What are Peyer patches, and where are they located?
A. Mucous glands of the duodenal submucosa
B. Fatty, clublike appendages on the serosa of the colon
C. Lymphatic follicles of the ileum
D. Peptic ulcers that may occur in the stomach or duodenum
E. Lymphatic tissues of the oropharynx
C. Lymphatic follicles of the ileum
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As blood pressure rises, ________ actions will bring it back down to normal.
A. somatic B. peripheral C. autonomic D. homeostatic
Smooth muscle cells of blood vessels are described as integrating centers. Outline the various inputs that affect smooth muscle cells and how those are integrated.
What will be an ideal response?
Membrane potential is related to the uneven distribution of what two positively charged ions?
a. salt and sugar b. calcium and magnesium c. hydrogen and oxygen d. sodium and potassium e. chloride and phosphorus
Which type of cell forms protein fibers in connective tissue proper?
A. Chondroblast B. Osteocyte C. Fibroblast D. Osteoblast E. Osteoclast