The vitamin that is essential for the production of several clotting factors is vitamin
A) A.
B) B.
C) C.
D) E.
E) K.
Answer: E
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Ribs that do not attach to costal cartilage at all are:
a. true ribs b. false ribs c. floating ribs d. none of the above
Excretion of dilute urine requires ________
A) impermeability of the collecting tubule to water B) the presence of ADH C) relative permeability of the distal tubule to water D) transport of sodium and chloride ions out of the descending nephron loop
Autonomic regulation of skeletal muscle length is provided by the ________.
Fill in the blank(s) with the appropriate word(s).
Describe the overall composition of bone tissue.
A.Bone matrix consists of cells which give the bone its strength and calcium which provides it with flexibility. B. Bones consist primarily of cells joined together by dense connective tissue called periosteum. C. Bone consists of bone cells and matrix. The bones cells create the matrix, which is constantly being maintained and replaced.