Abnormally high concentration of the BB form of creatine phosphokinase is associated with a myocardial infarction.
Answer the following statement true (T) or false (F)
False
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Immediately prior to atrial contraction, blood continues to enter the atria from the venae cavae and pulmonary veins
Indicate whether this statement is true or false.
The __________ plane divides the body into equal right and left halves
Fill in the blank(s) with correct word
Mass activation is an important ability of the sympathetic nervous system because ________.
A. it allows the parasympathetic nervous system to decrease activity during the "fight-or-fight" response. B. it allows for simultaneous increases and decreases in the activity of postganglionic sympathetic axons to maintain homeostasis. C. it allows coordination of the entire sympathetic division during "fight-or-flight" response. D. All of the choices are correct.
Which of the following is part of a thin myofilament?
A. ATP-binding site B. globular (G) actin C. calcium D. myosin E. sarcolemma