The respiratory quotient is the ratio of ____________________ to ____________________
Fill in the blank(s) with correct word
CO2 produced, O2 consumed
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Certain odors can initiate behavioral and emotional reactions because
A. the olfactory pathway is connected directly to the occipital lobe. B. olfactory sensations are interpreted at the prefrontal cortex. C. there are widespread olfactory associations within the hypothalamus and limbic system. D. the olfactory pathway is connected directly to the medulla oblongata. E. the sense of olfaction occurs immediately at the olfactory epithelium.
What is the partial pressure of O2 in atmospheric air?
a. 180 mm Hg b. 175 mm Hg c. 170 mm Hg d. 165 mm Hg e. 160 mm Hg
The arrector pili muscles receive their sympathetic innervation via the
A. splanchnic nerve pathway. B. adrenal medulla pathway. C. postganglionic sympathetic nerve pathway. D. spinal nerve pathway. E. None of the choices is correct.
The folding and coiling of a protein into a globular shape is the ________ structure of the protein.
A. tertiary B. denatured C. quaternary D. primary E. secondary