Which of the following is a possible complication of an IA nerve block when penetration is too deep?
A) Piercing the parotid gland and numbing the hypoglossal nerve
B) Piercing a vessel in the pterygoid plexus increasing potential of hematoma
C) Piercing the parotid gland and numbing the facial nerve
D) Piercing the external carotid artery causing a severe hematoma
C
Health Professions
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Nitroglycerin relieves chest pain by
a. decreasing heart rate. b. increasing force of heart contractions. c. dilating coronary arteries. d. constricting coronary arteries.
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Each of the following is a possible location of caries except one. Which one is the exception?
A) Root B) Proximal C) Alveolar D) Occlusal
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