Mcq no 183
Precursor for biosynthesis of tropane alkaloids is
Precursor for biosynthesis of tropane alkaloids is
Anonymous Quiz
10%
A.Leucine
15%
B.Lysine
54%
C.Ornithine
22%
D.Tyrosine
Mcq no 184
The sugar moeity of Digitalis purpurea is
The sugar moeity of Digitalis purpurea is
Anonymous Quiz
8%
A. 2,6deoxyallose
46%
B. 2,6 deoxyrhamnose
32%
C. 2,6 deoxyglucose
14%
D. 2,6 deoxygalactose
Mcq no 185
Powdered digitalis is dried at temperature..
Powdered digitalis is dried at temperature..
Anonymous Quiz
52%
A. Not exceeding 60°c
27%
B. 65°c
18%
C. 75°c
2%
D. 100°c
Mcq no186
D-fructose on simple reduction gives
D-fructose on simple reduction gives
Anonymous Quiz
12%
A. Only mannitol
19%
B. Only sorbitol
26%
C. L-fructose
43%
D. Mixture of mannitol and sorbitol
Mcq no 187
Biuret test is used to detect
Biuret test is used to detect
Anonymous Quiz
28%
A. Carbohydrates
13%
B.lipids
54%
C. Proteins
5%
D. Nucleic acid
Mcq no 188
One of the following is confirmed by DNA diagnosis test
One of the following is confirmed by DNA diagnosis test
Anonymous Quiz
12%
A. Hyperuricemia
52%
B.Cystic fibrosis
24%
C.Acute pancreatitis
12%
D. Hyperuricemia
Mcq no189
Polyneuritis is a disease of which vitamin deficiency
Polyneuritis is a disease of which vitamin deficiency
Anonymous Quiz
19%
A. Thiamine
31%
B.Ascorbic acid
34%
C. Pyridoxine
16%
D.Nicotinamide
Mcq no190
Lactose intolerance is because of the lack of
Lactose intolerance is because of the lack of
Anonymous Quiz
9%
A. Acid phosphatase
57%
B. Lactate dehydrogenase
32%
C. Galactose-1-phosphate-uridyl transferase
2%
Transferase
MCQ. No.191| General Pharmacology
FDA assigns the letters A, B, C, D, and X to drugs approved for human use. To which of the following does this classification apply?
FDA assigns the letters A, B, C, D, and X to drugs approved for human use. To which of the following does this classification apply?
Anonymous Quiz
22%
Fetal risk when given to pregnant women
22%
The number of unlabeled uses for a drug
38%
Relative margins of safety/therapeutic index
17%
Amount of dosage reduction needed in presence of liver dysfunction
MCQ. No.192| General pharmacology
Dopamine, epinephrine and histamine are important neurotransmitter agonists. When these ligands interact with their cellular receptors, how do they mainly elicit their responses?
Dopamine, epinephrine and histamine are important neurotransmitter agonists. When these ligands interact with their cellular receptors, how do they mainly elicit their responses?
Anonymous Quiz
19%
Opening or closing ligand-gated ion channels
11%
Activating phospholipase C
25%
Inducing or inhibiting synthesis of ligand-specific intracellular proteins
45%
Regulating intracellular second messengers through G protein-coupled receptors
MCQ. No.193| General pharmacology
Elimination of a drug is described as being heavily dependent on Phase II metabolic reactions. Which of the following is a Phase II reaction as far as drug elimination goes?
Elimination of a drug is described as being heavily dependent on Phase II metabolic reactions. Which of the following is a Phase II reaction as far as drug elimination goes?
Anonymous Quiz
13%
Deamination
72%
Glucuronidation
10%
Nitro reduction
5%
Ester hydrolysis
MCQ. No.194| G.P
Experimental evaluation of pharmacokinetics of drug under development leads to finding that it “undergoes significant first-pass hepatic metabolism.” Which of the following route was most likely used to reach this conclusion?
Experimental evaluation of pharmacokinetics of drug under development leads to finding that it “undergoes significant first-pass hepatic metabolism.” Which of the following route was most likely used to reach this conclusion?
Anonymous Quiz
15%
Sublingual
61%
Oral
19%
Intramuscular
5%
Rectal
MCQ. No.195| General pharmacology
Tolerance as well as drug resistance can be a consequence of:
Tolerance as well as drug resistance can be a consequence of:
Anonymous Quiz
24%
Activation of a drug after hepatic first-pass
48%
Drug dependence
13%
Depressed renal drug excretion
14%
Increased metabolic degradation
MCQ. No.196| General pharmacology
Ionizable group is responsible for which of the following:
Ionizable group is responsible for which of the following:
Anonymous Quiz
20%
The ability to diffuse to the site of action
15%
The potency and the toxicity
10%
The duration of action
55%
All of the above
MCQ. No.197| General pharmacology
Elimination is expressed as follows:
Elimination is expressed as follows:
Anonymous Quiz
43%
Time required to decrease the amount of drug in plasma by one-half
26%
Clearance of an organism from a xenobiotic
9%
Rate of renal tubular reabsorption
6%
Rate of renal tubular reabsorption
16%
Clearance speed of some volume of blood from substance
MCQ. No.198| General pharmacology
What phenomenon can occur in case of using a combination of drugs?
What phenomenon can occur in case of using a combination of drugs?
Anonymous Quiz
11%
Tachyphylaxis
73%
Synergism
12%
Tolerance
4%
Accumulation
MCQ. No.199| General pharmacology
What term is used to describe a decrease in responsiveness to a drug which develops in a few minutes?
What term is used to describe a decrease in responsiveness to a drug which develops in a few minutes?
Anonymous Quiz
12%
Refractoriness
32%
Cumulative effect
36%
Tachyphylaxis
20%
Tolerance
MCQ. No.200| General pharmacology
Give the definition for a therapeutical dose:
Give the definition for a therapeutical dose:
Anonymous Quiz
28%
The amount of a substance to accelerate an increase of concentration of medicine in an organism
31%
The amount of a substance to produce the minimal biological effect
8%
The amount of a substance to produce effects hazardous for an organism
33%
The amount of a substance to produce the required effect in most patients
MCQ. No.201
Dextran40 is ____________% solution in Dextrose or Saline.
Dextran40 is ____________% solution in Dextrose or Saline.
Anonymous Quiz
24%
10
28%
20
15%
30
32%
40
MCQ. No.202 to 206 involve the following case:
XYZ is a 39-year-old female with bacterial endocarditis. She is started on gentamicin 80 mg iv twice daily and penicillin G iv 1.8 g every 6 h.
XYZ is a 39-year-old female with bacterial endocarditis. She is started on gentamicin 80 mg iv twice daily and penicillin G iv 1.8 g every 6 h.