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 How long after birth should it take for the ductus arteriosus to close completely?

While stabilizing a preterm neonate before resuscitation, what should the therapist do to avert injury and atelectasis, and to avoid interfering with the infant’s ability to establish adequate ventilation? I. Use a bulb syringe. II. Avoid excessive suctioning of clear fluid from the nasopharynx. III. Use a suction catheter clearing the mouth first and then the nose. IV. Suction using direct laryngoscopy.

Which of the following paths accurately traces oxygenated blood from the placenta to the  fetus?  

Which of the following invasive procedures is performed after the 16th week of pregnancy and can be used to assess for chromosomal abnormalities?

Which of the following neonatal skin presentations at birth is associated with a high hematocrit value or polycythemia and neonatal hyperviscosity syndrome?  

The respiratory therapist is attending a term labor of a woman diagnosed with gestational diabetes. The baby is very large for gestational age. What metabolic disturbances should be considered? I. Hyperglycemia II. Hypocalcemia III. Hyperkalemia IV. Hypoglycemia  

Which of the following is true for the function shown below?                        

Solve the following equation.                     

Solve the following equation.               

Solve the following equation.