Which is the area of specialized nervous tissue in the heart that is known as the "pacemaker of the heart"?
A) Purkinje fibers
B) sinoatrial node
C) atrioventricular node
D) bundle of His
B
Explanation: A) The Purkinje fibers are not the pacemaker of the heart.
B) Correct!
C) The atrioventricular node is not the pacemaker of the heart.
D) The bundle of His is not the pacemaker of the heart.
You might also like to view...
Write the correct abbreviation for history:
What will be an ideal response?
Adult fitness settings would typically have program objectives in each of the learning domains except:
A) the health-related fitness domain. B) the psychomotor domain. C) the cognitive domain. D) the affective domain.
Overweight and obese are the same thing
a. True b. False Indicate whether the statement is true or false
This is localized dilation in blood vessels, classically in aorta.
a. Dissecting aneurysm b. Arterial aneurysm c. Thromboembolic venous disease d. Superficial thrombophlebitis