1. 1.Jenny a healthy young woman had a battery of tests during a physical for a

1.
1.Jenny a healthy young woman had a battery of
tests during a physical for a new job. Her RBC count was at the higher end of
the normal range at that time but four weeks later it was substantially
elevated beyond that. When asked if any circumstances had changed in her life
she admitted to taking up smoking. How might her new habit explain her higher
RBC count?2.
2. A gang member was stabbed in the chest during a
street fight. He was cyanotic and unconscious from lack of blood delivery to
the brain. The diagnosis was cardiac tamponade. What is cardiac tamponade and
how does it cause the observed symptoms?3. 3.Flo3. Florita Santos a middle-aged woman id admitted
to the coronary care unit with a diagnosis of left ventricular failure
resulting from a myocardial infarction. Her history indicated that she was
aroused in the middle of the night by severe chest pain. Her skin is pale and
cold and moist sounds are heard over the lower regions of both lungs. Explain how
failure of the left ventricle can cause these signs and symptoms.
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