Stretching a myocardial cell
A) decreases the force of a contraction and allows more Ca2+ to enter.
B) only increases the force of contraction.
C) only decreases the force of a contraction.
D) allows more Ca2+ to enter and increases the force of a contraction.
E) only allows more Ca2+ to enter.
D) allows more Ca2+ to enter and increases the force of a contraction.
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A glass or plastic ___________________________ may be used to sedate cats or small animals under gas anesthesia
Fill in the blank(s) with correct word
Characteristics of epithelia include all of the following except
A) secretion. B) avascularity. C) regeneration. D) polarity. E) contraction.
When blood pressure increases, a number of events occur that return blood pressure to normal. Which of the following is one of the events that occurs after an increase in blood pressure?
A. Baroreceptors are stimulated. B. Action potential frequency to the cardioregulatory center of brain decreases. C. Sympathetic stimulation of the heart increases. D. Heart rate increases. E. An increase in number of action potentials in the cardiac nerve.
Nitric oxide (NO) acts as a neuromodulator by altering synaptic function
Indicate whether the statement is true or false