In the resting stage, a muscle with the word "rectus" in its name has straight fascicles.
Answer the following statement true (T) or false (F)
True
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Which of the following is normally the major source of hydrogen ions in the body?
a. Phosphoric and sulfuric acids formed during the metabolism of dietary proteins b. Lactic acid production by the muscles during exercise c. Carbonic acid generated from metabolically produced CO2 d. Natural acids found in foods, such as citric acid e. Fatty acids produced during fat metabolism
When someone hyperventilates, what is happening with his or her carbon dioxide?
A) Carbon dioxide is exhaled more rapidly, decreasing blood CO2 levels. B) Carbon dioxide in conserved in the blood as oxygen is refreshed in the lungs. C) Carbon dioxide is exhaled more rapidly; blood CO2 levels remain constant or slightly increase. D) Carbon dioxide is unaffected; rather, blood oxygen levels are increased.
Which of the following structures is labeled A in the diagram?
a) axon terminal b) trigger zone c) cell body d) peripheral process e) dendrites
Integral membrane proteins can form channels through which ions such as Na+ and K+ can diffuse
Indicate whether the statement is true or false.