Which of the following processes requires the use of energy?
A. Facilitated diffusion
B. Filtration
C. Simple diffusion
D. Osmosis
E. Active transport
Answer: E. Active transport
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In convergence, two or more incoming fibers contact a single neuron, whereas in divergence, impulses leaving a neuron pass into several output fibers.
Answer the following statement true (T) or false (F)
Two mechanical barriers to infection are interferon and inflammation.
Answer the following statement true (T) or false (F)
When a clot forms in a coronary vessel and obstructs blood flow to the muscle, the condition is referred to as a(n)
A) myocardial infarction. B) pulmonary embolism. C) coronary thrombosis. D) angina pectoris. E) None of the answers are correct.
A high sodium load in the ECF will lead to a/an ____ in plasma volume and a/an ____ in blood pressure
a. increase, decrease b. decrease, decrease c. decrease, increase d. increase, increase e. none of these.