Which of the following happens when a person stands in one place for a long period of time?
A. Without muscular movement, the pressure at the venous end of the capillaries increases.
B. Edema may occur in the lower extremities.
C. Blood pressure rises in the venules of the feet.
D. Gravity causes an increased accumulation of blood in the veins in the feet and legs.
E. All of the choices are correct.
Answer: E
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Which illustration and radiograph in the figure shows a Pott's fracture?
a) A b) B c) C d) D e) E
Which of the following is not true of saliva?
A) moistens food and aids in compacting of the bolus B) cleanses the mouth C) contains enzymes that begin the breakdown of carbohydrates D) contains acids which aid in chemical digestion
Which of the following structures is visible to the naked eye?
A. Taste (gustatory) cell B. Taste hair C. Lingual papilla D. Taste bud E. Taste pore
All connective tissues have three features in common. They are
A. cells, hormones, and protein fibers. B. cells, a liquid portion, and protein fibers. C. cells, protein fibers, and ground substance. D. cells, protein fibers, and mucus. E. protein fibers, a liquid portion, and ground substance.