Which of the following is a blood clotting disorder?
A) polycythemia
B) hemophilia
C) leukocytosis
D) leukopenia
E) anemia
B
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Which surface feature(s) along the ilium mark(s) attachment sites for large hip muscles?
A) lunate surface B) greater sciatic notch C) gluteal lines D) lesser sciatic notch E) pubic symphysis
Negative feedback:
1.can never be used to maintain homeostasis. 2.can only be used to maintain a constant body temperature. 3.mechanisms oppose an initial change in the value of a monitored variable. 4.mechanisms amplify an initial change in a monitored variable.
The galea aponeurotica is:
A) the dense fibrous membrane covering the surface of the cranium. B) a loose connective tissue that is easily damaged during "scalping" injuries. C) the subcutaneous layer of the scalp that contains easily damaged major veins. D) a tendon expansion that connects the frontal and occipital muscles of the cranium.
The heart sounds, "lub" and "dup," occur when the atria contract and subsequently when the ventricles contract
Indicate whether the statement is true or false