When a sensory neuron is excited by some form of energy, the resulting graded potential is called a(n) ________
A) action potential
B) excitatory potential
C) postsynaptic potential
D) generator potential
D
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How does the skin function as a part of the excretory system?
A. By removing nitrogenous wastes B. By removing bilirubin C. By removing carbon dioxide D. By removing salts, lactic acid, and urea
When does oxyhemoglobin form during respiration?
A) during external respiration B) immediately after carbon dioxide enters the blood C) when the chloride shift occurs D) during pulmonary ventilation E) during internal respiration
If a fatty meal has been ingested, the liver and gallbladder need to be alerted about the need for bile. The receptors that are responsible for sensing the fat in the ingested food are referred to as
A. mechanoreceptors. B. bilireceptors. C. osmodetectors. D. chemoreceptors. E. omental neurons
Substances that dissolve in water include all of the following except
a. lipids. b. glucose. c. proteins. d. salts.