Your patient was injured when his airbag deployed during a head-on collision. He complains of acute pain when breathing and has trouble catching his breath. Your physical exam reveals a flail segment on the left side of his chest. You recognize that a flail segment can be a life threat because:
A) it can greatly decrease his tidal volume. B) he has an open chest injury.
C) he likely has an accompanying head injury. D) this increases his chances of infection.
A
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Petty cash is a small amount of cash kept in the office for incidental purchases that require cash.
Answer the following statement true (T) or false (F)
When collecting a blood specimen with the butterfly method and PT and PTT tests are the only tests ordered, what is the correct procedure?
A) use a single serum tube with clot activator B) collect a sodium citrate tube first, then EDTA C) use a discard tube, then collect a sodium citrate tube D) collect a single blue-topped tube
Your patient is a 30-year-old construction worker who fell from scaffolding and has been impaled through the right orbit by a 36-inch piece of concrete reinforcement bar. The patient responds to verbal stimuli and appears to have multiple other injuries. Which of the following is the BEST course of action?
A) Firmly stabilize the reinforcement bar in place so that the rescue crew can cut it short. B) Transport with the reinforcement bar in place to prevent delay at the scene. C) Test the reinforcement bar for stability and remove it only if it is loose enough to be easily pulled from the wound. D) Remove the reinforcement bar and pack the orbit with sterile moist dressings to keep the scene time under 10 minutes.
Approximately what percentage of cardiac output flows through the renal system per minute?
a. 10 b. 20 c. 30 d. 40