We lose or gain heat through ____________________ to the layer of air in direct contact with our bodies
Fill in the blank(s) with correct word
conduction
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Oxygen debt in muscles may develop because of
A. the inability of myoglobin molecules to store enough oxygen when skeletal muscles are used strenuously for a minute or two. B. too much oxygen used in forming pyruvic acid when skeletal muscles are contracted strenuously for a minute or two. C. the inability of respiratory and circulatory systems to supply enough oxygen to skeletal muscles when used strenuously for a minute or two. D. too high a concentration of oxygen in the atmosphere.
The primary problem in hyperkalemia is
A) that neurons are harder to excite because their resting potential is hyperpolarized. B) that neurons are hyperexcitable because their resting potential is closer to threshold. C) neurons are hyperexcitable because their resting potential is closer to threshold and neurons respond too quickly to smaller graded potentials. D) that neurons respond too quickly to smaller graded potentials. E) neurons are harder to excite because their resting potential is hyperpolarized and neurons respond too quickly to smaller graded potentials.
One ascending pathway can carry ______ information.
Fill in the blank(s) with the appropriate word.
The hypoxic drive stimulates breathing in patients with:
A) chronically decreased PaO2 levels. B) emphysema or chronic bronchitis. C) chronically decreased PaCO2 levels. D) mild bronchospasm caused by asthma