Muscles used for delicate, finely controlled movements have smaller motor units than muscles used for high power activities.
Answer the following statement true (T) or false (F)
True
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DNA and RNA are examples of ____
a. proteins b. lipids c. nucleic acids d. carbohydrates
Why would an enlarged prostate interfere with urination?
A. It compresses the urethra. B. It inhibits the micturition reflex. C. It develops calcified deposits that block the urethra. D. It inhibits urine production. E. It produces thicker prostatic secretions that block the urethra.
Complement facilitates inflammation by activating basophils and mast cells and by attracting macrophages and neutrophils.
Answer the following statement true (T) or false (F)
Which of the following statements about blood clotting is FALSE?
A. It is a result of a cascade of enzyme activation. B. It requires the presence of erythrocytes. C. It is the formation of a thrombus. D. It occurs after formation of a platelet plug in a damaged vessel. E. It involves positive feedback by thrombin.