A compound fracture is best described as ________.
A. a break where one bone is forced into another bone
B. a break that protrudes through the skin
C. an incomplete break only on one side of the bone
D. a break where the bone is in multiple fragments
Answer: B
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Which statements apply to the parasympathetic division of the nervous system?
A) It is dominant during "resting and digesting." B) Epinephrine is the primary neurotransmitter of the parasympathetic division. C) Its ganglia are nearby, on or near their target organs. D) It is dominant during "resting and digesting" and its ganglia are nearby, on or near their target organs. E) All of the statements apply.
Which of the following is not a function of the spleen?
a. salvages iron from hemoglobin b. acts as a reservoir for blood c. is a site for the maturation of T cells d. destroys worn out red blood cells
Anionic intracellular proteins (A-) cannot pass through membrane carriers because A- proteins
a. are charged b. they can only pass through channels c. are in about the same concentration in the cytosol and ECF d. too large e. are synthesized outside the cell, and carriers only transport them into the cell
When is a plasma membrane more permeable to K+ than to Na+?
a. During the resting potential b. During the rising phase of an action potential c. During the rising phase of a graded potential d. Both a and b e. Both b and c