Rheumatoid arthritis is associated with
A. synovial membranes.
B. meninges.
C. mucous membranes.
D. All apply.
Answer: A
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Which type of connective tissue is made up of fibers that create a loose, open framework?
A) loose connective tissue proper B) dense connective tissue proper C) blood D) cartilage
The thymus is in the mediastinum behind the sternum.
Answer the following statement true (T) or false (F)
The __________ performs the work of the heart.
A. fibrous skeleton B. pericardial cavity C. endocardium D. myocardium E. epicardium
Which of these is a major difference between smooth muscle and skeletal muscle?
A. Only skeletal muscle requires increased calcium ion concentration in the cytosol for contraction. B. Only skeletal muscle has both actin and myosin. C. Myosin is the main regulatory protein in smooth muscle. D. Myosin is the main regulatory protein in skeletal muscle. E. Skeletal muscle usually exhibits spontaneous activity, while smooth muscle cannot contract spontaneously.