Which of the following does not influence gas exchange?
A. Concentration of the gases
B. Solubility of the gas
C. Membrane area and thickness
D. All of these influence gas exchange.
Answer: D
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Salivary amylase and the pancreatic enzymes are inactivated by acid
Indicate whether the statement is true or false
The atomic mass of a proton is
A. 2 atomic mass units. B. 1 atomic mass unit. C. -1 atomic mass unit. D. 0 atomic mass units.
Cells float in a watery medium called
A) cytosol. B) extracellular fluid. C) cellular fluid. D) cytoplasm. E) None of the answers are correct.
While on a school skiing trip in Colorado, Heidi falls and breaks her tibia and fibula in a Pott's fracture. What would you expect as a prominent part of her clinical assessment several hours after the fall?
A) hypertension B) tachycardia C) erythema D) hematoma E) cyanosis