What is unique regarding the blood supply to the lung?

What is unique regarding the blood supply to the lung?

a. It receives blood from right and left ven-tricles.
b. It requires no dedicated blood supply as it exists in a gas environment.
c. Pulmonary venous drainage contributes to the normal anatomic shunt.
d. The pulmonary arteries are the primary source of O2 for lung structures.

Q. 2 What is the physiologic result of the infants' more compliant thorax compared with that of an adult?

a. It is easier for infants to breathe.
b. Their functional residual capacity is re-duced based on predicted body weight (PBW).
c. They breathe larger tidal volumes based on IBW.
d. They have less of a tendency to develop atelectasis.

Q. 3 Infants can generate auto-PEEP by which of the following methods?

a. Active expiration
b. Increased diaphragmatic excursion
c. Laryngeal braking
d. Retractions

Q. 4 Running vertically down each hemithorax anteriorly is an imaginary line that is used as an ana-tomical landmark. What is that line called?

a. Anterior axillary line
b. Midaxillary line
c. Midclavicular line
d. Midsternal line

Q. 5 During a vaginal delivery, what facilitates the removal of fetal lung fluid from the pulmonary system?

a. High PaO2
b. Low intrapulmonary pressures
c. Thoracic compression
d. Triaging of core functions

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What is unique regarding the blood supply to the lung?

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