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97 Cards in this Set
- Front
- Back
What are the fat soluble vitamins?
Where are they stored? |
ADEK
Can be stored in body |
|
What are the H2O soluble vitamins?
Can they be stored in body? |
B and C
Not stored in body |
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How would celiac disease affect fat soluble vitamins?
|
Disturbance of fat distribution, less absorption of fat soluble vitamins
|
|
B1
Deficiency? |
Thiamin
Beri-beri (peripheral nerve damage) Wenicke's encephalopathy (alcoholics) |
|
B2
Deficiency? |
Riboflavin
Dermatitis Angular stomatitis |
|
B3
Deficiency? |
Niacin
Pellagra: dermatitis, diarrhea, and dementia |
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B5?
Deficiency? |
Pantothenic Acid
Burning feet syndrome (neuronal damage) |
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Folic acid deficiency?
|
Megaloblastic anemia
Neural tub defects |
|
B12
Deficiency? |
Cyatocobalamine
Pernicious anemia |
|
Vit C
Deficiency? |
Ascorbic Acid
Scurvy: dec wound healing, loss of teeth |
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Vit A deficiency?
|
Night blindness, dry eye -> overall blindness
|
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Vit D deficiency?
|
Kids: Rickets
Adults: osteomalacia |
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Vit E deficiency?
|
Hemolytic anemia of newbornds
|
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Vit K deficiency?
|
Bleeding
|
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Vit A toxicity?
|
1. Increased intracranial pressure (-> nausea and vomiting)
2. Skeletal abnormalities 3. Liver damage 4. Teratogen |
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Beta Carotene toxicity?
|
Increase in lung cancer
(like vit a) |
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Vit D toxicity?
|
Acute: muscle weakness, nausea
Chronic: Metastatic calcification Tetany, convulsions Pancreas and liver damage |
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Vit E toxicity?
|
Muscle weakness
|
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Niacin toxicity?
|
Cutaneous flushing and itching
|
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Ascorbate toxicity?
|
Kidney stones
If taking massive doses and stop suddenly -> scurvy |
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Name 2 bisphosphonates
|
Tiludronate
Etidronate |
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Mechanism of bisphosphonates?
|
Inhibit enzyme in pathway of cholesterol synthesis -> alter osteoClasts and causes apoptosis of soteoClasts
|
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S.E. of Bisphosphonates? (5)
|
1. GI upset, peptic ulcers
2. Dec renal fnx 3. Eye inflammation 4. IV- 1st DOSE AFFECT (inc atrial fibrillation) 5. Osteonecrosis of the jaw |
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Name 5 Amino Bisphosphonates
|
Alendronate
Risedronate Ibandronate Pamidronate Zoledronate |
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Mechanism of amino bisphosphonates?
|
Cause dec in ATP production in osteoClasts
|
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S.E. of amino bisphosphonates? (5)
|
1. GI upset, peptic ulcers
2. Dec renal fnx 3. Eye inflammation 4. IV- 1st DOSE AFFECT (inc atrial fibrillation) 5. Osteonecrosis of the jaw |
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Mechanism of Teripartide?
|
PTH analog - stimulates bone growth
Inc blast activity |
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S.E. of Teripartide?
|
Long term high doses:
Inc blast activity -> inc clast activity -> bone loss |
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Mechanism of Cinicalcet?
|
Ca++ mimetic -> dec PTH secretion
|
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S.E. of Cinicalcet?
|
Hypocalcemia
|
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Mechanism of Raloxifene?
|
Estrogen Analog
Inhibits CLAST activity |
|
S.E. of Raloxifene?
|
Inc in pulmonary emboli
|
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Bones w/ more medullary or cortex tissue are weakened most when CLAST activity is greater than blast?
|
Medullary
|
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Mechanism of Vit D analogs?
|
Increase Ca++ absorption from gut
Increase PT synthesis and release Inc Ca++ resorption in kidney |
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Mechanism of Fluoride?
|
Stimulates osteoblasts
|
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Mechanism of Calcitonin?
|
Inhibits CLASTS
|
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Where does calcitonin come from?
|
Secreted by thyroid when Ca++ levels are too high
|
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S.E. of calcitonin?
|
GI upset
Metallic taste |
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How do glucocorticoids affect bone?
|
Inhibit BLAST maturation
Dec Ca++ absorption from gut |
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S.E. of glucocorticoids?
|
Osteoporosis
|
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Mechanism of heparin?
|
Activates BLASTS
|
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Put in order from better -> worse of relative effacacy:
Raloxifene, Alendronate, Teripartide, Calcitonin |
Teripartide
Alendronate Raloxifene Calcitonin |
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What happens in Pagets Disease?
|
Huge inc in CLAST activity, bone broken down too quickly
|
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3 drugs that activate/inc BLAST activity?
|
1. Teriparitide
2. Fluoride 3. Heparin |
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2 drugs that inhibit CLAST activity?
|
Raloxifene
Calcitonin |
|
Inhibits BLAST maturation?
|
glucocorticoids
|
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Name 4 H2 blockers used for GI
|
Nizatidine
Famotidine Ranitidine Cimetidine |
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Which 2 H2 blockers used for GI have 1st pass metabolism?
|
Ranitidine
Cimetidine |
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S.E. of Cimetidine? (2)
|
Gynecomastia- decreased production of androgens b/c it:
INHIBITS p450 |
|
2 possible cholinergic agents used for GI tract
Are they used? |
Atropine
Propantheline No b/c of all other S.E. |
|
Name the 5 proton pump inhibitors
|
Omeprazole
Lansoprazole Esomeprazole Rabeprazole Pantoprazole |
|
Mechanism of Omeprazole
|
Inhibits ATPase responsible for H+/K+ pump
Prodrug, activated by H+ |
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Side effects of Omeprazole? (4)
|
Headache
GI upset Dizziness Hypochlorhydria (-> dec bone density) |
|
Speed, Duration, and neutralizing of Sodium Bicarbonate
|
Rapid
Short High |
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S.E. of sodium bicarbonate? (3)
|
Eructation
Na+ may compromise low sodium diets Systemic absorption |
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Speed, Duration, and neutralizing of Calcium carbonate
|
Rapid
Medium High |
|
"Alka Seltzer"
|
Sodium bicarbonate
|
|
"Tums"
|
Calcium carbonate
|
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S.E. of calcium cabonate? (3)
|
Chalky texture
Constipating Hypercalcemia |
|
"Milk of magnesia"
|
Magnesium hydroxide
|
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Speed, duration, and neutralizing of aluminum hydroxide?
|
Slow
Long Low |
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S.E. aluminum hydroxide? (4)
|
Constipating
Adsorbs drugs Causes loss of phospate Al ++ toxicity |
|
Speed, duration, and neutralizing of magnesium hydroxide?
|
Slow
Medium High |
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S.E. of magnesium hydroxide? (2)
|
Laxative
Some mg++ toxicity |
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Mechanism of sucralfate?
|
Becomes viscous when exposed to acid, binds to stomach and covers damaged areas
|
|
T/F Always give sucralfate in combo w/an acid depleter.
|
FALSE
you need acid to activate it... |
|
"Pepto Bismol"
|
Bismuth Subsalicylate
|
|
Mechanism of bismuth subsalicylate? (2)
|
Inc mucous production
Inhibits growth of H Pylori |
|
S.E. of bismuch subsalicylate?
|
Darkening of feces, tongue, and teeth
|
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Mechanism of misoprostole?
|
PGE2 analog- produces mucous, bicarb, and decreases H+
|
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S.E. of misoprostole?
|
Increases uterin contractility
|
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When is misoprostole used?
|
In NSAID-induced ulceration
|
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What 3 antibiotics can be used to enhance mucosal decnses?
|
1. Metronidazole
2. Amoxicillin 3. Tetracycline |
|
What two drugs increase gastric emptying rate?
|
Metoclopromide
Erythromycin |
|
Mechanism of Metoclopromide?
|
DA and 5HT blocker
|
|
S.E. of metoclopromide?
|
Parkinson-like symptoms
Sedation |
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What are side effects of all gastric emptying agents? (4)
|
Nausea
Bloating Loss of apetite Slowing of digestive process |
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Mechanism of erythromycin?
|
Acts on motilin receptors on muscle of sm intestine
|
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S.E. erythromycin?(3)
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Ototoxicity
GI upset Pseudomembranous Colitis |
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S.E. of Cathartics? (4)
|
Fluid imbalances: K+ and H2O loss
Colitis- mucosal injury Malabsorption of nutrients Dec in normal bowel reflexes |
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Mechanism of dioctal sodium sulfosuccinate?
|
Allows more ready dispersion of fatty substances w/in gut
|
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Mechanism of mineral oil
|
Non-absorbed lubricant
May impair absorption of fat soluble nutrients |
|
S.E. of mineral oil?
|
Aspiration in elderly -> pnemonia -> stays in lungs, destroys lung tissue
|
|
4 types of bulk-adding agents
|
Bran
Methyl cellulose Psyllium Polycarbophil |
|
3 types of gastric irritants?
|
1. Anthraquinones
2. Caster Oil 3. Bisacodyl |
|
Mechanism of gastric irritants?
Special one for bisacodyl |
Increase fluid secretions in colon
Stimulates gut neuronal system |
|
S.E. of gastric irritants
|
Renal and liver damage
|
|
4 types of osmotic agnets
|
MgSO4
Mg(OH)2 Polyethylene Glycol Lubriprostone |
|
Mechanism of Lubriprostone?
|
PGE analog - binds prostaglandin RECEPTOR in gut -> inc Cl- rich GI fluid
|
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4 Narcotic agents used for diarrhea?
|
1. Opioids
2. Codeine (or morphine) 3. Diphenoxylate 4. Loperamide |
|
Mechanism of opioids on gut?
|
Cause a nonrhythmic contraction
|
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Diphenoxylate is combined w/what so it's not abused?
|
Atropine
|
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S.E. of diphenoxylate?
|
Enters CNS at high doses
|
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Loperamide S.E.?
|
Doesn't enter CNS (vs diphenoxylate does)
|
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Mechanism of simethicone?
|
Dec gas buildup in GI tract
Alters surface tension of gas bubbles |
|
Mechanism of octreotide?
|
Somatostatin analog
Dec secretion of intestinal hormones |
|
Which diarrhea drug is used for emergencies only?
|
Octreotide
|