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Questions and Answers
What is the cause of a myocardial infarction?
What is the cause of a myocardial infarction?
- a.Decreased perfusion to the pulmonary artery
- b. Partial or complete obstruction of a coronary artery (correct)
- c. Blockage in one or more of the great vessels
- d. Narrowing of part of the aorta
How does the lung respond to regional lung hypoxia?
How does the lung respond to regional lung hypoxia?
- Bronchial artery vasoconstriction
- Bronchial artery vasodilation
- Pulmonary artery vasoconstriction (correct)
- Pulmonary artery vasodilation
By which of the following routes does blood flow through the umbilical cord between the placenta and the fetus?
By which of the following routes does blood flow through the umbilical cord between the placenta and the fetus?
- One umbilical vein and one umbilical artery
- One umbilical vein and two umbilical arteries (correct)
- Two umbilical veins and one umbilical artery
- Two umbilical veins and two umbilical arteries
What would be a normal P50 for a fetus?
What would be a normal P50 for a fetus?
In the fetal heart, the foramen ovale allows blood to flow between which two structures?
In the fetal heart, the foramen ovale allows blood to flow between which two structures?
Which factors contribute to maintaining a patent ductus arteriosus during fetal life?
Which factors contribute to maintaining a patent ductus arteriosus during fetal life?
Infants can generate auto-PEEP by which of the following methods?
Infants can generate auto-PEEP by which of the following methods?