All of the following functions are supplied by branches of the vertebral arteries EXCEPT ____.
a) vision
b) speech
c) alertness
d) balance
e) coordination
Ans: b) speech
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In a lab setting, heating a vessel full of reactants will generally
A. increase the kinetic energy of the molecules and increase the reaction rate. B. raise the activation energy and catalyze the reaction. C. lower the activation energy and the kinetic energy of the reactants. D. convert products to reactants by increasing the energy requirements. E. lower the reaction rate due to the change in structure of the reactants.
A fracture in which the bone is broken into three or more pieces is called a ________ fracture.
A. compound B. linear C. greenstick D. Pott E. comminuted
A tennis player complains of severe pain in the shoulder when serving or returning an overhead volley. Which of the rotator cuff muscles is probably damaged?
A. Infraspinatus B. Deltoid C. Teres major D. Supraspinatus E. Subscapularis
Changes in the respiratory system that accompany aging include
A. overactive cilia, causing frequent coughing. B. thickening of the alveolar walls. C. thinning mucus. D. slowed swallowing reflex.