Assessment of a 72-year-old man reveals absent lung sounds to the left lung accompanied by a sudden onset of sharp chest pain on the same side. When obtaining the history, which of the following statements made by his wife is MOST important?
A) "He has chronic obstructive pulmonary disease."
B) "He has had a fever since last night."
C) "He did not take his medications today."
D) "He just saw his doctor yesterday."
A
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Which of the following is true regarding the unit "mole"?
A) If the masses of two atoms differ, then a mole of one substance will weigh more than a mole of the other. B) Because the number of atoms in a mole is constant, one mole of any substance has the same weight as does one mole of any other substance. C) The unit "mole" uses the standard of one mole of carbon-12, because one mole of carbon-12 is the heaviest substance known. D) Both A and C are correct.
Which of the following physiologic effects is the most immediate result stemming from the desiccation of mucous glands which, in turn, causes an increased viscosity of the mucus, produced by breathing a cool, dry gas via an artificial airway?
A. retained secretions B. hyperthermia C. atelectasis D. refractory hypoxemia
The laboratory temperature of the refrigerator should be checked ________.
A. daily B. twice a week C. weekly D. biweekly
Roots and crowns of the mandibular anterior teeth are larger and longer than those of the mandibular teeth
Indicate whether the statement is true or false