Exam 3 Yellow Packet Flashcards
MAOIsWhat are the two main cerebral centers that cause vomiting?
Vomiting center in medulla
CTZ
What are some nonpharmacological remedies to nausea and vomiting? (6)
Weak tea
Dry toast
Crackers
Gatorade
Pedialyte
IV fluids if severely dehydrated
What are some OTC drugs prescribed for nausea/vomiting? (4)
Diphenhydramine
Dramamine (motion sickness)
Meclizine - antihistamine
Pepto-bismol
What are some side effects that Antihistamines and Anticholinergics have in common?
Drowsiness
Dry mouth - can’t spit
Tachycardia
Blurred vision - can’t see
Constipation - can’t shit
You should avoid taking antihistamines and anticholinergics if you have what medical diagnosis?
Glaucoma
Very high doses of dopamine antagonists can treat what?
Psychiatric illness
Psychotic break
Schizophrenia
Dow do dopamine antagonists work?
Block dopamine 2 receptors in the CTZ
Promethazine
Prochlorperazine
Thorazine
IV or IM
What antiemetic is used for severe nausea from surgery, anesthesia, chemo, and radiation?
Phenothiazines
What are some common side effects/adverse reactions of dopamine antagonists? (7)
Hypotension
Sedation
EPS
CNS effects
Dry mouth
Constipation
Urinary retention
What is the most used Serotonin receptor antagonist used for nausea/vomiting?
Ondansetron (Zofran) - does not cause EPS
Benzodiazepines are a sedative hypnotic, but can indirectly be used as a what?
Antiemetic - not first choice
Indirectly control N/V with chemo - lorazepam, diazepam
What use do glucocorticoids and cannabinoids have in common?
N/V associated with cancer treatment
What are some side effects of cannabinoids?
DO NOT GIVE WITH PSYCHIATRIC DISORDERS
Mood changes
Euphoria
Drowsiness
Headache
Dry mouth
Confusion
Nightmares
Orthostatic hypotension
What is the antidote for acetaminophen overdose?
Mucomyst
When should you not take antidiarrheals?
You’ve already taken them for two days.
Fever is present
What do we use Somostatin Analog Sandostatin to treat?
Severe diarrhea r/t metastatic cancer
What is the use of adsorbents?
To coat the wall of the GI tract.
Kaopectate, Pepto-Bismol, Questran
What are some nonpharmaceutical solutions to constipation?
High fiber diet
Increased water intake
Exercise
When should you NOT use laxatives/cathartics? (4)
Intestinal obstruction
Appendicitis
Ulcerative colitis
Diverticulitis
What are the four types of laxatives?
Osmotics (saline) - Do not use if poor renal function or CHF
Stimulants (contact or irritant)
Bulk forming
Emollients (stool softeners)
Where in the GI tract can you get peptic ulcers?
Esophagus
Stomach (gastric)
Duodenum
Upper GI
What is the GMB?
Gastric Mucosal Barrier that helps to protect the lining against corrosive substances.
What are some nonpharmacological treatments for peptic ulcers/GERD? (7)
No smoking
Avoid alcohol
Weight loss
Avoid hot, spicy, greasy foods
NSAIDs/Glucocorticoids should be taken with food or decrease the dose
Avoid eating before hs
Loose fitting clothes
Name the seven antiulcer drugs.
Tranquilizers - decrease vagal activity
Anticholinergics - decrease acetylcholine
Antacids - neutralizes gastric acid
H2 Blockers - block h2 receptors
PPI’s - inhibits gastric acid secretion
Sucralfate - mucosal protectant
Prostaglandin E1 analogue misoprostol - inhibits gastric acid secretion and protects the mucosa
What are the pros and cons of antacids?
Pro: promote ulcer healing
Cons: decreases absorptions of all other medications/nutrients
Should take 1-3 hours after meals
What are you assessing with antacids? (3)
Calcium
Phosphate
Renal function
What ending to all protein pump inhibitors have?
~prazole
omeprazole
pantaprazole
What enzymes do you monitor for PPIs?
Liver
Which antiulcer drug decreases absorption of tetracyclines, dilantin, fat-soluble vitamins?
Sucralfate (Carafate) - Mucosal Protectant
Which antiulcer drug prevents NSAID induced gastric ulcers?
Prostaglandin Analogue (misoprostol)
Should oral hypoglycemic meds be taken by all diabetics?
No, they are for type 2 diabetics only
What are the two types of oral hypoglycemic medications?
Sulfonylureas
Nonsulfonylureas
What are common side effects of Glipizide (sulfonylurea)?
Insulin reaction (nervousness, tremors, confusion)
GI effects
What are common adverse effects of sulfonylureas (glipizide)?
Blood dyscrasias (anemia, leukopenia, thrombocytopenia)
What lab test will you order when taking oral hypoglycemic medication?
CBC - frequently
What type of medication is glucophage (metformin)?
Nonsulfonylurea
Which medication must be stopped prior to and two days after any radiological test using contrast?
Metformin (glucophage)
What is the criteria for use of oral hypoglycemic medication? (6)
Onset of diabetes mellites after adolescence
Diagnosed with diabetes for <5 years
Normal or overweight
Fasting glucose <=200mg/dl
<40 U insulin required per day
Normal renal and hepatic function
What are the four types of insulin?
Rapid (~log)
Short-Acting - Regular
Intermediate Acting - NPH or Lente
Long Acting - Glargine
When should rapid insulin be given?
Should be given within 5 minutes before eating, with the tray in front of them. Peak 30 minutes.
What is the only insulin given IV?
Regular/Short-Acting
What are the onset/peak times for short-acting insulin?
Onset - 30 minutes
Peak - 1-2 hours
What are the onset/peak times for intermediate acting insulin?
Onset - 2-4 hours
Peak - 4-6 hours
What are the onset/peak times for long acting insulin?
Onset - 4-6 hours
Peak - 6-8 hours
What are some common signs and symptoms of diabetes? (10)
Always tired
Always thirsty
Frequent urination
Always hungry
Unexplained weight loss
Blurred vision
Numbness/tingling
Wounds that won’t heal
Infections
Sexual dysfunction
Polyuria, polydipsia (thirst), polyphagia (hunger) are signs of?
Hyperglycemia
Glucagon is an IM injection used to treat?
Hypoglycemia
What nursing interventions are there for diabetes mellitis?
Monitor A1C 3-4 times a year
Monitor blood glucose
Periodic lipid profiles
What are the three pituitary hormones?
ADH - Antidiuretic Hormone
ACTH - Corticotropin
GH - Growth Hormone
What is caused when there is an excess of ADH (antidiuretic hormone)?
Demeclocycline
SIADH
Hypervolemia (excess fluid)
What is caused when there is a deficient amount of ADH (antidiuretic hormone)?
Desmopressin
Hypovolemia - Blood pressure bottoms out (check peripheral pulses and cap refill)
Diabetes insipidus
ACTH - corticotropin mimics steroids, so what is important to know?
Taper dose
Monitor electrolytes
Assess for weight gain, edema, hair growth
When would you NOT give medication for GH - growth hormone (~tropin)?
Already overweight
Already diabetic/hyperglycemic
Why do patients with hypothyroidism go to see the doctor?
Lethargy
Tough, dry skin
Memory problems
Myxedema
Weight gain
What are Levothyroxine (Synthroid, levothyroid) used to treat?
Hypothyroidism
What is another name for Hyperthyroidism?
Grave’s Disease
What are signs and symptoms of grave’s disease (hyperthyroidism)? (6)
Weight loss
Bulging eyes
Rapid pulse
Irritable
Nervous
Heat intolerance
Which thyroid disease can be fatal?
Hyperthyroidism
What is the main purpose of the parathyroid?
Maintains calcium levels
Which parathyroid disease can cause renal failure?
Hyperparathyroid = hypercalcemia
~dronate, calcitonin, biphosphonates
Which parathyroid disease can cause lock jaw?
Hypoparathyroid = hypocalcemia
Calcium, Calcitrol, Vitamin D