Electrical signals pass between cardiomyocytes through the ________.
A. gap junctions
B. hemidesmosomes
C. desmosomes
D. tight junctions
Answer: A
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The portion of the larynx seen on axial CT images that completely encircles the laryngopharynx is the thyroid.
Answer the following statement true (T) or false (F)
A(n) ____________________ is a rigid structure capable of moving around a pivot point known as a(n) ____________________
Fill in the blank(s) with correct word
If the H+ concentration in the blood increases, bicarbonate ions act as buffers by
A. dissociating into H+ and CO3?. B. releasing H+ into the plasma. C. combining with Cl?. D. removing excess H+ from the plasma. E. combining with hemoglobin.
Which event occurs last at the neuromuscular junction?
A) Neurotransmitters enter the synaptic cleft. B) Sodium channels on the motor end plate open. C) An action potential reaches the presynaptic membrane. D) Sodium enters the muscle fiber.