The vessel associated with the left ventricle is the aorta.
Answer the following statement true (T) or false (F)
True
Rationale: See the subsection “Exiting” in the subsection “Great Vessels” in the section “Heart” and Figure 5-5.
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Intrapleural pressure exceeds airway pressure
a. during normal quiet breathing b. during maximal forced expiration c. in response to a pneumothorax d. during maximal forced expiration and in response to a pneumothorax e. in all of the above situations
Which is the better example of the term medial?
A) The position of the eyes compared to the ears B) The position of the ears compared to the eyes C) The position of the eyes compared to the chin D) The position of the eyes compared to the eyebrows
In ______, a cell increases the number of hormone receptors and becomes more sensitive to the hormone
A. amplification B. positive feedback C. down-regulation D. up-regulation
Up-regulation
A. is found in target cells that maintain a constant level of receptors. B. moves the receptors up on the membrane. C. produces an increase in the sensitivity of the target cell to the hormone. D. produces insensitivity to the hormone in the target tissue. E. results in a decrease in the number of receptor sites in the target cell.