Why is important to detect whether cancer has spread to lymph nodes?
a. because T and B cells are differentiated in the nodes
b. because cancer cells can then be spread throughout the body
c. because lymph organs allow antigens to interact with antigen-specific cells
d. because cancer cells will be destroyed by concentrated lymphoid tissue
b
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Gender determines to a great extent where fat is stored
Indicate whether the statement is true or false
Macronutrients ________.
A. have a daily requirement that is less than a few grams B. may provide energy, but do not support growth and development of body tissues C. include carbohydrates, fats, and proteins D. provide no kcals
Keratinization is the result of
a. toxicity of vitamin A. b. toxicity of vitamin D. c. deficiency of vitamin A. d. deficiency of vitamin D.
The most common pulmonary function test is conducted with a machine called a spirometer
a. True b. False Indicate whether the statement is true or false