The presence of which of the following reduces the risk for myocardial infarctions?
A. Desmosomes of the intercalated discs
B. Double circulation
C. Circumflex arteries
D. Arterial anastomoses in the coronary circulation
E. Gap junctions in the myocardium
Answer: D
You might also like to view...
A researcher has been studying genes that result in abnormal cell growth and has linked them to cancer. What two types of genes is the researcher studying?
A. Metastatic activators and apoptosis stimulators B. Kinases and cyclins C. Tumor suppressors and oncogenes D. Oncosuppressors and tumor activators
If the plasma concentration of substance X is 200 mg/100 ml and the GFR is 125 ml/min, the filtered load of this substance is ____________________
Fill in the blank(s) with correct word
Which is not a lobe of the liver?
A. Left lobe B. Quadrate lobe C. Caudate lobe D. Right lobe E. Round lobe
The glial cells in the central nervous system that form scar tissue after central nervous system injury are the
A) astrocytes. B) satellite cells. C) oligodendrocytes. D) microglia. E) ependymal cells.