How would the absolute refractory period be affected if voltage-regulated sodium channels failed to inactivate?
A) It would last indefinitely.
B) It would be much briefer.
C) It would be basically unaffected.
Answer: A
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The nasal cavity is divided into right and left halves by a septum
Indicate whether the statement is true or false.
Answer the following questions true (T) or false (F)
1. There are two phases of the cardiac cycle in which all four heart valves are open: the isovolumetric contraction phase and the isovolumetric relaxation phase. 2. Pressure in the aorta is greater than pressure in the pulmonary trunk; therefore, the left ventricle has to generate a greater pressure than the right ventricle in order to eject blood from the heart. 3. Stroke volume (SV) can be calculated by subtracting the end-diastolic volume (EDV) from the end-systolic volume (ESV).
A neural tube defect known as anencephaly results in babies born without a telencephalon. Determine the brain functions that would be absent
What will be an ideal response?
Which is false regarding the absorption of nutrients during digestion?
A. Proteins are chemically digested to amino acids and absorbed into the blood of capillaries in the small intestine. B. Fat-soluble vitamins (A, D, E, and K) are absorbed along with the products of lipid digestion. C. Lipids are chemically digested to fatty acids and glycerides, and were absorbed into the lacteals in the small intestinal villi. D. Minerals are electrolytes that are absorbed in the stomach.