What do pacemaker cell action potentials lack?
A) threshold B) depolarization C) repolarization D) plateau phase
Answer: D
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The coronary sinus is a modified vein that collects venous blood from all areas of the heart and drains it directly into the left atrium of the heart.
a. true b. false
Which layer isĀ notĀ found in the wall of the ureter?
A. Adventitia B. Muscularis C. Submucosa D. Mucosa E. No exceptions; all layers are found in the wall of the ureter.
The volume of blood ejected from each ventricle during a contraction is called the
a. end-diastolic volume b. end-systolic volume c. stroke volume d. cardiac output e. cardiac reserve
Visfatin is an adipokine that is released primarily in obesity and leads to insulin resistance
Indicate whether the statement is true or false