The muscularis layer of the alimentary canal contain which of the following?
Answer: Circular and longitude layers
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The absolute refractory period of an excitable membrane roughly corresponds to the period when sodium channels are opening and inactivated.
Answer the following statement true (T) or false (F)
Which of the following muscles inserts on the head of the fibula?
A. Gluteus maximus B. Tensor fasciae latae C. Semimembranosus D. Semitendinosus E. Biceps femoris
Which statement about CO2 is incorrect?
A) Its concentration in the blood is decreased by hyperventilation. B) Its accumulation in the blood is associated with a decrease in pH. C) More CO2 dissolves in the blood plasma than is carried in the RBCs. D) CO2 concentrations are greater in venous blood than arterial blood.
Which of the following is an essential fatty acid?
A. lecithin B. linoleic acid C. stearic acid D. butyric acid E. hydrochloric acid