問題一覧
1
Use of procainamide
anti arrhythmia
2
Hydralazine is used as
vasodilator
3
Benzoic acid -> hippuric acid
hippurate
4
Milk is more acidic than plasma
mammary excretion
5
Irreversible removal of drugs in the body
drug excretion
6
________ clearance = ________t50
reduced, higher
7
Excretion related to volatile substances and gases (niyrous oxide and ethanol)
pulmonary excretion
8
Have absent or decreased NAT activities
slow acetylators
9
In mammary excretion, weak acids will
diffuse and redistributed
10
Only _________ forms are reabsorbed in tubular reabsorption
unionized
11
Enzyme used in glutathione conjugation
glutathione s transferase
12
Warfarin + grapefruit juice
severe bleeding
13
Phenomenon in which drugs emptied via bile into the small intestine can be reabsorbed from the intestinal lumen into the SC
biliary recycling
14
2c9
phenytoin, warfarin
15
_____ enzyme= ____ metabolism, ______ plasma concentration which results in ______ activity
high, high, low, low
16
If drug A is an enzyme inhibitor what will happen to drug b?
inc activity of drug b
17
Example of endogenous compounds
melatonin, epinephrine
18
Non toxic metabolite of isoniazid
acethyldrazine
19
2d6
many cardiovascular drugs
20
Example of enzyme induction
st johns wort
21
Req for excretion
hipe
22
Milk is more ______ than plasma
acidic
23
Drugs that undergoes sulfation
acetaminophen, minoxidil
24
Enzyme present in acetylation
n acetyl transferase
25
What happens when weak acids are more unionized in the urine
reabsorbed
26
Enzyme used in sulfonation
sulfotransferase
27
In mammary excretion, weak bases will
diffuse but ion trapped
28
Enzyme used in amino acid conjugation
amino acid transferase
29
Use of isoniazid
anti tb
30
Aspirin + salicyclic acid =
acetic acid
31
Hydrolysis metabolizes
esterase, amidase
32
Reductases causes inactivation of
warfarin
33
Neonates have ________ enzyme capacity
reduced
34
For conventional oral dosage forms, this is the slowest and rate limiting step in the series of processes of drug distribution
dissolution
35
Weak acid is more ______ in the urine
unionized
36
Dapsone is used in
leprosy
37
Use of glutathion conjugation
paracetamol toxicity
38
Mao b metabolizes
dopamine
39
1a2
theophylline, acetaminophen
40
The major biotansformation site of drugs in humans is
liver
41
Mao a metabolizes
serotonin, epinephrine, NE
42
3a4
60% of drugs in pdr
43
Dehydrogenases metabolizes
alcohols
44
Which will concentrate more in breast tissue
weak base
45
Primarily ocurs in the procimal tubules by two energy requiring active transport systems
tubular secretion
46
Zero order drugs
theophylline, tolbutamine, aspirin, phenytoin, ethanol
47
Most common phase 2 drugs
acetaminophen, morphine, nsaids, bilirubin, thyroxine
48
Requirement for billiary excretion
lipid soluble, unbound
49
Toxic metabolite of isoniazid
hydrazine
50
Minor pathway in drug metabolism More important in the synthesis of endogenous compounds
methylation
51
Enzyme present in glucuronidation
udp glucurunosyl transferase