When assessing a patient using a pulse oximeter, it is important to remember that:
A. an oxygen saturation of greater than 90% rules out hypoxemia.
B. abnormally bound hemoglobin may produce inaccurate readings.
C. pulse oximetry will determine whether or not to administer oxygen.
D. the pulse oximeter provides an accurate reading of the patient's PaO2.
Answer: B. abnormally bound hemoglobin may produce inaccurate readings.
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You are assessing a young male patient who was found in an alley by sanitation workers. Assessment reveals the patient responds to painful stimuli by opening his eyes, but then closes them once you stop pinching the muscles on his neck. His airway is open and his breathing is shallow. His skin is cool and diaphoretic, and his pupils are constricted and do not react to light. Based on these assessment findings, the EMT would be suspicious of:
A) Stroke or hypoglycemia B) Narcotic overdose C) Traumatic assault D) Methamphetamine overdose
Alzheimer's disease is an example of an acute disorder.
Answer the following statement true (T) or false (F)
Why is Nancy Wexler against taking the test for Huntington's?
A. Most people cannot get good counseling before they take the test or afterwards. B. If you test positive, you may develop a sick identity. C. Testing is a family issue and one would need the permission of others in the family. D. Once you take the test, you cannot get the results back. E. All of these.
When a blood culture specimen is contaminated with organisms that did not originate in the blood, this can cause a:
A. positive result. B. false-negative result. C. negative result. D. false-positive result.