A Patient Has Low Levels of Potassium

question 19

Multiple Choice

A patient has low levels of potassium.Which of the following could be affected?
I.levels of calcium available for cardiac muscle
II.amount of glucose transported through the intestinal lumen
III.amount of lactose metabolized
IV.chloride ion transport may slow

• A)I, IV
• B)II, IV
• C)II, III
• D)II, IV
• E)I, II, IV

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Definitions:

Undersupply

A condition where the available quantity of a particular good or resource is less than the demand for it.

All-or-None Response

A principle stating that the strength of a response of a nerve or muscle fiber is not dependent on the strength of the stimulus.

Excitatory Signals

Electrical or chemical signals that increase the likelihood of a neuron firing, promoting neural activity.

Action Potential

A temporary shift in the electrical charge of a neuron's membrane, leading to the transmission of a nerve impulse.