A/An ________ is a hollow sphere of cells that expands and contracts with each breath
A) alveolus
B) bronchiole
C) diaphragm
D) parenchyma
A
Explanation: A) Correct!
B) The bronchiole is not a hollow sphere of cells.
C) The diaphragm is not a hollow sphere of cells.
D) The parenchyma consists of all the alveoli, not just one.
You might also like to view...
The central nervous system consists of the brain and ________.
Fill in the blank(s) with the appropriate word(s).
Finding one's purpose in life is part of developing spiritual health
Indicate whether the statement is true or false.
A decline in arterial PO2 to 70 mm Hg or below would likely result in
A. a prolonged breath hold. B. a decrease in alveolar ventilation. C. no change in alveolar ventilation. D. an increase in alveolar ventilation.
Which BEST describes a barium enema?
a. Iodine compound is given and x-rays are taken of the intestinal tract. b. A fluorescent screen is used instead of a photographic plate to visualize images. c. Metallic powder is introduced to the large intestine and x-rays are taken. d. Radioactive substance is given and x-rays are taken.