Myocardial infarction is usually caused by an obstruction of ________.
A. a pulmonary vein
B. a coronary artery
C. the aorta
D. a cardiac vein
Answer: B
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What other organelle besides the nucleus contain DNA?
a) Golgi complex b) lysosome c) ribosomes d) mitochondrion e) centrosome
The flexor carpi muscles will flex the
A. ankle. B. elbow and fingers. C. wrist and hand. D. ankle and toes. E. fingers.
At a synapse the 0.2-0.5 milliseconds it takes for calcium influx and neurotransmitter release is called
A) latency period. B) synaptic delay. C) recovery period. D) repolarization. E) synaptic diffusion.
A patient has an 80% blockage of his left anterior descending coronary artery. Describe what occurs in terms of myocardial oxygen supply and demand if his sympathetic nervous system is stimulated.
What will be an ideal response?