Cerebrospinal fluid is associated with
A. serosae of the thoracic cavity.
B. the meninges.
C. visceral peritoneum.
D. synovial joints.
Answer: B
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What feature is NOT one of the three unique features of the synovial joint?
A) synovial fluid B) articular capsule C) articular cartilage D) tendon sheath
Which of the following statements best describes RNA?
A. RNA is a double helix. B. RNA is a single-stranded molecule. C. RNA molecules are antiparallel. D. RNA contains the base thymine. E. RNA is found outside a cell.
In a capillary bed, relaxation of the precapillary sphincter
A. occurs when the tissue in the area does not need more oxygen. B. causes more blood flow through thoroughfare channels. C. causes less blood to flow through capillaries. D. is voluntary. E. occurs when the tissue in the area needs more oxygen.
Which of the following structures contains both smooth and fibrous muscles?
(a) stomach (b) jeunum (c) duodenum (d) oeosophagus