Being in car accident may cause the steering wheel to hit you very forcefully in the chest. If the damage is severe enough, the ribs may break and puncture the thoracic cavity. What is such an injury called, and what would have been the symptoms and the anatomical injuries?
What will be an ideal response?
The rib would have entered the pleural cavity, and could have caused pneumothorax, an entrance of air into the chest cavity. This could have caused the lung on that side to deflate, which would have made respiration for the hero more difficult. The lung on the side of the injury might have been cut, which would have caused bleeding into the chest (hydropneumothorax) or out of the wound opening. In any case, bubbles would be observed at the site of the opening of the injury, and breathing would become labored. In real life such an injury would require an immediate trip to a hospital emergency room.
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Answer the following statements true (T) or false (F)
1. In an asthma attack, medication is inhaled to relax the constricted muscles of the bronchioles. 2. The smallest and last part of the air distribution system of the respiratory tract is the alveolar ducts. 3. Surfactant is needed in the lung to increase the surface tension in the alveoli. 4. Premature infants may not make sufficient surfactant in the lung. This may increase the probability that the alveoli in the lungs will collapse. 5.
Chronic hypersecretion of growth hormone as a child would result in ________.
A. pituitary dwarfism B. myxedema C. acromegaly D. gigantism
Which of the following would NOT show up on an electrocardiogram?
a. SA node damage b. cardiac arrhythmias c. conduction deficits d. murmurs
Describe the gross anatomy of the thymus
A) The thymus is a deep red, elongated organ covered by a capsule. It is soft and contains indentations for the organs surrounding it. B) The thymus is a bean-shaped organ covered by a capsule with multiple afferent vessels and a single efferent vessel delivering lymph to it. C) The thymus is an aggregate of lymphoid tissue without a capsule embedded in the epithelial lining of various organs. D) The thymus is the largest visceral organ. It is a firm and reddish brown organ containing 4 lobes. E) The thymus is a pink, grainy organ covered by a capsule that divides it into two lobes, which divide further into lobules.