Pharmacology II Exams Flashcards
Phenobarbital may not protect against ________seizure
Nonconvulsive primary generalized seizures
cerebellum controlls?
balance
Drugs that the metabolism of theophylline is inhibited by (choose 2):
Erythromycin
Cimetidine
Most potent H2 - receptor antagonists:
Femotidine
Theophylline partially blocks effects of NMBD by?
inhibition of phosphodiesterase
Gabapentin is eliminated by?
renal
adding Ketamine and theophylline together does what?
decreases seizure threshold
strongest predictor of PONV?
gender
MOA for benzos with PONV?
Decreasing synthesis and release of dopamine
Metoclopramide blocks _____ on receptor sites at CRTZ
dopamine
Clobazam is unique due to?
No sedation with long term use
According to ERAS, which patient would need a decrease in the dose of gabapentin from 600 mg to 300 mg?
30 year old female with OSA
Which of the following is true?
Levodopa replenishes dopamine stores in
the basal ganglia
The objective in treating Parkinson’s disease is to? (choose 2)
Decrease debilitating symptoms
Palliative Nature
80% of the dopamine in the brain is in the? (choose 2)
Caudate nucleus
Putamen
Gabapentin is given for?
partial and generalized seizures
All of the following are part of the afferent pathway involved in vomiting stimulation except?
Histaminergic pathway
works through
chemoreceptor trigger zone, cerebral cortex labyrinthovestibular center neurovegetative system
Which of the following medications is most effective in lowering triglycerides?
Fenofibrate (fibrates)
Mainstay treatment for hyperlipidemia?
Statins (lovastatin)
B2 effects with epinephrine? (choose 2)
- In presence of betablocker, bronchoconstriction due to alpha bronchial constriction
- Reduces vasoactive mediators for asthma
Antidepressant increase suicidal ideation in which two patient populations? (choose 2)
Adolescents
Children
Beta blocker with vasodilating effect?
Nobivolol (bystolic)
Levodopa question with newly started levodopa asking about symptoms?
Have you had a low blood pressure?
A drug that has effect of syncope w/ first dose, anticholinergic effects, and priapism?
prazosin (minipress)
Which drug is least protein bound?
gabapentin
What is seen with malnutrition or renal or hepatic disease, can result in increased plasma concentrations of unbound anti-epileptic drugs, resulting in toxicity?
Hypoalbuminemia
In pregnancy, hypoalbuminemia is due to ___ which offsets effect.
Progressive increase in central volume
Initial treatments for levodopa hypotension? (choose 2)
Compression stockings
Fluids
Patient with CAD, DM and CVA, getting a surgery done, what would the prudent SRNA assure?
Assure they are on a beta blocker
Only agent requiring routine monitoring?
Phenytoin
Gabapentin MOA?
enhanced GABA activity
Seizure medication for laboring pregnant woman?
Clobazam
Which is a pro drug?
Fenofibrate
Benzodiazepines increase the frequency of GABA mediated channels.
What does phenobarbital and other barbiturates do?
Increased duration of ion channel opening
Most Common adverse effect of statins?
myalgia
Phenobarbital principle site of action?
Chloride Ion Channel (Flood p. 347 Table 13.2)
Which of the following is naturally occurring?
Lovastatin
Which of the following is located outside the blood brain barrier, has contact with CSF, and allows substances in blood and CSF to interact?
CTZ
Teratogenesis occurs within
8 weeks
In which of the following is myopathy frequent?
Lovastatin
The astute SRNA knows that they will have to monitor blood glucose levels with what kind of drip?
epinephrine
Most common cholesterol in plasma?
LDL
Mrs. Smith was told to stop taking all her medications 4 days before surgery (including levodopa). What signs or symptoms would you expect to see the day of surgery?
Neuroleptic malignant like syndrome
New seizure drug’s elimination half time is 24hrs. How often do you expect medication given?
Q 12 hrs
Niacin most common side effect?
Flushing
Intubating someone what do you need to be careful about if they take which med?
Amlodipine
All these work on the vomiting center except
Alpha-gaminobutric acid
Hydrolysis of triglycerides occurs where?
Pancreas and small intestine
or intestinal endothelium
Flood p. 542
Anatomical sites that activate the vomiting center include all EXCEPT?
Not included: Hypothalamus
Anatomic sites that activate the vomiting center include: -vestibular apparatus,
- thalamus,
- cerebral cortex, and
- neurons within the GI tract (Flood, p. 693)
Which is true of niacin?
Hyperglycemia and abnormal glucose tolerance may occur in nondiabetic patients
The vomiting efferent signals via cranial nerves? (choose 3)
V, VII, IX, X, and XII
5, 7, 9, 10 & 12
Histamine receptor antagonist?
Promethazine
MOA of macrolides:
Prokinetic properties are attributed to their binding to motilin receptors in the stomach and doudenum
Early postop nausea occurs?
within 6 hours
The vomiting center is located in the?
medulla
Risk for PONV:
35 female lap procedure
4 year old Female strabismus surgery
What symptoms are associated with scopolamine 24- 48 hours?
visual disturbances
Prolong QT? (choose 3)
Metoclopramide
Droperidol
Ondansteron
What drug increases Triglycerides?
Cholestyramine
Medication for patients actively vomiting pt in PACU?
Dopamine antagonist
Controversial but believed to increase PONV?
Neostigmine
Medication to avoid with restless leg syndrome?
Reglan (metoclopramide)
Which drug has a serotogenic effect?
zofran
Reglan works by???? (choose 2)
Dopamine antagonist
Blocks histamine
Reglan works by?? (choose 3) (How does it work/ what does it do to the body/ it’s job)
Contract lowers esophageal sphincter
Increases small intestinal mobility
Relaxations of pylorus
MOA of Phenytoin?
Sodium channel blockade
Which of the following is an early complication with parenteral nutrition
Hypophosphatemia
Pyroxidine would be used in caution with what disease
parkinson’s disease
A deficiency in this vitamin would cause changes in hematopoiesis system and nervous system
Vitamin B12 Deficiency
Which of the following is an example of a fat soluble vitamin
Vitamin A
DEAK
You would caution the use of what drug with a patient taking St. John’s Wart?
Serotonin Antagonist
What medication was taken off the shelf because it causes prolonged QT, MI, stroke death.
Ephedra
True or False: Levodopa replenishes dopamine stores in the Medulla?
False, replenishes dopamine stores in the basal ganglia
Which of the following medications is most effective in lowering triglycerides?
Fenofibrate (Fibrates)
Which is a pro drug?
Fenofibrate
In neonates, doses of 1mg or greater may cause hemolytic anemia and increase the plasma concentrations of unbound bilirubin, thus increasing the risk of kernicterus.
Phytonadione
Antidepressant increase suicidal ideation in which two patient populations? (choose 2)
Adolescents
Children
Levodopa question with newly started levodopa asking about symptoms?
Have you had a low blood pressure?
Which is least protein bound?
Gabapentin
The vominting center is located in the?
medulla
Deficiency can cause of vitamin A can lead to
Night blindness
What factor is not synthesized by vitamin K
XII
This deficiency can lead to rickets
Vitamin D
Which of the following is not associated with enteral feeding
Decreased absorption in the small intestine
All of the following interfere with Warfarin EXCEPT
Golden Seal
Which of the following stimulates the release of Growth Hormone
Stress
What is the initial building block of corticosteroid synthesis
Cholesterol
Corticotropin releasing hormone and ACTH are: (Choose 2) (concentration and time of day)
High in the am
Low in the pm
Which of the following is released from the zona glomerulosa:
aldosterone
Which of the following is NOT true regarding absence of ACTH choose 2
Hyperpigmentation is associated with a low ACTH from primary adrenal insuffiency
Pallor is associated with Hyperpituitarism …
from ppt:
Hyperpigmentation in presence of adrenal insufficiency from primary adrenal gland disease reflects high concentrations of ACTH in plasma as the anterior pituitary attempts to stimulate corticosteroid secretion.
Pallor is the hallmark of HYPOpituitarism.
Estrogen most common side effect
Nausea
Yes, FLood p. 773 - “the most frequent unpleasant symptom with the use of estrogen is nausea”
Choose three things vasopressin does
Vasoconstriction
Reabsorption of water
Release of corticotropin
What is the side effect of iodine?
angioedema
When is radioactive iodine contraindicated?
26 year old parturient
What is given for DI?
DDAVP
What is the Prohormone to T3
T4 is a prohormone to T3
AVP and oxytocin are secreted from the ______ and transported via _____ to the ____.
Hypothalamus,
axons,
posterior pituitary
PTH has targeted effects on: (Choose 2)
Kidneys
GI
According to the ADA and WHO classification of diabetes which of the following is TRUE (Choose 2)
The underlying disease etiology
Not classified by age of onset
A patient diabetic patient with liver cirrhosis would more than likely be prescribed what sulfonylurea:
Acetohexamide
Consequences with diabetes usually resolves with a blood level less than:
200 mg/dL
Which of the following describes endocrine glands that secrete hormones adjacent to the site of origin:
Paracrine
Which of the following is the longest acting Sulfonylurea:
Chlorpropamide
All of the following are side effects of chronic corticosteroid therapy EXCEPT:
Acromegaly
What is the level of daily insulin secretion in a normal patient:
40 U/Day
True or False: Insulin is metabolized in the portal vein of the liver by second pass?
False
Which of the following does NOT cause hypoglycemia:
Metformin
What causes lactic acidosis
Metformin