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1. Which of the following statements is FALSE?

   		Pulmonary hypoplasia can be caused by a hernia
   		Surfactant is produced by Type 2 alveolar cells
   		Premature birth is strongly associated with respiratory distresssyndrome
   		Tracheoesophageal fistulas are strongly associated withpremature birth

2 points   

QUESTION 14

1. The _____________ becomes the urinary collecting duct.

   		urethra
   		metanephrogenic mesenchyme
   		mesonephric duct
   		ureteric bud

2 points   

QUESTION 15

1. During this stage of lung development, the respiratorydiverticulum branches from the foregut.

   		Pseudoglandular stage
   		Canalicular stage
   		Embryonic stage
   		Terminal/saccular/alveolar stage

2 points   

QUESTION 16

1. In an individual with only one X chromosome,

   		functional ovaries are formed.
   		high testosterone levels are present.
   		low estrogen levels are present.
   		secondary sex characteristics are male.

2 points   

QUESTION 17

1. The _________________ are ectodermal invaginations on theventral and lateral surface of the embryo.

   		pharyngeal pouches
   		pharyngeal arches
   		aortic arches
   		pharyngeal grooves

2 points   

QUESTION 18

1. A child with neural crest defects is most likely to also havea

   		muscular ventricular septum defect
   		membranous ventricular septum defect
   		endocardial cushion defect
   		atrial septal defect

2 points   

QUESTION 19

1. Which of the following patients has the greatest risk fordeveloping patent ductus arteriosus?

   		A full-term infant treated with a prostaglandin inhibitor afterbirth
   		A premature infant treated with a prostaglandin inhibitor afterbirth
   		A full-term infant treated with prostaglandins after birth
   		A premature infant treated with prostaglandins after birth