6- The underlying cause of the prolonged apnea resulting from succinylcholine is:
Anonymous Quiz
8%
a- Cardiac arrest
25%
b-A mutation in acetyl cholinesterase
8%
c- Increased release of nicotine at MĪĪ”
58%
d- Decreased levels of plasma cholinesterase
7-A 30 year-old female is being prepared for anesthesia before exploratory surgery for a mass in her neck.In addition to using an inhalation anesthetic, which one of the following drugs is given to cause complete paralysis of the skeletal muscles?
Anonymous Quiz
8%
a- Baclofen
77%
c- Atracurium
8%
b- Dantrolene
8%
d- Diazepam
8- patient having normal hepatic & renal functions was given a bolus I.V. dose of a NM blocker with duration of action should have lasted for 5-10 min. Instead, the patient required mechanical ventilation for 8 hours. Which statement is correct?
Anonymous Quiz
27%
a- The agent administered was atracurium
55%
b- This is an example of genetic variation in drug metabolism
0%
c- The agent was tubocurarine
18%
d- It is due to rapid distribution of the drug into the brain
9- Which of the following drugs is effective in the management of malignant hyperthermia?
Anonymous Quiz
7%
a- Baclofen
64%
b- Dantrolene
21%
c- Succinylcholine
7%
d- Vecuronium
10- Which of the following drugs could produce hyperkalemia leading to cardiac arrest especially in patients with excessive burns?
Anonymous Quiz
8%
a- Baclofen
0%
b- Dantrolene
0%
c- Tubocurarine
92%
d- Succinylcholine
11- Which drug is most often associated with hypotension caused by histamine release?
Anonymous Quiz
8%
a- Diazepam
8%
b- Pancuronium
83%
c- Tubocurarine
0%
d- Vecuronium
Drugs useful in treatment of hypertension include the following EXCEPT
Anonymous Quiz
0%
Nifedipine
100%
Methysergide
0%
a-Methyldopa
0%
Hydralazine
Which of the following siphat-blockers used mainly in essential hypertension:
Anonymous Quiz
23%
Phentolamine
0%
Phenoxybenzamin
46%
Doxazosin
31%
Ergotamine
Propranolol is contraindicated in:
Anonymous Quiz
7%
Angina pectoris
80%
Bronchial asthma
13%
Hypertension
0%
Arrhythmia
Propranolol can produce the following EXCEPT
Anonymous Quiz
100%
Stimulation of beta adrenoreceptors
0%
Depression of cardiac contractility
0%
Decreased blood pressure
0%
Decressed heart rate
All the following adverse effects can be produced by beta-blockers EXCEPT
Anonymous Quiz
0%
Hypolension
0%
Cold extremilles
100%
Tachycardia
0%
Bronchospasm especially in asttvnatic patients
Propranolol is useful in all of the following EXCEPT
Anonymous Quiz
0%
Hypertension
0%
Angina
15%
Atrial arrhythmia
85%
Heart block
Which of the following drugs is an angiotensin converting enzyme inhibitors
Anonymous Quiz
93%
Enalapril
0%
Diltiazem
7%
Prazosin
0%
Nifedipine
Angiotensin converting enzyme inhibitors are contraindicated in the following:
Anonymous Quiz
0%
Ischemic heart disease
0%
Diabetes mellitus
0%
Severe heart failure
100%
Bilateral renal artery stenosis
Which of the following is an angiotensin receptor antagonist:
Anonymous Quiz
88%
Losartan
6%
Ramikiren
0%
Enalidran
6%
Captopri
All of the following statements concerning captopril are correct EXCEPT
Anonymous Quiz
57%
It blocks angiotensin II receptors
7%
It reduces aldosterone secretion
0%
decreases trophic changes in hean
36%
it is a prodrug containing SH-group
All following statements concerning verapamil are correct EXCEPT:
Anonymous Quiz
0%
It is a calcium channel blocker
0%
it reduces myocardial contractility
23%
It shows A-V conduction
77%
It is a prodrug
Therapeutic uses of colcium pectoris antagonists include the following EXCEPT
Anonymous Quiz
0%
Essential hypertension
18%
Angina pectoris
0%
Prophylaxis of migraine
82%
Induction of labor
Withdrawal of which of the following drugs leads to rebound hypertension:
Anonymous Quiz
0%
prazosin
77%
Clonidine
15%
Captopril
8%
Hydralazine
Which of the following drugs cause tachycardia:
Anonymous Quiz
14%
Nadoliol
79%
Nifedipine
7%
Verapamil
0%
Captopril