Melena, the passage of black, tarry stools, suggests bleeding from which source?
a. The perianal or rectal area
b. The upper gastrointestinal (GI) tract
c. The lower GI tract
d. Hemorrhoids or anal fissures
ANS: B
Melena is denatured blood from the upper GI tract or bleeding from the right colon. Blood from the perianal or rectal area, hemorrhoids, or lower GI tract would be bright red.
You might also like to view...
What has most likely occurred in a patient who has been diagnosed with endogenous hypogly-cemia?
a. Taken an overdose of hypoglycemic drugs b. Been following a very restricted fasting diet or is malnourished c. Excessive secretion of insulin or an in-crease in glucose metabolism d. Exercised unwittingly without replenish-ing needed fluids and nutrients
Which issues are considered impediments to a fully functional electronic health record (EHR) system? (Select all that apply.)
a. Cost b. Standardization c. Care coordination d. Organizational culture e. Privacy and confidentiality f. Education
The Joint Commission
A. Tracks voluntary reports of sentinel events B. Tracks root causes of sentinel events C. Tracks mandatory reports of adverse events D. Both A and B
A patient self-administers glatiramer acetate injections for multiple sclerosis. Where should the patient store the drug?
1. In the freezer 2. In a warm, draft-free place 3. In the refrigerator 4. In a bathroom medicine cabinet