chapter 25-agents used to treat laxatives & antidiarrheals Flashcards
The nurse understands that clients taking which of the following classifications of laxatives are most likely to experience laxative-dependence?
stimulant laxatives
The nurse teaching the client receiving diphenoxylate HCl (Lomotil) knows the client needs further teaching when the client responds with which of the following?
“I will take a laxative, if I do not have a bowel movement every day.”
Diphenoxylate HCl is an antidiarrheal, not a laxative.
The nurse applies which of the following principles when teaching clients about adsorbent agents such as kaolin?
Do not take these agents within several hours of other drugs.
Because these are binding agents, they may bind with other drugs, affecting the absorption of the other drugs.
All of the following are characteristics of the “ideal laxative,” EXCEPT:
works for several days after administration.
The nurse understands that saline laxatives work by:
increasing fluid in the stool by osmosis.
A client with cardiovascular disease is prescribed a laxative. Which of the following prescriptions would the nurse question for this client?
magnesium citrate 240 mL
The nurse is caring for a 71-year-old who underwent a total hip replacement and then developed constipation from lack of activity. What action by the nurse could have prevented constipation in this client?
collaborating with the health care provider about prophylactic use of stool softeners
For pregnant women, which type of laxative is usually recommended?
bulk-forming laxatives
These produce normally formed stools without the risk of fluid and electrolyte imbalances or the stimulation of uterine contractions.
Saline laxatives generally should be avoided by clients who are:
experiencing renal insufficiency
These clients are at risk for electrolyte imbalances.
The nurse who is teaching a client about how to use OTC methylcellulose should include:
“Follow the laxative with at least 8 ounces of water.”
At least 8 ounces of water (fluid) should be taken with bulk-forming laxatives to prevent gastric obstruction.
The nurse explains to the client taking psyllium that:
“It frequently takes at least 12 hours before you experience a bowel movement.”
The nurse understands that lactulose is most commonly prescribed for the client experiencing:
portal systemic encephalopathy. This is the typical client, because lactulose decreases ammonia levels.
The nurse instructing a client about laxatives uses which of the following examples to illustrate the type of laxative most likely to result in laxative dependence?
phenolphthalein-This is a stimulant laxative, which is the laxative classification most likely to cause laxative dependence.
For the client with an elevated ammonia level, the nurse anticipates administering:
lactulose.- Lactulose decreases ammonia levels by drawing ammonia from systemic circulation into the intestines to be excreted.
Polyethylene glycol-electrolyte solution mixtures are commonly employed as:
bowel-cleansing products
This is usually used prior to a colon diagnostic test, such as a colonoscopy.