Which of the following statements regarding polycythemia is most accurate?
A) It decreases the patient's risk of infection.
B) It decreases the ability of blood to clot.
C) It increases the patient's risk of infection.
D) It increases the patient's risk of thrombosis and congestive heart failure.
D
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You enter the room of a patient who is receiving nasal O2 through a bubble humidifier at 5 L/min. You immediately notice that the humidifier pressure relief is popping off
Which of the following actions would be most appropriate in this situation? a. Check and tighten all connections. b. Replace the humidifier with a new one. c. Look for crimped or twisted delivery tub-ing. d. Decrease the flow rate to 2 L/min.
Which of the following BEST supports "social history"?
a. Patient was married 10 years ago b. Patient has history of recurrent pneumonia prior to age 10 c. Patient's mother died of colorectal cancer 10 years ago d. Patient reports no heartburn prior to the picnic 10 days ago
A pathological Q wave indicating infarction should? measure:
A) 0.004 second.
B) 0.12 second.
C) 0.32 second.
D) 0.04 second.
Which of the following has signs and symptoms that can mimic an abdominal aortic aneurysm?
A) Phimosis B) Uremia C) Renal colic D) Nephritis