Which class of chemical messenger facilitates white blood cell formation in bone marrow?
A. Interleukins
B. Colony-stimulating factors
C. Tumor necrosis factors
D. Interferons
B
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Which of the following is the most abundant mineral in the body?
a) Na+ b) Calcium c) Magnesium d) Phosphate e) Iron
Which letter represents the primary gas exchange structure?
a) A b) B c) C d) E
In the pumping action of the heart:
a. atrial systole follows ventricular systole b. atrial systole precedes ventricular systole c. atrial and ventricular systole occur at the same time d. none of the above
Match the mesentery or membrane with its appropriate description.A. Mesentery of the small intestineB. Serous membrane that covers organsC. Attaches the liver to the diaphragmD. Connects lesser curvature of stomach to the liverE. Mesentery of the colonTransverse mesocolon
Fill in the blank(s) with the appropriate word(s).