Which part of the heart does the right vagus nerve primarily innervate?
A. It innervates mainly the SA node.
B. It supplies all cardiomyocytes.
C. It supplies the subendocardial conducting network.
D. It supplies cardiomyocytes of the left ventricle.
E. It innervates mainly the AV node.
Answer: A
You might also like to view...
The axial skeleton includes
A. the skull, hyoid bone, thoracic cage, and vertebral column. B. the radius, ulna, carpals, and phalanges. C. the femur, tibia, and fibula. D. the upper and lower limbs and pelvic and pectoral girdles.
The ________ nuclei are in the visual pathway and mediate the pupillary light reflexes
Fill in the blanks with correct word
An action potential
A) lasts for 1-2 minutes. B) propagates along the actin myofilaments. C) is all or none. D) is always below threshold.
Which of the following cell organelles possesses oxidase enzymes that function in neutralizing harmful free radicals?
A)Lysosome B)Transport vesicle C)Centriole D)Peroxisome E)Mitochondrion