Which of the following is true regarding the concentration of solutions?
A) Percent solutions are parts per 1000 parts.
B) Molarity is one mole of solute per 1000 ml of solution.
C) To calculate molarity, one must know the atomic number of the solute.
D) To calculate molarity, one must know the atomic weight of the solvent.
B) Molarity is one mole of solute per 1000 ml of solution.
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________ refers to the mass movement of fluid between the blood and the interstitial fluid as the result of ________ or ________ pressure gradients. If the direction of bulk flow is into the capillary, the fluid movement is called ________. If the direction of flow is out of the capillary, the fluid movement is known as ________.
Fill in the blank(s) with the appropriate word(s).
According to the law of LaPlace, when comparing two alveoli lined with fluid, pressure in the one with the ________ diameter will be greater.
A) larger B) smaller
Which type of epithelial tissue is found lining the trachea?
A. Transitional epithelium B. Simple cuboidal epithelium C. Stratified squamous epithelium D. Pseudostratified ciliated columnar epithelium E. Simple columnar epithelium
In a neuron, the opening of sodium gates typically leads to ________
A) hyperpolarization of the plasma membrane B) depolarization of the plasma membrane C) drifting of plasma membrane voltage toward a more negative value D) repolarization of the plasma membrane E) plasma membrane voltage returning to the resting membrane potential