One of the major problems a premature infant may develop is respiratory distress syndrome. This occurs because in a premature infant,
A. there aren't enough red blood cells to carry oxygen.
B. oxygen transport is impaired.
C. the lungs are collapsed.
D. surfactant isn't produced.
E. there is mixing of the arterial and venous blood.
Answer: D
You might also like to view...
When oxygen is low, pyruvate is converted to lactate, while
A. NADH is converted to NAD+. B. ATP is converted to AMP. C. citrate is converted to pyruvate. D. FADH is converted to NADH. E. FADH2 is reduced to FAD+.
The rhythmic, wavelike motion produced by smooth muscles in tubular visceral
organs is called _______. Fill in the blank(s) with correct word
Autoimmune diseases are disorders in which the immune system fails to distinguish ________ from foreign ones.
A. self-interleukins B. self-antibodies C. self-antigens D. self-complement proteins E. self-immunoglobulins
Blood moving through the aortic semilunar valve is now oxygenated blood.
a. true b. false