Suppose a laboratory received 2 µg of DNA from a clinical sample, when the DNA isolation procedure used stated that 10 µg was optimal. The laboratory's result can be explained by all of the factors below EXCEPT:
A. A low patient white blood cell count.
B. Inadequate harvesting of the buffy coat from the sample.
C. Storage of the whole blood sample at 22°C for 12 hrs prior to use.
D. Contamination of the sample with protein.
B
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Which medication order is used to indicate that the patient should receive the medication at set intervals throughout the day?
A) Standing order B) PRN C) STAT D) As needed
Health and longevity are independent of an individual's social support system
Indicate whether the statement is true or false.
The display from the proximal port of a pulmonary artery catheter reads 12 cm H2O. This meas-urement is which of the following?
a. Stroke work index c. Pulmonary artery pressure b. Central venous pressure d. Pulmonary capillary wedge pressure
While the therapist provides ventilation using a BVM, the patient's airway resistance increases and pulmonary compliance decreases. How will these changes in lung characteristics affect the delivered volume?
A. The delivered volume will decrease. B. The delivered volume will increase. C. The delivered volume will remain essentially the same. D. The delivered volume will fluctuate considerably.