All of the following are TRUE regarding the effect of smoking on the respiratory system EXCEPT which one?
A) The production of mucus increases in response to the presence of smoke.
B) Smoking destroys cilia lining the respiratory tract.
C) Particles and debris from the smoke accumulate in the mucus of the airway and increase the risk for infections by pathogens.
D) Antimicrobial compounds found in the respiratory mucus of smokers decrease the likelihood of infection.
E) "Smoker's cough" results from the heavy coughing that is necessary to clear accumulated mucus or particles from the airway.
D
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Which of the following terms is not related to the other four?
1.amino acids 2.nucleotides 3.5-carbon sugars 4.phosphate groups 5.nitrogen-containing bases
If a population is in Hardy–Weinberg equilibrium and p 5 .6,
a. q 5 .5 b. q 5 .4 c. q 5 .3 d. q 5 .16
When comparing dry heat and moist heat sterilization, dry heat is ________.
A. faster B. slower C. sometimes faster but sometimes slower D. equally as fast
Photosynthesis occurs mainly in the leaf's:
a. subsidiary cells. b. bundle sheath extensions. c. palisade mesophyll. d. trichomes. e. vascular bundles