on heart rate is to
A) make it stop. B) increase it during times of stress. C) keep it at a resting level. D) decrease it when exercising.