Once a projectile is airborne, it is affected by which of the following?
A. gravity
B. air resistance
C. release velocity
D. both A & B
E. all of the above
D. both A & B
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An advantage of non-ionic iodinated contrast injections in CT as opposed to ionic iodinated contrast injections is ___________________.
Fill in the blank(s) with the appropriate word(s).
Osmolarity of the fluid in the descending limb of the loop of Henle is greater than the osmolarity of the fluid in the ascending limb of the loop of Henle at any given level in the renal medulla.
a. true b. false
The large intestine is longer than the small intestine.
Answer the following statement true (T) or false (F)
Select the correct statement about membrane permeability and ion potential
a. the concentration of potassium ions is the same extracellularly and intracellularly. b. the concentration of potassium is higher extracellularly than intracellularly. c. the concentration of sodium is higher extracellularly than intracellularly. d. the membrane is more permeable to anions than to potassium. e. the membrane is more permeable to sodium than to potassium.