Although all the anatomical parts of muscle work together to give it it's characteristics, which of the following proteins listed below would be most associated with the characteristics of contractility?
A) voltage gated sodium channels
B) thick (myosin) filaments
C) elastic (titin) filaments
D) potassium (K+) leak channels
B
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A partly specialized cell that is the daughter of a stem cell is a(n) ________ cell.
Fill in the blank(s) with the appropriate word(s).
Hypotension is diastolic blood pressure below 100 mm Hg
Indicate whether the statement is true or false
The symphysis pubis is
A. a slightly movable joint. B. an immovable joint. C. a freely movable joint. D. The symphysis pubis is not a joint.
Tom has a condition in which the endothelial lining of his blood vessels cannot secrete prostacyclin (PGI2). How will this affect his blood?
A. Prostacyclin is a clot-dissolving enzyme, so clots will not be broken down and Tom will be at risk for an embolism or thrombosis. B. Because prostacyclin is a clotting factor that encourages formation of platelet plugs, bleeding will not be slowed. C. Prostacyclin is involved in the activation of prothrombin, so the process of clotting will not be complete. D. Because prostacyclin prevents platelets from sticking to the inside of healthy blood vessels, Tom will experience clotting and general narrowing of the blood vessels.