CARDIOPULMONARY ANATOMY AND
PHYSIOLOGY ESSENTIALS OF RESPIRATORY
CARE 7TH EDITION WITH VERIFIED ANSWERS
◉ Which of the following events occur as a result of the diaphragm
and external intercostals contracting to facilitate inspiration?
A. A change in the thoracic cavity and lung volume leads to an
intrapulmonary pressure that exceeds the atmospheric pressure
B. An increase in the volume of the thoracic cavity and lung reducing
the intrapulmonary pressure
C. A decrease in the volume of the the thoracic cavity and lung
increasing the intrapulmonary pressure
D. An increase in the pressure within the lung occurs due to Boyle's
law. Answer: B. An increase in the volume of the thoracic cavity and
lung reducing the intrapulmonary pressure
◉ Which of the following lung architecture characteristics creates an
increased susceptibility for aspiration in the lung?
A. A length of 1 inch from the trachea to the lung
B. A left main stem angle of 40 to 60 degrees from the trachea
C. A right main stem angle of 25 degrees from the trachea
,D. A length of 2 inches from the trachea to the lung. Answer: A right
main stem angle of 25 degrees from the trachea
◉ Which of the following lung tissue receptors are located along the
smooth muscles lining the airways are sensitive to increasing size
and volume within the lung, termed the Hering-Breuer reflex?
A. juxtapulmonary receptors
B chemoreceptors
C. stretch receptors
D. irritant receptors. Answer: Stretch receptors
◉ Which of the following anatomical landmarks coincides with the
apex of the heart?
A. second intercostal space
B. Right 5th intercostal space at the midclavicular line
C. Left 5th intercostal space at the midclavicular line
D. Left side at the 3rd intercostal space. Answer: Left 5th intercostal
space at the midclavicular line
◉ In the systemic arteries, at a partial pressure of 100 mm Hg, the
percent of hemoglobin should be:
,A. 21%
B. 97%
C. 85%
D. 74%. Answer: 97%
◉ The BEST indicator of cardiac function is:. Answer: Ejection
fraction
◉ The BEST reason why a physical therapist should acquire an
understanding of the various lobes and segments and their
anatomical orientation is which of the following?
A. Provide tactile feedback for segmental breathing
B. Placement of a stethoscope for ausculation
C. Perform appropriate positioning during pulmonary hygiene
D. Educate patients on best positioning during coughing. Answer:
Perform appropriate positioning during pulmonary hygiene
◉ Which of the following brain areas provides control for automatic
breathing?
A. Frontal lobe of the cerebrum
B. Hypothalamus
C. Pons
, D. Medulla oblongata. Answer: Medulla oblongata
◉ Which of the following veins empties into the left atrium?
A. SVC
B. IVC
C. Pulmonary v
D. Coronary sinus v. Answer: Pulmonary vein
◉ Which of the following is the BEST indirect method for a physical
therapist to measure an increase in pulmonary capillary wedge
pressure?
Answers:
A.
Pulse oximetry
B.
Pitting edema scale
C.
Arterial blood gases
D.