At what level do the common carotids bifurcate into the internal and external carotid arteries?
A. C1/C2
B. C2/C3
C. C3/C4
D. C4/C5
Answer: C
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Which of the following statements is NOT true?
a. Rigor mortis occurs as a result of a rise in intracellular calcium concentrations. b. In skeletal muscle a single action potential lasts about 5-10 msec. c. In skeletal muscle the relaxation time lasts slightly longer than the contractile time. d. In skeletal muscle the contractile response ceases when the lateral sacs take up Ca2+. e. A spring can move much faster than a muscle can contract.
Which stimulus was not tested in the Calculating Reaction Time experiment?
A) Auditory B) Olfactory C) Visual D) Tactile
Which of these is the most appropriate to express the number of molecules per volume?
A) Volume B) Weight per volume C) Percentage D) Milliequivalents per liter E) Molarity
Closed, fluid-filled sacs that function as cushions are called bursae.
Answer the following statement true (T) or false (F)