On room air, which of these patients requires supplemental oxygen?
A) 66-year-old female; generalized weakness; history of diabetes; SpO2, 97%
B) 52-year-old male; chest pain; history of MI; SpO2, 95%
C) 39-year-old male; complaint of tingling in hands; headache; respirations, 30 breaths/min; SpO2, 98%
D) 47-year-old female; temperature 100.3°F; denies dyspnea; SpO2, 91%
D) 47-year-old female; temperature 100.3°F; denies dyspnea; SpO2, 91%
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Physicians frequently order a CBC, which typically measures which of the following?
a. Differential white blood cell count b. Hemoglobin c. Microhematocrit d. All the above
Patients with cardiac-related chest pain are at high risk for acute myocardial infarction and sudden cardiac death.
Answer the following statement true (T) or false (F)
Work of breathing reflects the amount of energy required by the lungs to overcome
A) expiratory flows B) pressure C) volume D) resistance
All of the following are true EXCEPT:
A. Urine culture is one of the most frequently requested tests. B. UTIs are more frequent in male patients. C. Standard Precautions must be observed when performing a urine culture. D. Pseudomonas can be a cause of UTIs.