The major source of calcium in smooth muscle is from the ____________________
Fill in the blank(s) with correct word
extracellular fluid (or ECF)
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A(n) ________ is an infection in one of the glands on the eyelids
A) sty B) furuncle C) abscess D) lesion E) carbuncle
Intercalated disks are capable of doing which of the following?
A) allow for re-growth of damaged muscle cells B) pass the resting potential to other cardiac cells C) pass electrical stimulation to other cardiac cells D) allow for cardiac tissue to expand and contract properly
The proximal convoluted tubules and the distal convoluted tubules are surrounded by the ________.
A. peritubular capillaries B. segmental arteries C. vasa recta D. efferent glomerular arterioles
A fat cell responds to the presence of the hormone epinephrine by increasing cytosolic cyclic AMP production, which leads to the catabolism of both glycogen and fat. What is the most likely explanation for this phenomenon?
A. Epinephrine is binding to two types of receptors in the plasma membrane. B. The activated receptor complex stimulates production of two different second messengers. C. Cyclic AMP directly activates enzymes that catabolize glycogen and fat. D. Cyclic AMP-dependent protein kinase activates two kinds of enzymes.