A physician sends skin scrapings for fungal stain and culture. The best means of direct examination of the specimen is
A) Gomori methenamine silver stain. B) KOH preparation.
C) India ink preparation. D) Gram stain.
B
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The watery fluid that provides nutrients to and bathes the structures in the anterior chamber of the eyeball is _______________ _______________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is a desirable characteristic of dressings used in the prehospital management of most open wounds?
A) Occlusive B) Adherent C) Sterile D) Nonabsorbent
The purpose of the secondary assessment is to:
A) identify lifethreats to the ABCs. B) assess neurological status. C) determine all injuries present on a victim. D) quickly assess areas of the body where serious life threats may occur.
What causes the different P wave morphologies in an ECG tracing that shows wandering atrial pacemaker?
A. The variable strength of the atrial contraction caused by each impulse B. The varying sites of the ectopic impulses C. The rate at which the ectopic impulses are generated D. The morphology of the resulting QRS complexes