A nurse is teaching student nurses about different types of medical conditions that affect the gastrointestinal system, when a student asks her about the cause of esophageal varices. What is an appropriate answer by the nurse when asked about a potential cause of esophageal varices?
"Obesity has been a known cause of esophageal varices"
"It is caused by smoking"
"It is caused by high blood pressure"
"It is caused by chronic liver disease"
The Correct Answer is D
A. While obesity can contribute to various health issues, it is not a direct cause of esophageal varices.
B. Smoking is harmful to overall health, but it is not specifically known to cause esophageal varices.
C. High blood pressure, especially systemic hypertension, is not a direct cause of esophageal varices. However, portal hypertension, which can be caused by liver disease, is the main factor in the development of esophageal varices.
D. Chronic liver disease, particularly cirrhosis, leads to portal hypertension, which in turn causes the veins in the esophagus to become engorged and prone to bleeding, resulting in esophageal varices. This is the most appropriate cause for esophageal varices.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Cleaning the stoma site with warm water and mild soap is appropriate and the correct way to maintain stoma hygiene. No harsh chemicals or abrasive materials should be used.
B. It is safe for the client to continue participating in physical activities and exercise, as long as they feel comfortable and take necessary precautions to protect the stoma.
C. Clients with an ileostomy are generally advised to avoid high-fiber foods, especially right after surgery, to reduce the risk of blockages.
D. The ostomy bag should typically be changed every 3 to 7 days, depending on the type of bag used and the amount of output. Changing it every day is unnecessary unless there are signs of leakage or skin irritation.
Correct Answer is B
Explanation
A. Petroleum jelly should not be used on the nares with oxygen therapy, as it is flammable and could pose a fire hazard. Non-petroleum-based lubricants should be used if needed.
B. A humidifier should be attached to the flow meter when delivering oxygen at higher flow rates (such as 6 L/min) to prevent dryness and irritation of the mucous membranes in the nose and throat.
C. The nasal cannula should generally be kept on during meals to ensure continued oxygen therapy, unless it is uncomfortable or the client has other medical needs.
D. The oxygen tubing should be secured to the client’s body or clothing in a way that does not restrict movement or cause injury, but securing it to the bed sheet could lead to a potential tripping hazard or interfere with mobility.
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