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
Ans: A) chronically decreased PaO2 levels.
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Which of the following is part of the upper respiratory tract?
A. Bronchi B. Pharynx C. Lungs D. Bronchioles E. Trachea
Urine drains from the nephron into the calyces through the ________.
A. loop of Henle B. Bowman capsule C. distal convoluted tubule D. proximal convoluted tubule E. collecting duct
A decrease in blood volume will result in
A. decreased blood pressure. B. increased ADH (antidiuretic hormone) secretion. C. decreased urine volume. D. All of the choices will occur.
The concentration of water in the blood is regulated by controlling the amount of water lost in ________.
A. urine and sweat B. urine only C. urine, sweat, and feces D. urine and feces