A collagenous connective layer called the ________ covers the muscle and separates it from neighboring structures.
A) perimysium
B) epimysium
C) endomysium
D) sarcoplasm
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Question 2) All of the following are normal constituents of urine EXCEPT ________.
A) uric acid
B) urea
C) creatinine
D) blood
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Question 3) Which structure in the muscle cell stores calcium?
A) sarcoplasmic reticulum
B) sarcolemma
C) transverse tubules
D) myofibril
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Question 4) An important aspect of urine is its density, or specific gravity, which is ________.
A) 1.000-1.015
B) 1.041-1.073
C) 1.030-1.040
D) 1.003-1.030
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Question 5) The role of tropomyosin in skeletal muscle is ________.
A) blocking the active sites on the actin to regulate muscle contraction
B) the contracting unit
C) blocking the active sites on myosin to regulate muscle contraction
D) containing neurotransmitters
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Question 6) Which ligament supports the posterior of the knee?
A) popliteal
B) tibial collateral
C) fibular collateral
D) patellar
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Question 7) The main force pushing water and solutes out of the blood across the filtration membrane is ________.
A) glomerular blood pressure
B) the size of the podocytes
C) the thickness of the capillary endothelium
D) None of the listed responses is correct.
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Question 8) Which ligament holds the radial head in position?
A) annular
B) radial and ulnar collateral
C) lateral meniscus
D) medial meniscus
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Question 9) The descending limb of the loop of Henle ________.
A) is freely permeable to sodium
B) is not permeable to water
C) contains fluid that becomes more concentrated as it moves down into the medulla
D) None of the listed responses is correct.
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Question 10) How many ligaments encase the knee joint?
A) six
B) seven
C) eight
D) ten
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