To obtain a sample of CSF, the physician must insert a needle into the ____.

The diffusing capacity of a patient with coal worker's pneumoconiosis or silicosis would be expected to be:

a. normal. b. increased. c. decreased. d. variable based on the age of the patient.

The physician orders 250 mg of Amoxicillin to be given to a patient. The dose on hand is 500 mg tablets. How many tablets would be given to the patient?

A) 2 B) 1/2 C) 1/4 D) 1