175) A chronotropic agent is one that affects the heart rate. Compare and contrast this term with an inotropic agent. Give specific examples of each.
What will be an ideal response?
Inotropic agents affect contractility. Catecholamines (epinephrine, norepinephrine) and drugs such as digitalis are positive inotropic agents, meaning they increase contractility. Heart rate is increased by epinephrine (a positive chronotropic agent) and decreased by acetylcholine (a negative chronotropic agent); there is also a variety of drugs that affect heart rate.
You might also like to view...
The part of the neuron that carries impulses away from the neuron cell body is the:
a. dendrite b. axon c. neurolemma d. node of Ranvier
During pregnancy, many health risks pose an even greater threat to ________________________________________
Fill in the blank(s) with correct word
List 4 plants that are toxic to goats
What will be an ideal response?
The hydrolysis of triglycerides to fatty acids and glycerol is called ________.
A. lipolysis B. lipogenesis C. beta-oxidation D. deamination