What is the function of the transverse tubule?
A) the storage of calcium ions
B) to transmit electrical impulses to the cell's interior
C) to store sodium ions
D) to allow cross-bridge attachment
E) to produce myofibrils
B) to transmit electrical impulses to the cell's interior
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The ________ principle states that the properties of the action potential are independent of the relative strength of the depolarizing stimulus.
Fill in the blank(s) with the appropriate word(s).
Which of the following is a skin receptor for light touch, movement, and vibration?
A) free nerve endings B) lamellated corpuscles C) Pacinian corpuscles D) tactile
Where do T-lymphocytes mature?
A. Spleen B. White bone marrow C. Tonsils D. Thymus gland E. Thyroid gland
Hyperkalemia can be caused by
A) all of the above. B) renal disease, which reduces potassium excretion. C) insufficient secretion of aldosterone. D) drugs that promote renal conservation of potassium.