By which of the following mechanisms does nitroglycerin relieve cardiac-related chest pain or discomfort?
A) Vasodilation and increased myocardial oxygen supply
B) Vasodilation and decreased myocardial oxygen supply
C) Vasoconstriction and increased myocardial workload
D) Vasoconstriction and increased cardiac oxygen demand
Answer: A) Vasodilation and increased myocardial oxygen supply
Health Professions
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The destructive substances released from some bacteria when they die are known as:
A) endotoxins. B) syncytia. C) prions. D) exotoxins.
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A form of spina bifida in which some of the spinal cord and meninges are protruding from a defect in the spine is a(n):
A) meningioma. B) myelomeningocele. C) osteogenesis imperfecta. D) hydrocele.
Health Professions