Which statement about the pectoral girdle is false?
A) It attaches the upper limb to the axial skeleton.
B) It is light and has no posterior attachment to the axial skeleton.
C) Its bones provide for great range of motion.
D) Its bones attach to each other and to the axial skeleton.
Answer: D
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Thrombocytopenia is due to a deficiency of
A) leukocytes. B) platelets. C) vitamin K. D) factor VII.
The end of a long bone is called the ________.
Fill in the blank(s) with the appropriate word(s).
The brain and spinal cord constitute which of the following?
A. The afferent nervous system B. The central nervous system C. The somatic nervous system D. The peripheral nervous system E. The autonomic nervous system
Action potential frequency is best described as:
A) The strength of the muscle contractions. B) The distance the action potential travels in a second. C) The duration of an action potential. D) The number of action potentials produced per unit of time.