IMPORTANT MCQS FOR PMDC EXAM

I AM SHARING SOME IMPORTANT MCQS REGARDING PMDC EXAM.I HOPE EVERYONE WILL TAKE BENEFIT From THIS.
Q 1. False statement regarding pudendal nerve is:
A. Both sensory and motor
B. Derived from S2,3,4 spinal nerve roots
C. Leaves pelvis through the lesser sciatic foramen
D. It is the only somatic nerve to innervate the pelvic organs
Ans. C
Q 2. Wrong statement regarding the coronary artery is:
A. Left coronary artery is present in anterior interventricular groove
B. Usually 3 obtuse marginal arteries arise from left coronary artery
C. Posterior interventricular artery arises from right coronary artery
D. Left atrial artery is a branch of left coronary artery
Ans. B
Q 3. All are true statements regarding inguinal canal except:
A. Roof is formed by conjoint tendon
B. Deep inguinal ring is formed by transversus abdominis
C. Superficial inguinal ring is formed by external oblique muscle
D. Internal oblique forms anterior and posterior wall
Ans. B
Q 4. Right gastroepiploic artery is a branch of:
A. Left gastric
B. Coeliac trunk
C. Splenic
D. Gastroduodenal
Ans. D
Q 5. In FRACTURE of middle cranial fossa, absence of tears is due to lesion in the:
A. Trigeminal ganglion
B. Ciliary ganglion
C. Lesser petrosal nerve
D. Greater petrosal nerve
Ans. D
Q 6. Motor supply to diaphragm is by:
A. Thoracodorsal nerve
B. Phrenic nerve
C. Intercostal nerves
D. Sympathetic nerves
Ans. B
Q 7. All of the following are supplied by facial nerve except:
A. Lacrimal gland
B. Submandibular gland
C. Nasal glands
D. Parotid gland
Ans. D
Q 8. In left coronary artery thrombosis, area most likely to be involved is:
A. Anterior wall of right ventricle
B. Anterior wall of left ventricle
C. Anterior wall of right atrium
D. Inferior surface of right ventricle
Ans. B
Physiology
Q 9. Tidal volume is calculated by:
A. Inspiratory capacity minus the inspiratory reserve volume
B. Total lung capacity minus the residual volume
C. Functional residual capacity minus residual volume
D. Vital capacity minus expiratory reserve volumes
Ans. A
Q 10. Surfactant production in lungs starts at:
A. 28 weeks
B. 32 weeks
C. 34 weeks
D. 36 weeks
Ans. A
Q 11. Initiation of nerve impulse occurs at the axon hillock because:
A. It has a lower threshold than the rest of the axon
B. It is unmyelinated
C. Neurotransmitter release occurs here
D. None of the above
Ans. A
Q 12. Albumin contributes the maximum to oncotic pressure because it has:
A. High molecular weight, low concentration
B. Low molecular weight, low concentration
C. High molecular weight, high concentration
D. Low molecular weight, high concentration
Ans. D
Q 13. After 5 days of fasting a man undergoes oral GTT, true is all except:
A. GH levels are increased
B. Increased glucose tolerance
C. Decreased insulin levels
D. Glucagon levels are increased
Ans. B
Q 14. Metalloproteins help in jaundice by the following mechanism:
A. Increased glucoronyl transferase activity
B. Inhibit heme oxygenase
C. Decrease RBC lysis
D. Increase Y and Z receptors
Ans. B
Q 15. Which protein prevents contraction by covering binding sites on actin and myosin:
A. Troponin
B. Calmodulin
C. Thymosin
D. Tropomyosin
Ans. D
Q 16. Which of the following is not correct regarding capillaries:
A. Greatest cross sectional area
B. Contain 25% of blood
C. Contains less blood than veins
D. Have single layer of cells bounding the lumen
Ans. B
Q 17. A 0.5 litre blood loss in 30 minutes will lead to:
A. Increase in HR, decrease in BP
B. Slight increase in HR, normal BP
C. Decrease in HR and BP
D. Prominent increase in HR
Ans. B
Q 18. Single most important factor in control of automatic contractility of heart is:
A. Myocardial wall thickness
B. Right atrial volume
C. SA node pacemaker potential
D. Sympathetic stimulation
Ans. D
Q 19. Which of the following is not mediated through negative FEEDBACK mechanism:
A. TSH release
B. GH formation
C. Thrombin formation
D. ACTH release
Ans. C
Q 20. Force generating proteins are:
A. Myosin and myoglobin
B. Dynein and kinesin
C. Calmodulin and G protein
D. Troponin
Ans. B
Q 21. Which is true about measurement of BP with sphygmomanometer versus intraarterial pressure measurements:
A. Less than intravascular pressure
B. More than intravascular pressure
C. Equal to intravascular pressure
D. Depends upon blood flow
Ans. B
Q 22. Secondary hyperparathyroidism due to vitamin D deficiency shows:
A. Hypocalcemia
B. Hypercalcemia
C. Hypophosphatemia
D. Hyperphosphatemia
Ans. C
Q 23. Maximum absorption of water takes place in:
A. Proximal convoluted tubule
B. Distal convoluted tubule
C. Collecting duct
D. Loop of Henle
Ans. A
Biochemistry
Q 24. Basic amino acids are:
A. Aspartate and glutamate
B. Serine and glycine
C. Lysine and arginine
D. None of the above
Ans. C
Q 25. Amino acid with dissociation constant closest to physiological pH is:
A. Serine
B. Histidine
C. Threonine
D. Proline
Ans. B
Q 26. Sources of the nitrogen in urea cycle are:
A. Aspartate and ammonia
B. glutamate and ammonia
C. Arginine and ammonia
D. Uric acid
Ans. A
Q 27. If urine sample darkens on standing: the most likely condition is:
A. Phenylketonuria
B. Alkaptonuria
C. Maple syrup disease
D. Tyrosinemia
Ans. B
Q 28. A baby presents with refusal to feed, SKIN lesions, seizures, ketosis organic acids in urine with normal ammonia; likely diagnosis is:
A. Propionic aciduria
B. Multiple carboxylase deficiency
C. Maple syrup urine disease
D. Urea cycle enzyme deficiency
Ans. B
Q 29. Force not acting in an enzyme substrate complex:
A. Electrostatic
B. Covalent
C. Van der Wall
D. Hydrogen
Ans. C
Q 30. Cellular oxidation is inhibited by:
A. Cyanide
B. Carbon dioxide
C. Chocolate
D. Carbonated beverages
Ans. A
Q 31. Triple bonds are found between which base pairs:
A. A-T
B. C-G
C. A-G
D. C-T
Ans. B
Q 32. Which of the following RNA has abnormal purine bases:
A. tRNA
B. mRNA
C. rRNA
D. 16SRNA
Ans. A
Q 33. False regarding gout is:
A. Due to increased metabolism of pyrimidines
B. Due to increased metabolism of purines
C. Uric acid levels may not be elevated
D. Has a predilection for the great toe
Ans. A
Q 34. All of the following statements are true regarding lipoproteins except:
A. VLDL transports endogenous lipids
B. LDL transports lipids to the tissues.
C. Increased blood cholesterol is associated with increased LDL receptors
D. Increased HDL is associated with decreased risk of coronary disease
Ans. C
Q 35. A destitute woman is admitted to the hospital with altered sensorium and dehydration; urine analysis shows mild proteinuria and no sugar; what other test would be desirable:
A. Fouchet
B. Rothera
C. Hays
D. Benedict’s
Ans. B
Q 36. Which of these fatty acids is found exclusively in breast milk:
A. Linolaete
B. Linolenic
C. Palmitic
D. d-hexanoic
Ans. A
Q 37. Blood is not a newtonian fluid because:
A. Viscosity does not changing with velocity
B. Viscosity changes with velocity
C. Density does not change with velocity
D. Density changes with velocity
Ans. B
Microbiology
Q 38. Regarding NK cells, false statement is:
A. It is activated by IL-2
B. Expresses CD 3 receptor
C. It is a variant of large lymphocyte
D. There is antibody induced proliferation of NK cells
Ans. D
Q 39. Adenosine deaminase deficiency is seen in the following:
A. Common variable immunodeficiency.
B. Severe combined immunodeficiency
C. Chronic granulomatous disease
D. Nezelof syndrome
Ans. B
Q 40. A beta hemolytic bacteria is resistant to vancomycin, shows growth in 6.5% NaCI, is non-bile sensitive. It is likely to be:
A. Strep. agalactiae
B. Strep. pneumoniae
C. Enterococcus
D. Strep. bovis
Ans. C
Q 41. False statement about the streptococcus is:
A. M protein is responsible for production of mucoid colonies
B. M protein is the major surface protein of group A streptococci
C. Mucoid colonies are virulent
D. Endotoxin causes rash of scarlet fever
Ans. A
Q 42. Toxin involved in the streptococcal toxic shock syndrome is:
A. Pyrogenic toxin
B. Erythrogenic toxin
C. Hemolysin
D. Neurotoxin
Ans. A
Q 43. A child presents with a white patch over the tonsils; diagnosis is best made by culture in:
A. Loeffler medium
B. LJ medium
C. Blood agar
D. Tellurite medium
Ans. A
Q 44. A patient with 14 days of fever is suspected of having typhoid. What investigation should be done:
A. Blood culture
B. Widal test
C. Stool culture
D. Urine culture
Ans. B
Q 45. All are true about EHEC except:
A. Sereny test is positive
B. Fails to ferment sorbitol
C. Causes HUS
D. Elaborates shiga like exotoxin
Ans. A
Q 46. An organism grown on agar shows green coloured colonies, likely organism is:
A. Staphylococcus
B. E. coli
C. Pseudomonas
D. Peptostreptococcus
Ans. C
Q 47. Congenital syphilis can be best diagnosed by:
A. IgM FTAbs
B. IgG FTAbs
C. VDRL
D. TPI
Ans. A
Q 48. All are features of Ureaplasma urealyticum except:
A. Non gonococcal urethritis
B. Salpingitis
C. Epididymitis
D. Bacterial vaginosis
Ans. D
Q 49. Regarding HIV infection, not true is:
A. p24 is used for early diagnosis
B. Lysis of infected CD 4 cells is seen
C. Dendritic cells do not support replication
D. Macrophage is a reservoir for the virus
Ans. C
Q 50. A pregnant woman from Bihar presents with hepatic encephalopathy. The likely diagnosis:
A. Hepatitis E
B. Hepatitis B
C. Sepsis
D. Acute fatty liver of pregnancy
Ans. A

 

thanks!...so mch for d qns

 

ahan seems MCI SCREENING PATTERN...

 

Thanx alot. Jazak Allah

 

thanks...

 

kindly post more....may ALLAH bless u...

 

at this tym if u ppl are going to appear in 12th june pmdc u ppl concentrate on revision coz revision in these last 12 days will be so so so so much helpful........nd i have seen some dow uni bcqs using one of ma frnd i think dat will be helpful a lot coz last neb which i gave there was no books like that in market but u ppl are lucky to have best ov luck 4 all ov u who are appearing in this pmdc

 

thx a lot

 

plz tell are there some books in market which are helpful for preparation of m.c.q?

 

No specific books for PMDC exam but u can prepare from usmle first aid series,and other good mcqs books.
I have mentioned many times that ur core concepts make u pass the exam,not only the prep before exam.