The mediastinum is part of the:
a. dorsal cavity
b. ventral cavity
c. abdominal cavity
d. both B and C above
Ans: b. ventral cavity
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Surfactant is necessary to prevent collapse of the alveoli in the lung because in its absence water molecules
A. vaporize and take up much less space.?B. are more strongly attracted to each other by van der Waals forces.?C. are more strongly attracted to each other by cohesive forces.?D. congregate around nearby proteins to which they adhere.
What type of shock can be produced by hemorrhage, severe burns, or dehydration?
A. Hypovolemic B. Venous pooling C. Neurogenic D. Cardiogenic E. Anaphylactic
Extremely high temperatures break intramolecular interactions and ________ an enzyme, resulting in a loss of its function.
Fill in the blank(s) with the appropriate word(s).
Aldosterone is a steroid
Indicate whether the statement is true or false.