Forwarded from مصطفى فتيان الماهود
The use of benzathine penicillin G injections every 3-4 weeks to prevent reinfection with
Anonymous Quiz
5%
cholera
85%
Streptococcus pyogenes in rheumatic patients
4%
neonatal sepsis
5%
gonorrhea
Forwarded from مصطفى فتيان الماهود
Test your self 3rd stage pinned «محاضرة دكتور سعد الثانية Antimicrobial chemotherapy»
Forwarded from MCQ 3rd stage 🦋
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 🦋
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 🦋
Ganglion blocking drugs:
Anonymous Quiz
18%
Benzhexol
12%
Propantheline
58%
Macamylamine
12%
Tropicamide
Forwarded from MCQ 3rd stage 🦋
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 🦋
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 🦋
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 🦋
Forwarded from MCQ 3rd stage 🦋
Forwarded from MCQ 3rd stage 🦋
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 🦋
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 🦋
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 🦋
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 زينب مضيلم
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 زينب مضيلم
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 زينب مضيلم
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