How long do statins take to start working?
2-4 weeks to start seeing affects
What time of day should a patient take statins?
evening on an empty stomach is best
dietary restrictions with statins?
avoid grapefruit-can increase risk of rhabdomyolysis
What do we want our ratio for cholesterol to...
NUR2474 Pharmacology Exam 2 -Questions with Correct
Answers/Verified/ Latest Update 2024/2025
How long do statins take to start working?
2-4 weeks to start seeing affects
What time of day should a patient take statins?
evening on an empty stomach is best
dietary restrictions with statins?
avoid grapefruit-can increase risk of rhabdomyolysis
What do we want our ratio for cholesterol to be
3:1 LDL: HDL
2:1 is more ideal, when it is 6:1 or 5:1 is when we start to medicate
how does cholestyramine work?
for elevated cholesterol.
It is a bile sequestrant (bile is made with cholesterol), so it binds to bile acids and prevents them
from being reabsorbed/reused and accelerates their excretion. Therefore liver needs to make more
using LDLs-the liver increases number of LDL receptors, increasing the LDL uptake (which decreases
LDL plasma levels)
What other labs will be needed when taking statins/HMG-COA inhibitors
besides cholesterol and triglycerides, liver enzymes must me checked.
what can happen if patient takes cholestyramine without dilution?
it is like a cement and can lead to erosion in throat or GI tract.
must mix with 4 oz of fluid/soup/applesauce
8 oz is more ideal
how are colesevelam and cholestyramine different?
Cholestyramine can affect absorption of fat soluble vitamins. frequently causes constipation,
abdominal discomfort and bloating
Colesevelam does not affect absorption of the fat-soluble vitamins, minimal effects on other drugs,
better tolerated. Can lower blood sugar-great for type 2 diabetes, but not type 1!
What is a common side effect of furosemide (Lasix)
orthostatic hypotension
if a patient's potassium is 2.8 mEq/L, can furosemide be given?
NO! K+ normal range is 3.5-5, they are too low
furosemide is a loop diuretic-sodium, potassium and water will be excreted.
If a patient's potassium level is 5.7 mEq/L, which medication will the nurse hold Furosemide or
Spironolactone?
Spironolactone, it is a K+ sparing diuretic, their K+ is high
if a patient's potassium level is 5.3 mEq/L, can furosemide be given?
Yes, their potassium level is elevated, furosemide will cause it to lower, which is fine
What happens when a patient on furosemide has tinnitus?
can be a sign of ototoxicity. With furosemide, deafness is transient
with ethacrynic acid (another loop diuretic) hearing loss can be permanent
What labs will a patient taking hydrochlorothiazide need?
Creatinine clearance: can be hard on the kidneys. If the patient already has kidney impairment,
possibly suggest a different med
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