Jane, who works in a lumber mill, suffers a compression injury to the posterior compartment of her forearm. Which of the following actions might now be compromised?
A. Finger flexion
B. Wrist flexion
C. Wrist extension
D. Thumb flexion
Answer: C
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Posture is maintained mainly by __________ fibers.
A. slow oxidative (SO) B. fast glycolytic (FG) C. type II D. white E. fast-twitch
Which of these has the highest H+ concentration?
A. Lemon juice, pH = 2.3 B. Saliva, pH = 6.6 C. Tomato juice, pH = 4.7 D. Household ammonia, pH = 10.8 E. Red wine, pH = 3.2
Upper limb development lags behind lower limb development by about three days.
Answer the following statement true (T) or false (F)
Which statement correctly compares chromatin to chromosomes?
A. Chromatin is loosely arranged DNA in the cell's nucleus while the cell is dividing while chromosomes are tight compact bundles of DNA present while the cell is not dividing. B. Chromatin is loosely arranged DNA in the cell's nucleus while the cell is not dividing while chromosomes are tight compact bundles of DNA present during cell division. C. Chromatin is tightly packed DNA in the cell's nucleus while the cell is not dividing while chromosomes are loosely arranged bundles of DNA present during cell division. D. Chromatin is tightly packed DNA in the cell's nucleus while the cell is not dividing while chromosomes are also tight compact bundles of DNA present during cell division.