Calcium ion blocking agents would most likely affect
A. action potential propogation along the transverse tubules.
B. movement of the tropomyosin molecule.
C. release of the myosin head from the G actin molecule.
D. release of Ca2+ from the sarcoplasmic reticulum.
Answer: B
You might also like to view...
Compare and contrast chemical energy and radiant energy. Into which broad category of energy (kinetic or potential) does each fit? What are two examples of each type of energy that relate to human physiology?
What will be an ideal response?
Weak acids and bases make good ________.
Fill in the blank(s) with the appropriate word(s).
Normal heart sounds are caused by which of the following events?
A) friction of blood against the chamber walls B) closure of the heart valves C) opening of the heart valves D) excitation of the sinoatrial (SA) node
What structure in the kidneys indirectly monitors blood pressure and triggers a hormonal response that helps regulate water and electrolyte reabsorption?
A. Afferent arteriole B. Peritubular capillaries C. Juxtaglomerular apparatus D. Glomerular capsule