★ Cardiovascular System Quiz
Double membrane sac that covers the outside of the heart
A. Pericardium
B. Myocardium
C. Endocardium
D. All of the above
Select your answer:

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Physiology › ViewThe rising phase of the action potential in the pacemaker cells occurs in response to:
A. activation of long-lasting, voltage-gated Ca2+ channels
B. activation of voltage-gated Na+ channels
C. activation of voltage-gated Cl channels
D. activation of transient Ca2+ channels
E. activation of voltage-gated K+ channels
Diabetes Pathophysiology › View
Insulin resistance means that the _________ on the plasma membrane fail to recognize insulin and do not open the channels or “doors” to allow glucose in.
A. Receptors
B. Nucleus
C. Protein
D. Endoplasmic reticulum