Exam (elaborations)
Nursing 3100 Final Exam with correct answers
- Course
- Institution
Nursing 3100 Final Exam with correct answers
[Show more]
Content preview
Nursing 3100 Final Exam with correctanswers
How do antiemetics work? (i.e. what is the physiology of nausea? what and where
are the receptors locate?) - ANSWERS✔✔ Antiemetics block the CTZ (chemoreceptor
trigger zone) which suppresses nausea and vomitting. These receptors are located
near the medulla, outside the Blood Brain Barrier
When should antiemetics be given? - ANSWERS✔✔ At least 1 hour before symptoms
List at least 4 classes of antiemetic agents. State their mechanism and potential
side effects. - ANSWERS✔✔ - anticholinergic: inhibits vagal transmission
- antihistamine: anticholinergic properties and block H1 receptors on CTZ
- dopamine receptor blockers: block receptors in CTZ
- serotonin receptor blockers: block receptors in stomach and CTZ
What is the effect of isopropyl alcohol on preventing post-op nausea? - ANSWERS✔✔
It works as aromatherapy
What would be the laxative of choice for each of the following? A patient recoverin
from acute myocardial infarction (MI). A patient with a slow transit time. A patient
who requires bowel preparation before surgery. - ANSWERS✔✔ Myocardial
Infarction: stool softener (Colace) because it avoids arrhythmia and valsalva's
maneuver
Slow transit time: fiber and bulk forming laxative which decreases the stool transit
time
Bowel Preparation before surgery: increase doses of hyperosmotic laxatives which
are fast working
What are the possible side effects of stimulant laxatives, hyperosmotic laxatives,
saline cathartics, and bulk-forming laxatives? - ANSWERS✔✔ stimulant laxatives:
can't be administered with antacids --> causes premature dissolution in the
stomach, GI distress, cathartic habit, patients could become dependent
, hyperosmotic laxatives: electrolyte imbalance
saline cathartics: suppresses bowel reflex causing you to lose electrolytes
bulk-forming laxatives: increase dose gradually to avoid discomfort
When should diarrhea be treated? - ANSWERS✔✔ at onset of symptoms
What are the causes of diarrhea? - ANSWERS✔✔ - infection
- viral
- bacteria
- absorption issues
- stress alters the motility of feces
- irritable bowel syndrome
- sorbital containing medications
- enteral feedings
What is ORT (oral rehydration therapy)? When should it be used? - ANSWERS✔✔
Replaces water and electrolytes in patients with diarrhea. It should be used at the
onset of diarrhea.
What is the BRAT diet? When should it be used and when should it not be used? -
ANSWERS✔✔ Bananas, rice, applesauce, tea/toast. It should be used for diarrhea
right after ORT and not used in pediatric patients
What is the most important therapy for diarrhea? - ANSWERS✔✔ ORT
Under what circumstances should medication be used for chronic diarrhea? What is
the drug of choice (DOC)? Why? - ANSWERS✔✔ It should be used when the diarrhea
is chronic (longer than a few days). The drug of choice is calcium polycarbophil
(Equalactin) because it absorbs excess water.
What is the significance of "coffee-ground" emesis? Green emesis (think about bile)?
Bright red emesis? - ANSWERS✔✔ Coffee-ground emesis: is from the stomach
because it has been siting in a more acidic environment
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Fordenken. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $16.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now