Which of the following medications would be appropriate for blank #4?

You are responding to a nursing home for an 85-year-old patient complaining of difficulty breathing. How would you initiate contact with this patient?

A) Stand near the head of the bed and shout to make sure the patient can hear you. B) Place yourself at eye-level, identify yourself, and ask the patient what she would like to be called. C) Pick up the patient's wrist and begin taking her pulse. D) Sit on the foot of the bed and ask the patient what's up.

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.