Which pathology is characteristic of asthma?
a. Increased lung volumes
b. Expiratory wheezing
c. Air trapping
d. Dead space
ANS: B
On physical examination, there is expiratory wheezing that is often described as high pitched and musical, and there is prolongation of the expiratory phase of the respiratory cycle. Lung volumes are decreased. Air trapping and dead space occur in emphysema, not asthma.
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Which of the following statements is TRUE regarding the medication digoxin?
a. Digoxin has negative chronotropic (slows AV conduction) and increased inotropic (force of cardiac contraction) effects. b. Digoxin is relatively safe in the emergency setting because of a very wide therapeutic dose range. c. Digoxin may be used safely with bradycardia as it strengthens the force of cardiac contractions. d. Because it is an antiarrhythmic, digoxin may be used in cardiac arrest.
Word Scramble: Mice
OUNSERITABD