Answer to Question 1
A
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Peristalsis is the basic movement of the esophagus. The large intestine uses mass movement, the stomach uses churning, and the small intestine uses segmentation.
Answer to Question 2
B
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Sublingual nitroglycerin may be taken at 5-minute intervals up to a maximum of three doses to relieve anginal chest pain. Headaches are very common due to vasodilation and do not indicate a toxic level. Nitroglycerin causes significant peripheral vasodilation in addition to its therapeutic effects of coronary artery dilation so no more than three tablets should be taken, even though it is not habit forming. Dizziness could be an adverse effect of the drug or a manifestation of inadequate cardiac output, but it would not indicate the patient should stop taking it.
The Structure of an Old High-Mass Star
Evidence of Retrieval of Visual Memories of Movement
One type of safety needle withdraws into a protective sheath when the injection is complete.
The social movement that centers on the environment has become global. In all nations, people are ...
0.123 g of a gas occupy a volume of 124 mL at 120. °C and 760. torr. Its molar mass is ...
A 2.10-kg hammer is transported to the Moon. The radius of the Moon is 1.74 × 106 m, its mass ...