This figure shows spinal nerve branches. What structures are indicated by number 4?
A. Anterior rami
B. Posterior rami
C. Rami communicantes
D. Sympathetic trunk ganglia
E. Posterior root ganglia
C
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Which of the following is not a function of the liver?
a. produces bile b. carries out the first step of carbohydrate metabolism c. produces fibrinogen d. all of the above are functions of the liver
What creates the osmotic gradient in the renal medulla?
A) special transport systems of the loops of Henle of juxtamedullary nephrons B) active transport of solute out of the distal tubules and collecting ducts C) special transport systems of the loops of Henle of cortical nephrons D) active transport of solute out of the proximal tubule E) passive transport of solute out of the distal tubules and collecting ducts
Which of these descriptions best matches the term "external intercostal"?
A) accessory muscle of expiration B) accessory muscle of inspiration C) primary muscle of inspiration D) contraction increases airway resistance E) affects lung compliance
In fibrous joints, the articulating surfaces are held together by
A. fibrocartilage. B. dense regular connective tissue. C. dense irregular connective tissue. D. articular cartilage. E. areolar connective tissue.