What mechanism causes the movement water and solutes through the filtration membrane in the nephron?
A) Simple diffusion
B) Hydrostatic pressure
C) Osmotic pressure
D) Pinocytosis
Answer: B
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All of the following result from some form of malfunction by the basal nuclei EXCEPT
a) Huntington's disease. b) Parkinson's disease. c) Tourette's syndrome. d) obsessive-compulsive disorder. e) synesthesia.
The type of neuronal circuit that spreads information from one presynaptic neuron to several postsynaptic neurons is a _____________ circuit
A. converging B. diverging C. reverberating D. parallel-after-discharge E. None of the choices is correct.
In the following illustration, the arrow points to the:
A) left vagus nerve. B) left sympathetic trunk. C) left phrenic nerve. D) left internal thoracic artery. E) hemiazygos vein.
Answer the following statements true (T) or false (F)
1. High levels of HDLs are considered good. 2. Diets high in cholesterol and saturated fats tend to produce high HDL concentrations. 3. Ghrelin, produced by the stomach, is a powerful appetite stimulant. 4. Peptides called NPY and AgRP are powerful appetite enhancers. 5. The primary function of carbohydrates is energy production within cells.