Chemical digestion in the small intestine involves ________.
A) a significant amount of enzyme secretion by the intestinal mucosa
B) cholecystokinin (CCK), an intestinal hormone responsible for gallbladder contraction
C) secretions from the spleen that contain all enzymes necessary for complete digestion
D) bile salts that help emulsify carbohydrates so that they can be easily digested by enzymatic action
B) cholecystokinin (CCK), an intestinal hormone responsible for gallbladder contraction
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Which of the following substances would be most acidic?
A) lemon juice, pH = 2 B) urine, pH = 6 C) tomato juice, pH = 4 D) white wine, pH = 3 E) stomach secretions, pH = 1
Which type of lever is demonstrated by using scissors?
A) a first-class lever B) a second-class lever C) a third-class lever D) a fourth-class lever
Enzymes required for digesting phagocytized organic materials are isolated from cytoplasm and concentrated in membrane bound sacs called ____
Fill in the blank(s) with the appropriate word(s).
Clotting deficiency can result from thrombocytopenia or hemophilia.
Answer the following statement true (T) or false (F)