A decrease in perfusion of the alveoli will lead to which of the following?
a. Alveolar shunt c. Anatomic dead space
b. Extra-alveolar shunt d. Physiologic dead space
ANS: D
A decrease of perfusion to the alveoli causes an increase in ventilation without perfusion, which is physiologic dead space. A shunt is perfusion without ventilation. Anatomic dead space is the normal amount of dead space in the body due to the conducting airways.
You might also like to view...
HIPAA allows all of the following except
A) physicians or hospitals to share patient information with each other to treat the patient. B) complete disclosure of patient information by an EMT. C) disclosure to clergy of patient admission to a facility. D) all of the above.
Which of the following radiograph techniques uses three-dimensional imaging?
A) Digital subtraction radiography B) Computerized tomography C) Occlusal films D) Panoramic films
Typically developing countries have a disproportionate number of older people relative to younger people.
Answer the following statement true (T) or false (F)
Which of the following observations or statements represents the "E" in the GEMS diamond?
A. The patient's medications have not been filled in 2 months. B. The patient's residence is cold due to a malfunctioning heater. C. Elderly patients present atypically and deserve your respect. D. A patient is assisted with his or her activities of daily living.