What is the first confirmatory sign of necrotizing enterocolitis (NEC)?
A) lethargy and increased FiO2 requirements
B) increased abdominal girth
C) guaiac-positive stool
D) excessive diarrhea
C
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After ventilating a newly born infant by bag-valve-mask device, you note significant gastric distention that is beginning to interfere with ventilation. On attempting to pass a nasogastric tube to decompress the stomach, you find that there is an obstruction bilaterally at the level of the posterior nasopharynx. Which of the following choices indicates the likely problem and the action that
should be taken? A) Choanal atresia; rotate the nasogastric tube back and forth between your fingers as you apply steady pressure in a posterior direction B) Cleft palate; rotate the nasogastric tube back and forth between your fingers as you apply steady pressure in a posterior direction C) Cleft palate; intubate the trachea and pass an orogastric tube D) Choanal atresia; intubate the trachea and pass an orogastric tube
Numbers 3 and 4 on the figure demonstrate ____.
A. depression and inversion
B. eversion and protraction
C. protraction and retraction
D. elevation and inversion
E. inversion and protraction
Which cranial nerve may be damaged by growth of a cholesteatoma?
a. third (III) b. fifth (V) c. seventh (VII) d. tenth (X)
What is the term for the point at which the energy pathways that produce lactic acid start to operate?
a. Aerobic threshold c. Cardiovascular threshold b. Anaerobic threshold d. Isometric threshold