After birth, an infant's cardiovascular system changes by constricting the ductus arteriosus. Once this closes,
a. there is an immediate decrease in systemic vascular resistance.
b. blood can bypass the lungs by moving from the pulmonary trunk directly into the aorta.
c. there is a decrease in pulmonary vascular resistance.
d. it becomes a fibrous cord embedded in the wall of the heart.
c
Health Professions
You might also like to view...
The three primary elements of fascia are:
A) Ground substance, collagen, and elastin B) Muscle, gel, and elastin C) Ground substance, muscle, and lymph D) Tendons, ligaments, and sheaths
Health Professions
The Instant Medical History program can be used by patients:
A) with a pen-tablet device in the exam room. B) on the facility's website through the Internet. C) at a kiosk in the waiting room. D) All of the above E) None of the above
Health Professions