When compared to normal resting conditions, a neuron will become hyperpolarized
a. when there is an increase in transmembrane potential.
b. if positive ions such as Ca2+ ions leak into the neuron.
c. if there is a decrease in number of intracellular potassium ions.
d. if positive ions such as Ca2+ ions leak into the neuron or when there is an increase in transmembrane potential.
e. if there is a decrease in number of intracellular potassium ions or when there is an increase in transmembrane potential .
E
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During heavy exercise, the ATP requirements of active muscle are likely to be met by metabolism of
A) fatty acids. B) nucleotides. C) protein. D) carbohydrates.
The basal metabolic rate (BMR) is __________.
a. the minimum resting energy of an awake, alert person b. measured by monitoring respiratory activity c. 70 cal/hr or 1680 cal/day in the average individual d. all of the above
Arterial blood pressure is influenced by ________.
A. increased stroke volume B. vasoconstriction in the peripheral arterioles C. increased heart rate D. All of the choices are correct.
Finding _____ in the blood against a specific ______indicates that the person has been exposed to the disease.
Fill in the blank(s) with the appropriate word(s).