Regarding the relationships between the rates of oxygen consumption/carbon dioxide production and alveolar ventilation, which of these statements is TRUE?
A. Increased ventilation without a similar increase in metabolism is called hypoventilation.
B. In hypoventilation, alveolar PCO2 decreases below resting levels.
C. In hyperventilation, alveolar PCO2 can decrease to zero.
D. A decrease in metabolism without a similar decrease in alveolar ventilation would result in hyperventilation.
E. An increase in ventilation with a matching increase in metabolism is called hyperventilation.
D
You might also like to view...
Depolarization occurs at the AV node
a. during the P wave b. between the P wave and QRS complex c. during the QRS complex d. between the QRS complex and T wave e. during the T wave
A 54-year-old man comes to a hospital with abdominal pain, jaundice, loss of appetite, and weight loss. On examination of his radiograms and CT scans, a physician finds a slowly growing tumor in the uncinate process of the pancreas. Which of the follow- ing structures is most likely compressed by this tumor?
(A) Main pancreatic duct (B) Splenic artery (C) Portal vein (D) Superior mesenteric artery (E) Superior pancreaticoduodenal artery
Which of the following is considered a foil shape?
A. human hand B. discus C. shot put D. both A and B E. all of the above
The smooth triangular region of the urinary bladder base that is outlined by the openings of the two ureters and the urethra is called the ________
A) trigone B) calyx C) pelvis D) hilum