Blue fingernails can be a result of:
A. low blood sugar.
B. a fungal infection of the nail.
C. good perfusion.
D. low oxygen levels in the blood.
Answer: D
Health Professions
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Conditions that would indicate the need for a periapical radiograph include each of the following except one. Which one is the exception?
A) Abscess B) Cleft palate C) Large caries D) Root fracture
Health Professions
In which of the following conditions might the intensity of the heart sounds be reduced? 1. Heart failure 2. Severe cachexia 3. Pneumothorax 4. Pleural effusion
a. 1, 3, and 4 only b. 2 and 4 only c. 2, 3, and 4 only d. 1, 2, and 3 only
Health Professions