Urology Basic Science 1000+ MCQ with answer for ESIC

1. What causes ureteral dilation during pregnancy is:
A. mechanical compression by the gravid uterus
B. physiological increase urine flow during pregnancy
C. elevated levels of progesterone
D. reflex inhibition of ureteral contractions
Answer : A

2. Which of the following does asymptomatic hematuria workup include?
A. cystoscopy
B. CT urography
C. urine cytology
D. all of the above
Answer : D

3. At which week of gestation do the primordial germ cells migrate to form the genital ridges?
A. third
B. fourth
C. fifth
D. seventh
Answer : C

4. What do urine tests examine to detect hematuria?
A. catalase activity of erythrocytes
B. peroxidase activity of erythrocytes
C. lyase activity of erythrocytes
D. none of the above
Answer : B

5. What is true regarding hematospermia?
A. should be investigated thoroughly like hematuria
B. is rarely associated with significant urologic pathology
C. carries a risk of infertility
D. mandates testicular biopsy
Answer : B

6. What does make UTI more common in mid-aged females than in males?
A. short female urethra
B. pregnancy
C. vaginal colonization with enterobacteria
D. all the above
Answer : D

7. Which class of the following diuretics could cause erectile dysfunction?
A. loop diuretics
B. thiazide diuretics
C. potassium sparing diuretics
D. osmotic diuretics
Answer : B

8. What is the earliest clinical sign of puberty in boys?
A. hoarseness of voice
B. enlargement of testes
C. appearance of axillary hair
D. change in body odor
Answer : B

9. Which of the following is NOT a component of the normal semen?
A. zinc
B. fructose
C. prostate-specific antigen
D. alkaline phosphatase
Answer : D

10. Which part of the male urethra is the narrowest?
A. the membranous
B. the bladder neck
C. the bulbous
D. the external urethral meatus
Answer : D

11. Which of the following does NOT affect serum creatinine?
A. gender
B. age
C. obstructing stone at left lower ureter
D. rhabdomyolysis
Answer : C

12. What increases blood volume and pressure in corpora cavernosa during erection is:
A. increase in sympathetic discharge
B. contraction of ischiocavernosa and bulbocavernosa muscles
C. increase arterial flow and closure of emissary veins
D. shunting of blood from the dorsal to the central cavernosal artery
Answer : C

13. Which statement is false concerning smegma?
A. it is the white secretion produced under the foreskin in males
B. it has a crucial role in penile cancer development
C. it contains lysozymes, chymotrypsin, neutrophil elastase and cytokines
D. female smegma can be found between the labia
Answer : B

14. In utero, which hormone stimulates the development of Wolffian ducts?
A. estradiol
B. DHT
C. FSH
D. testosterone
Answer : D

15. In which body tissue(s) are creatine and phosphocreatine converted to creatinine?
A. bone marrow
B. skeletal muscles
C. brown fat
D. liver
Answer : B

16. Which lab results indicate poor prognosis of male infertility?
A. azoospermia; normal FSH; increase LH
B. azoospermia; decrease FSH; normal LH
C. oligospermia; increase FSH; normal LH
D. oligospermia; normal FSH; decrease LH
Answer : C

17. What could cause autonomic dysreflexia?
A. full bladder or rectum
B. tooth extraction
C. hypertension medications
D. uncontrolled diabetes mellitus
Answer : A

18. Which statement is false concerning microhematuria?
A. malignancy is identified in patients presenting with microhematuria more than in patients presenting with gross hematuria
B. microscopic hematuria is defined as > 3 red blood cells per high powered field (RBC/hpf) on a single specimen
C. warrants full hematuria workup
D. history of cigarette smoking is of significance
Answer : A

19. Which area in the nervous system is tested by bulbocavernosus reflex?
A. brain stem
B. C2 C4
C. S2 - S4
D. L2 - L4
Answer : C

20. How can hyperuricosuria cause calcium oxalate calculi?
A. by increasing oxalate absorption
B. by heterogeneous nucleation
C. by inducing hyperoxaluria
D. by reducing urate crystals saturation
Answer : B

21. Which of the following is (are) direct branch(es) of the abdominal aorta?
A. median sacral artery
B. inferior phrenic arteries
C. gonadal arteries
D. all of the above
Answer : D

22. Wich statement is false concerning capacitation of spermatozoa?
A. occurs after acrosome reaction
B. entails removal of a glycoprotein layer
C. it is a biochemical event of sperm maturation
D. changes occur in the female genital tract
Answer : A

23. What could render red urine workup, false positive for hematuria?
A. dehydration
B. myoglobinuria
C. high doses of vitamin C
D. all of the above
Answer : D

24. What is the approximated bladder capacity of an 8 yrs. girl?
A. 150 ml
B. 200 ml
C. 250 ml
D. 300 ml
Answer : D

25. What nerve provides the major neural supply to the striated urinary sphincter and levator ani muscle?
A. somatic innervations
B. sympathetic fibers from T11 - L2
C. the pudendal nerve
D. the obturator nerve
Answer : C

26. Which agent is most likely to cause hemorrhagic cystitis?
A. cisplatin
B. ifosfamide
C. phosphomycin
D. amphotericin B
Answer : B

27. Which of the following does NOT increase PSA value?
A. trauma to the prostate
B. digital rectal examination
C. urinary retention
D. prostatitis
Answer : B

28. What causes pink diaper syndrome is (are):
A. Staphylococcus epidermidis in the urine
B. dried urate crystals on the diaper
C. Adenovirus 11 in the urine
D. Candidiasis in the urine
Answer : B

29. What vessels are located in the prostate neurovascular bundle?
A. Watson plexus
B. capsular arteries and veins
C. inferior vesical and midrectal vessels
D. Santorini plexus
Answer : B

30. What are the first and second most common zones from where prostate cancers arise?
A. central then transitional
B. peripheral then transitional
C. peripheral then central
D. transitional then central
Answer : B

31. What is the most significant innervation of the vas deferens?
A. sympathetic nervous system
B. parasympathetic nervous system
C. somatic nervous system
D. none of the above
Answer : A

32. Which of the following hormones, primarily, controls spermatogenesis?
A. GnRH
B. testosterone
C. LH
D. FSH
Answer : B

33. Between which 2 fascial planes does the prostatic neurovascular bundle travel?
A. prostatic fascia and levator fascia
B. prostate capsule and prostatic fascia
C. Denonvilliers fascia and prostate capsule
D. Denonvilliers fascia and endopelvic fascia
Answer : A

34. Which action of thigh muscles could be impaired if the obturator nerve was injured during endoscopic resection of bladder tumors?
A. adduction
B. abduction
C. flexion
D. extension
Answer : A

35. Adult size of bladder capacity is achieved at what age?
A. 5 6 yrs.
B. 7 8 yrs.
C. 9 10 yrs.
D. 11 12 yrs.
Answer : C

36. Beside renal excretion of sodium, what does atrial natriuretic hormone cause?
A. constriction of renal afferent arterioles
B. renin inhibition
C. aldosterone stimulation
D. rise in systemic blood pressure
Answer : B

37. The commonest neoplasms that metastasize to kidneys come from:
A. breasts
B. thyroids
C. lungs
D. liver
Answer : C

38. Which hormone measures testicular germ cell function best?
A. LH
B. FSH
C. HCG
D. none of the above
Answer : B

39. Which of the following conditions could result in white urine?
A. chyluria
B. bacteriuria
C. phosphaturia
D. all of the above
Answer : D

40. The mature genitourinary system develops from all of the following embryonic sources, EXCEPT:
A. intermediate mesoderm
B. mesothelium of celomic cavity
C. endoderm of the urogenital sinus
D. somatic ectoderm
Answer : D

41. Which statement concerning urine pH is false?
A. influenced by food and medications
B. renal stones form at the extremes of pH range
C. reliable only when measured by 24 hr. urine collection
D. ranges from 4 7
Answer : C

42. What is the half-life of ?-HCG?
A. 5 7 days
B. 24 36 hours
C. 2 3 days
D. 12 24 hours
Answer : B

43. Where is Santorini plexus located?
A. at either side of the prostate
B. in the pubo-prostatic space
C. anterior to the seminal vesicles
D. posterior to the vaso-epididymal junction
Answer : B

44. What is the most common cause of hematuria in men over 60 yrs.?
A. kidney stones
B. glomerulonephritis
C. BPH
D. bladder cancer
Answer : C

45. Regarding renal ectopia, usualy, the adrenals:
A. are cross ectopic
B. are at their normal position
C. travel with the kidneys
D. undergo ischemic atrophy
Answer : B

46. Which organ contributes most to the seminal fluid volume?
A. testes
B. prostate
C. seminal vesicles
D. bulbourethral glands
Answer : C

47. What is false concerning renal vasculature?
A. there are 4 surgical segments of the kidney, based on the segmental artery distribution
B. along the kidney convexity, there is an avascular plane
C. there are no collaterals between segmental arteries
D. in < 10%, the posterior branch is the first to branch off the renal artery
Answer : D

48. Which of the following might cause sterile pyuria?
A. renal tuberculosis
B. urinary tract stones
C. interstitial cystitis
D. all of the above
Answer : D

49. What is the best method to evaluate calcium levels in the urine?
A. from early morning urine sample
B. comparing urine and serum calcium at a given time
C. performing 24 urine collection
D. from a mid-stream urine sample
Answer : C

50. What antibiotic could result in red man syndrome?
A. vancomycin
B. clindamycin
C. streptomycin
D. tobramycin
Answer : A