Saturday, January 12, 2008

2 - erectile dysfunction mcqs

Question 1
1. All these medications can have Erectile Dysfunction as a side effect, except:
A. Antihypertensives
B. Antiamoebics-------------
C. Tranquilizers
D. Antihistaminics

Question 2
2. Erectile Dysfunction can be the presenting symptom of:
A. Prolactin secreting pituitary adenoma
B. Diabetes Mellitus
C. Coronary Artery Disease
D. All of the above----------

Question 3
3. Which hormonal test is not necessary while evaluating a case of Erectile Dysfunction?
A. ACTH---------------
B. Serum Prolactin
D. Testosterone

Question 4
4. Neurotransmitter involved in relaxation of smooth muscle in the corpus cavernosum of penis is :
A. Dopamine
B. Serotonin
C. Nitric Oxide---------
D. Norepinephrine

Question 5
5. Ideal drug for treating Erectile Dysfunction should :
A. Have least incidence of developing priapism
B. Produce predictable consistent response
C. Easily self-administered.
D. All of the above----------

Question 6
6. Concomitant use of Nitrates and Sildenafil is absolutely contraindicated because
A. Nitrates and Sildenafil cause vasodilatation along the same pathway, therefore if used simultaneously there can be severe hypotension.--------------
B. Nitrates and Sildenafil cause vasodilatation through different pathway, therefore they can nullify each other's effect.
C. Nitrates and Sildenafil share the same excretory pathway.
D. All the above sentences are not correct.

Question 7
7. Side effect of Sildenafil not due to its vasodilatory effect is:
A. Headache
B. Dyspepsia---------
C. Nasal congestion
D. Flushing

Question 8
8. Sidenafil works by inhibiting the enzyme Phosphodiesterase 5 (PDE5 ) which is responsible for :
A. Degradation of testosterone.
B. Breakdown of cyclic GMP in penis.----------
C. Degradation of nitric oxide in penis.
D. None of the above.

Question 9
9. Regardless of the dose, Sildenafil can be taken :
A. Once in 72 hours
B. Once in 48 hours
C. Once in 24 hours------
D. Once in 12 hours

Question 10
10. Dose of Sildenafil should be reduced when used along with these drugs because they increase the half life of Sildenafil :
A. Cimetidine
B. Erythromycin
C. Ketoconazole
D. All of the above-------

Question 11
11. Sildenafil should not be used if the person is suffering from which of these eye disorders?
A. Retinitis pigmentosa---------
B. Treated glaucoma
C. Macular degeneration
D. Non-proliferative diabetic retinopathy

Question 12
12. Emerging drugs for treating Erectile dysfunction are :
A. Sublingual Apomorphine
B. IC351
C. Vardenafil
D. All of the above------

Question 13
13. Which of these is not useful in treating Erectile dysfunction?
A. Vacuum constriction devices
B. Surgical implants
C. Condoms----------
D. Alprostadil

Question 14
14. The recommended dose of sildenafil citrate
A. 25 mg once daily
B. 50 mg once daily---------
C. 100 mg once daily

Question 15
15. Sildenafil citrate is effective in
A. Mixed psychogenic and organic erectile dysfunction
B. Psychogenic erectile dysfunction
C. Organic erectile dysfunction
D. All of the above---------

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