A 24-year-old tall, thin man complains of sudden unilateral pleuritic chest pain and shortness of breath after playing a game of basketball. Being suspicious of a spontaneous pneumothorax, an x-ray film is made. which confirms the
suspicion. A chest tube is placed. Which of the following is a likely physical finding before chest tube placement?
A. Bilateral chest expansion
B. Bronchial breath sounds
C. Hyper resonance on percussion
D. Increased tactile fremitus
E. Tracheal deviation away from the affected lung
A 6-hour-old baby boy who was born full-term and without complications now presents with cyanosis and dyspnea. Physical examination reveals absent breath sounds on the left with bowel sounds present in the left hemithorax.
Heart sounds are distant on the left but heard well on the right An x-ray film of the chest confirms the presence of bowel loops in the chest These findings can all be explained by failed development of a single part of a specific
structure. Which of the following is the most likely origin of the part of this structure that has failed to develop properly?
A. Bulbus cordis
B. Mesencephalon
C. Midgut loop
D. Pleuroperitoneal folds
E. Respiratory diverticulum
Heart sounds are distant on the left but heard well on the right An x-ray film of the chest confirms the presence of bowel loops in the chest These findings can all be explained by failed development of a single part of a specific
structure. Which of the following is the most likely origin of the part of this structure that has failed to develop properly?
A. Bulbus cordis
B. Mesencephalon
C. Midgut loop
D. Pleuroperitoneal folds
E. Respiratory diverticulum
. A woman 30 weeks into her first pregnancy, in which she has been diagnosed with maternal diabetes mellitus, was rushed to delivery because of signs of preeclampsia. After a cesarean section delivery, the newborn baby was noted
to have signs of cyanosis, tachypnea and dyspnea. Hyaline membrane disease (surfactant deficiency) is suspected in the newborn. Which of the following is a characteristic of surfactant?
to have signs of cyanosis, tachypnea and dyspnea. Hyaline membrane disease (surfactant deficiency) is suspected in the newborn. Which of the following is a characteristic of surfactant?
A. It consists primarily of sphingomyelin, not lecithin
B. It decreases compliance of small alveoli
C. It disrupts liquid intermolecular forces in alveoli
D. It increases the surface tension of alveoli
E. It is produced by type I pneumocytes in alveoli
F. It lines medium-sized bronchi, not alveoli
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