A 67-year-old male fell while trying to get up from a chair. He had begun to experience pain in his lower back about 15 minutes before. When he tried to get up, he discovered that his legs were weak and numb. The patient has a history of hypertension for about 15 years. He smokes two packs of cigarettes a day. Vital signs are blood pressure 102/60; pulse 120 weak, regular; respirations 18 shallow, regular. He is awake and alert, and he responds appropriately to questions. Breath sounds are present and equal bilaterally with NO adventitious sounds. Abdomen is very obese and nontender. The lower abdomen is mottled. The lower extremities are mottled and have no spontaneous movement and no response to pain. There are no pedal pulses. The back is nontender to palpation. Upper extremities move spontaneously with equal grip strengths and normal sensation. What problem do you suspect?
a. Cerebrovascular accident c. Abdominal aortic aneurysm
b. Lumbar spine fracture d. Silent acute myocardial
infarction
Question 2
Which of the following is the purpose of lung surfactant?
A) Destroy and remove foreign material from the alveoli.
B) Aid in the facilitated diffusion of oxygen across the alveolar membrane.
C) Decrease the surface tension of water in the alveoli.
D) Aid in the facilitated diffusion of carbon dioxide and oxygen across the alveolar membrane.
The phosphorus cycle. Numbers are 1012 g P or fluxes as 1012 g P per year (data from Schlesinger 199
Adult male tortoise, South Africa
Male cheetah marking territory
Inflammation. Inflammation is characterized by the presence of swelling, redness, heat, and pain. Sw
Good ethical judgment comes from both learning and experience.
A promissory note has a face value of $6000 and it has a date of issue of June 1 this year. The ...