A home care nurse is caring for a client with complaints of epigastric discomfort who is scheduled for a barium swallow. Which s
tatement by the client indicates an understanding of the test? a) "I'll take a laxative to clear my bowels before the test."
b) "I'll drink full liquids the day before the test."
c) "I'll avoid eating or drinking anything 6 to 8 hours before the test."
d) "There is no need for special preparation before the test."
c) "I'll avoid eating or drinking anything 6 to 8 hours before the test."
Explanation:
Barium is a white substance like chalk. For swallowing, it mixed with water and its thick like milk-shake.
When it enters into GI tract, it coated with tract lining so when we do X-ray it shows white on X-ray film because barium absorb the X-ray.
It should be advised the patient to avoid the eating and drinking for clear picture of X-ray film otherwise food debries etc will affect the diagnosis and interpretation of results.
Forms of passage of substances across the blood–brain barrier. (A) Passive diffusion: fat-soluble substances dissolve in the cell membrane and cross the barrier (e.g., alcohol, nicotine and caffeine). Water-soluble substances such as penicillin have difficulty in getting through.
The best vitamin to recommend in the scenario given above is VITAMIN B3, WHICH IS ALSO KNOWN AS RIBOFLAVIN. John is suffering from ariboflavinosis, which is a deficiency disease that is due to inadequate intake of riboflavin and the disease is characterized by sores on the mouth.
