Forwarded from MCQ 3rd stage ๐ฆ
Atropine overdose may cause which one of the following
Anonymous Quiz
17%
Gastrointestinal smooth muscle cramps
57%
Increase cardiac rate
6%
Increase gastric secretion
9%
Pupillary contraction
10%
Urinary frequency
Forwarded from MCQ 3rd stage ๐ฆ
All the following statements about atropine are true except
Anonymous Quiz
54%
Is a reversible anti-cholinesterase
12%
Is contraindicated in glaucoma
6%
Causes dry mouth
8%
Is use in cholinergic poisoning
21%
Can be given orally and parents parenterally
Forwarded from MCQ 3rd stage ๐ฆ
Ganglion blocking drugs:
Anonymous Quiz
18%
Benzhexol
12%
Propantheline
58%
Macamylamine
12%
Tropicamide
Forwarded from MCQ 3rd stage ๐ฆ
The following is not adverse effect of atropine
Anonymous Quiz
20%
Confusion
62%
Bradycardia
8%
Dry mouth
3%
Blurred vision
7%
Urine retention
Forwarded from MCQ 3rd stage ๐ฆ
Which drug is wrongly matched to its action in management of organophosphorus poising
Anonymous Quiz
20%
Atropine/for CNA and muscarinic effects
14%
Diazepam for convulsion
48%
Neostigmine/ for nicotinic effects
17%
Pralidoxime/cholinesterase regenerator
Forwarded from MCQ 3rd stage ๐ฆ
Pyridostigmine is drug of choice in treatment of :
Anonymous Quiz
11%
Atropine toxicity
82%
Myasthenia Gravis
6%
Alzheimer
2%
Megacolon
Forwarded from MCQ 3rd stage ๐ฆ
Forwarded from MCQ 3rd stage ๐ฆ
Forwarded from MCQ 3rd stage ๐ฆ
3. Which of the following is the best drug for distinguishing between myasthenic crisis (insufficient therapy) and cholinergic crisis (excessive therapy)?
Anonymous Quiz
9%
A) Atropine
73%
B) Edrophonium
8%
C) Physostigmine
4%
D) Pralidoxime
6%
E) Pyridostigmine
Forwarded from MCQ 3rd stage ๐ฆ
5. Pyridostigmine and neostigmine may cause which one of the following?
Anonymous Quiz
12%
A) Bronchodilation
16%
B) Cycloplegia
39%
C) Diarrhea
22%
D) Irreversible inhibition of acetylcholinesterase
11%
E) Reduced gastric acid secretion
Forwarded from MCQ 3rd stage ๐ฆ
6. Parasympathetic nerve stimulation and a slow infusion of bethanechol will each:
Anonymous Quiz
10%
A) Cause ganglion cell depolarization
13%
B) Cause skeletal muscle end plate depolarization
17%
C) Cause vasodilation
49%
D) Increase bladder tone
10%
E) Increase heart rate
Forwarded from MCQ 3rd stage ๐ฆ
7. Actions and clinical uses of muscarinic cholinoceptor agonists include which one of the following?
Anonymous Quiz
11%
A) Bronchodilation (asthma)
36%
B) Improved aqueous humor drainage (glaucoma)
15%
C) Decreased gastrointestinal motility (diarrhea)
17%
(D)Decreased neuromuscular transmission and relaxation of skeletal muscle during surgical anesthesia
22%
(E) Increased sweating (fever)
Forwarded from ุฒููุจ ู
ุถููู
A 22-year-old male is brought to the emergency room with suspected cocaine overdose. Which of the following symptoms is most likely in this patient?
Anonymous Quiz
53%
A. Hypertension
16%
B. Bronchoconstriction
20%
C. Bradycardia
11%
D. Miosis (constriction of pupil)
Forwarded from ุฒููุจ ู
ุถููู
An elderly patient is brought to the emergency room with a blood pressure of 76/60 mm Hg, tachycardia, and low cardiac output. He is diagnosed with acute heart failure. Which of the following drugs is most appropriate to improve his cardiac function?
Anonymous Quiz
23%
A. Epinephrine
6%
B. Fenoldopam
69%
C. Dobutamine
2%
D. Isoproterenol
Forwarded from ุฒููุจ ู
ุถููู
Q4293.
All of the following drugs can cause mydriasis EXCEPT:
All of the following drugs can cause mydriasis EXCEPT:
Anonymous Quiz
10%
a. Atropine
10%
b. Phenylephrine
41%
c.tolamine
38%
d. Cocaine Phen
Forwarded from ุฒููุจ ู
ุถููู
Q3637
A 45 year male presents with delirium, increased body temperature, dryness, dilated pupils and HR 130/min. Possible diagnosis:
A 45 year male presents with delirium, increased body temperature, dryness, dilated pupils and HR 130/min. Possible diagnosis:
Anonymous Quiz
2%
a. Carbamate poisoning
16%
b. Organophosphate poisoning
65%
c. Atropine poisoning
18%
d. Cocaine poisoning
Forwarded from ุฒููุจ ู
ุถููู
Q3640
Action of M2 receptor is seen at?
(Recent Pattern Question 2017)
Action of M2 receptor is seen at?
(Recent Pattern Question 2017)
Anonymous Quiz
11%
a. Sphincter dilatation
7%
b. Sympathetic nerve
32%
c. Parasympathetic nerve
51%
d. Tachycardia
Forwarded from ุฒููุจ ู
ุถููู
Which one of the following antihypertensive drugs can precipitate a hypertensive crisis following abrupt cessation of therapy
Anonymous Quiz
7%
Hydrochlorothiazid
4%
Diltiazem
2%
. Enalapril
82%
Clonidine
5%
Losartan
Forwarded from ุฒููุจ ู
ุถููู
Which of the following mechanisms best explains the antihypertensive actions of clonidine:
Anonymous Quiz
12%
A. Blockadeofฮฒ1adrenergicreceptors
16%
B. Blockade of ฮฑ1 adrenergic receptors
18%
C. Blockade of central ฮฑ2 receptors
47%
D. Stimulation of pre synaptic ฮฑ2 receptors
6%
E. Stimulation of presynaptic ฮฒ2 receptors
Forwarded from ุฒููุจ ู
ุถููู
Which drug when given systemically acts directly on adrenergic receptors within the central nervous system ( CNS ) ?
Anonymous Quiz
41%
a . Clonidine
6%
b . Midodrine
29%
c . Dopamine
24%
d . Phenylephrine