Which of these provides a non-specific cellular disease resistance mechanism?
a) Macrophages
b) T lymphocytes
c) B lymphocytes
d) Memory B cells
e) Stratified squamous epithelium
a
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The functions of saliva include
A. moistening, binding and dissolving food particles; beginning chemical digestion of carbohydrates; and cleansing the teeth and mouth. B. moistening, binding and building up food particles; beginning mechanical digestion of fats; and cleansing the teeth and mouth. C. moistening, binding and dissolving food particles; beginning chemical digestion of proteins; and cleansing the esophagus. D. moistening, binding and building up food particles; beginning chemical digestion of carbohydrates; and cleansing the esophagus.
How is it that norepinephrine (NE) can inhibit smooth muscle action in airways, yet stimulate contractions in smooth muscles everywhere else in the body?
What will be an ideal response?
Lymph movement is assisted by
A. contraction of skeletal muscle. B. contraction of smooth muscle in lymph vessel. C. pressure changes in the thorax during respiration. D. compression of lymphatic vessels. E. All of these choices are correct.
__________ ______________ decreases urine output
Fill in the blank(s) with correct word