Which of the following can be considered a function and/or property associated with the excitability of cells? Check all that apply.
A. The ability to make a cell shorter than its resting length
B. The ability of one cell to transmit electrical signals to another cell
C. Protein synthesis
D. The ability to convert glucose and oxygen to ATP
E. The ability to create movement of a bone relative to another bone
Answer: A, B and E.
A. The ability to make a cell shorter than its resting length
B. The ability of one cell to transmit electrical signals to another cell
E. The ability to create movement of a bone relative to another bone
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In type I diabetes, a hyperglycemic hyperosmotic state may occur. Which of the following best describes this state?
A) There is decreased water intake. B) Plasma glucose and blood osmolarity levels are above normal. C) There are low levels of vasopressin (ADH). D) Blood osmolarity is below normal levels due to elevated glucose. E) ATP production is increased due to the increased levels of glucose.
The thoracic cage (the thorax) includes all of the following bones except:
a. the scapula b. 12 pairs of ribs c. the vertebral column d. the sternum
Neurotransmitters and neurohormones both
A) affect only cells with a specific receptor. B) are released by neurons and affect only cells with specific receptors. C) are released by neurons. D) travel in the blood to their target cell. E) are produced by all cells.
Small molecules, such as water and many ions, cross the membrane without assistance from the cell. This movement is called ________ and requires NO energy expenditure by the cell
A) passive transport B) active transport C) facilitated diffusion D) None of the listed responses is correct.