Which is an example of surface tension?
A) Absorption of heat by the surface of a solution
B) Cohesion of water molecules at the air and water boundary of the alveolus
C) Hydrolysis reactions of water molecules and salts
D) Tendency for evaporation on the surface of a solution
Answer: B
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Arteries branch into smaller ________________________________________
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The trigger zone of a neuron
a. is located at the axon hillock b. is located in the axon terminal c. contains only chemically gated channels d. conducts graded potentials to the axon e. causes action potentials to move toward the cell body and dendrites
Why are 10 of the amino acids in the human body designated as essential amino acids?
What will be an ideal response
Which of the following is a sign or symptom of left-sided heart failure?
A) Pulmonary edema B) Hepatomegaly C) Jugular vein distention D) Edema or swelling of hands and feet