Failure to switch off the brainstem inspiratory neurons can result in which of the following?
a. Apnea
b. Apneustic breathing
c. Biot's breathing
d. Cheyne-Stokes breathing
ANS: B
Under such circumstances, the DRG inspiratory neurons fail to switch off, causing prolonged inspiratory gasps interrupted by occasional expirations (apneustic breathing).
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A patient has a hematocrit of 48 percent and a hemoglobin of 15 g/dl. Which of the following statements is TRUE?
A) His hemoglobin is high, but his hematocrit is normal. B) Both are within the normal range for an adult male or female. C) His hematocrit and hemoglobin are both low. D) Both are within the normal range for an adult male.
Disease that results from a molecular defect in hemoglobin synthesis in RBCs is termed:
a. Thalassemia b. Hemoglobinopathy c. Porphyria d. Asynchrony
The "code also" note for long-term (current) drug therapy states:
a. code also any drug abuse or dependence. b. code also any drug use complicating pregnancy, childbirth, or the puerperium. c. code also any therapeutic drug level monitoring. d. code any long-term prophylactic drug use.
Life expectancy has increased with major advancements in the study of
a. disease processes. b. geriatric psychology. c. use of pilates and yoga intervention. d. taking extra vitamins.