Choose the answer that best describes HCO3-
A) a proton donor
B) a weak acid
C) a bicarbonate ion
D) common in the liver
C
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Compounds that do not usually contain carbon and hydrogen atoms as the primary structural ingredients are called ________ molecules
A) non-carbonic B) organic C) hydro-carbonic D) metabolic E) inorganic
Which of the following is not attributable to complement activity?
a. acting as opsonins. b. walling-off the inflamed area. c. serving as chemotaxins. d. stimulating the release of histamine. e. forming a membrane attack complex.
Which muscle attaches to the manubrium and the thyroid cartilage, and aids in singing low notes?
A. Omohyoid B. Sternothyroid C. Thyrohyoid D. Lateral pterygoid E. Stylohyoid
Which of the following events in a stretch reflex occurs last?
A. alpha motor neurons transmit action potentials to muscle causing contraction B. muscle spindle detects stretch of muscle C. afferent neurons conduct action potentials to the spinal cord D. afferent neurons synapse with alpha motor neurons E. muscle is stretched