Which of the following is an example of muscular arteries? O A. brachial O B. brachiocephalic OC. subclavian O D. common iliac

papillary muscle chordae tendineae trabeculae carneae pectinate muscle are internal ridges on the surface of the atria that strengthen the right atrium and auricle walls while contributing minimal additional bulk. are ridges on the ventricular walls that prevent the ventricle walls from adhering during systole. are string-like structures that connect valve cusps to finger-like projections called Together, these structures brace valve cusp doors to prevent blood backflow.

In a cardiomyocyte, calcium enters the cells through A. HCN channels B. ryanodine receptors C. dihydropyridine receptors

The cephalic vein: Select one O a, communicates with the median cubital vein. O b. becomes the brachial vein. O c. ascends on the medial aspect of the upper limb. d. empties into the brachiocephalic vein.

the opening of what channel will cause the plateau phase of an action potential of ventricular contractile muscle cells a. t type calcium channels b. voltage gated potassium channels c. voltage gated sodium channels d. l type calcium channels

what is 1, 2, and 3?

All of the following are the most prevelent in Sudden Death Syndrom EXCEPT: Select one: a. Marfan's Syndrome b. Kehr's Sign c. hypertrophic cardiomyopathy d. anomalous origin of the coronary artery

Which of the following blood vessels supplies blood to the diaphragm? Select one: a. Intercostal artery b. Inferior mesenteric artery c. Superior phrenic artery d. Gastric artery e. Axillary artery