Osteons or haversian systems
A. are avascular.
B. are found in spongy bone tissue.
C. are the basic units in compact bone tissue.
D. do not contain osteocytes.
E. lack concentric lamellae.
Answer: C
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Sarcomeres are arranged end to end as
a. fascicles. b. myofibrils. c. bands. d. perimysium. e. none of these answers.
Carpal tunnel pressure is sometimes relieved by surgically excising part or all of which structure?
A. Median nerve B. Extensor aponeurosis C. Palmar aponeurosis D. Flexor retinaculum E. Extensor retinaculum
Except for regions covered by articular cartilages, the ________ covers the surface of bones.
A. perichondrium B. fibrocartilage C. endosteum D. periosteum
Damage to the AV node could cause ________ on and ECG.
A. the absence of the T wave B. multiple P waves C. multiple Q waves D. multiple T waves