What action is most responsible for the resting membrane potential in cardiac muscle cells?
A. movement of K+ through voltage-gated K+ channels
B. movement of Na+ through open Na+ channels
C. movement of Ca2+ through voltage-gated Ca2+ channels.
D. closing of Na+ and K+ voltage-gated channels
A
You might also like to view...
________ monitor the position of skeletal muscles and joints
A) Proprioceptors B) Internoceptors C) Photoreceptors D) Exteroceptors E) Pressoreceptors
Which of the following would you expect to see as signs and symptoms of hyperthyroidism?
A. Increased plasma T4 levels B. Accelerated growth C. Rapid pulse D. All of the choices are correct.
The right and left common iliac arteries branches off of the
A) inferior vena cava. B) abdominal aorta. C) thoracic aorta. D) celiac trunk. E) pulmonary trunk.
Discuss the hormonal control of milk production and ejection
What will be an ideal response?