M2 receptors in the heart ________.
A. decrease heart rate
B. cause increased spontaneous depolarization in the heart
C. cause increased cytosolic Ca2+ in heart cells
D. increase heart rate
Answer: A
You might also like to view...
All muscle tissue develops from mesoderm
Indicate whether this statement is true or false.
What does the hormone produced by the heart do?
A. Increase sodium excretion in the kidney B. Increase potassium excretion in the kidney C. Increase sodium absorption in the kidney D. Decrease urine output E. Increase the heart rate and force
Regarding lactic acid regulation, which cells in the body consume extra oxygen and produce ATP for the conversion of excess lactate absorbed from the blood back to glucose?
A) neurons B) cardiac muscle cells C) skeletal muscle fibers D) liver cells E) erythrocytes
In the expression "Let your fingers do the walking," which of the following anatomical terms could be substituted for "fingers?"
A. Tarsals B. Carpals C. Manuals D. Metatarsals E. Digits