Without pulmonary surfactant,
a. small alveoli would tend to collapse
b. larger alveoli would tend to empty into smaller alveoli
c. all alveoli would be easier to inflate
d. the surface tension in the alveoli would be reduced
e. inspiration would be easier
A
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The patella is most commonly categorized as a
A. long bone. B. short bone. C. flat bone. D. irregular bone. E. sesamoid bone.
Molecules that can act reversibly as acids or bases depending upon the pH of their environment are called ________
A) amphoteric B) metabolic C) compensatory D) volatile
Which does not contribute to the pelvic brim?
A. Arcuate line B. Sacral promontory C. Pubic crest D. Gluteal line E. Pectineal line
Arielle is an 8-year-old with cystic fibrosis. For 30 minutes each morning and evening
parent holds her body in various positions and massages and kneads the areas over her lungs to dislodge the abundant, sticky mucus, which Arielle spits into a jar. She also takes medication - an enzyme - that thins the mucus. If she didn't take these measures, the mucus in her lungs would most likely increase her risk of A) infection. B) emphysema. C) cancer. D) asthma.