RRB Group D - Urology Basic Science 1000+ MCQ [Solved] PDF Download

1. 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

2. 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

3. What is false concerning the collecting system structures of a typical kidney?
A. the renal pelvis could be intra or extra renal
B. the renal pelvis divides into 2 or 3 major calyces
C. major calyces divide into 2 or 3 minor calyces
D. unlike lateral calyces, polar calyces are often paired
Answer : D

4. Which agent should be avoided during living-related donor nephrectomy?
A. ice slush
B. heparin
C. norepinephrine
D. methylene blue
Answer : C

5. From where does the main parasympathetic efferent innervation to the pelvic plexus arise?
A. S1
B. S2-S4
C. T11-L2
D. L3-S1
Answer : B

6. 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

7. Where do Cowper`s gland ducts drain into?
A. ejaculatory ducts
B. prostatic urethra
C. membranous urethra
D. bulbous urethra
Answer : D

8. 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

9. Which part of the prostate is traversed by the ejaculatory duct:
A. central zone
B. peripheral zone
C. transitional zone
D. fibromuscular stroma
Answer : A

10. Bacterial resistance to antibiotics may occur because of:
A. inherited chromosomal-mediated resistance
B. acquired chromosomal-mediated resistance
C. extrachromosomal-mediated resistance
D. all of the above
Answer : D

11. 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

12. Renal blood flow is autoregulated by:
A. sympathetic nervous system
B. parasympathetic nervous system
C. urinary output
D. afferent arteriolar resistance
Answer : D

13. Branches of what artery travel under the endopelvic fascia form the prostate to the sidewall of the pelvis?
A. obturator artery
B. midrectal artery
C. inferior vesical artery
D. pudendal artery
Answer : D

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

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

16. How long post bilateral orchiectomy, will patients be functionally castrated?
A. immediately
B. after 2 hrs.
C. after 12 hrs.
D. after 24 hrs.
Answer : B

17. 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

18. Which type of urinary casts are solidified TammHorsfall mucoproteins secreted from the tubular epithelial cells of individual nephrons?
A. granular
B. hyaline
C. waxy
D. pigment
Answer : B

19. Which of the following does NOT increase in prostate cancer?
A. human kallikrein 2
B. pro-PSA
C. free PSA
D. complexed PSA
Answer : C

20. In utero, which hormone stimulates the development of the prostate gland?
A. estradiol
B. DHT
C. FSH
D. testosterone
Answer : B

21. What is the best initial therapy for hyponatremic dehydration?
A. administration of hypertonic saline
B. administration of crystalloid
C. administration of normal saline
D. administration of ringer lactate
Answer : C

22. What is false about purple urine bag syndrome?
A. occurs due to the interaction between the chemical components of the urine and polyvinyl chloride material in the urine bag
B. it is commonly symptomless
C. more common in female nursing home residents
D. commonly implicated bacteria are K. pneumniae, P. mirabilis, E. coli
Answer : A

23. Which period of intrauterine life does the process of organ formation (organogenesis) take place?
A. 9 12 weeks
B. 12 15 weeks
C. 15 18 weeks
D. 18 21 weeks
Answer : A

24. Which of the following mediates calcium reabsorption in the distal renal tubules?
A. aldosterone
B. hypocalcemia
C. parathyroid hormone
D. vitamin D
Answer : C

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

26. 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

27. 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

28. Which of the following is false regarding zona glomeruloza?
A. the most superficial layer of the adrenal cortex
B. responses to increased potassium levels, renin or decreased renal blood flow
C. it causes pheochromocytoma
D. secretes aldosterone
Answer : C

29. 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

30. 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

31. In males, which of the following structure(s) can NOT be palpated during digital rectal examination?
A. pelvic floor muscles
B. seminal vesicles
C. anterior surface of the sacrum
D. median lobe of the prostate
Answer : D

32. What is the function of PSA in semen?
A. increases semen volume
B. has antimicrobial activity
C. liquefies the seminal coagulum
D. decreases semen pH
Answer : C

33. Which drug does NOT result in urinary retention?
A. terazosin, antihypertensive
B. benzodiazepines, psychotropic medicine
C. levodopa, anti-Parkinsonism medicine
D. brimonidine, glaucoma eye drops
Answer : A

34. 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

35. Which ?- adrenergic receptor subtype mediates smooth muscle contraction of the prostate?
A. ?1-A
B. ?2-A
C. ?1-B
D. ?2-B
Answer : A

36. What are the abnormalities that might accompany complete ureteral duplications?
A. reflux to the upper pole ureter, obstruction to the lower pole ureter
B. reflux to the lower pole ureter, obstruction to the upper pole ureter
C. left ureteropelvic junction obstruction, right ureterocele
D. right ureteropelvic junction obstruction, left ureterocele
Answer : B

37. 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

38. 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

39. Which type of renal tubular acidosis (RTA) is more likely to form renal stones?
A. type 1
B. type 2
C. type 3
D. type 4
Answer : A

40. Which of the following carries the greatest risk of HIV transmission to health care workers?
A. splash of patient`s blood to the eyes
B. splash of patient`s blood to the mouth
C. surgical suture needle stick
D. hollow bore needle stick
Answer : D

41. What causes pure testicular feminization is:
A. over estrogen synthesis
B. defective end-organ androgen response
C. extra X chromosome (XXY)
D. failure of genital ridge regression
Answer : B

42. Which organism is capable of proliferation in the urine and causing urethritis?
A. Ureaplasma urealyticum
B. Chlamydia trachomatis
C. E. coli
D. Neisseria gonorrhea
Answer : A

43. Which artery is NOT a branch of the anterior division of internal iliac artery?
A. superior vesical artery
B. inferior vesical artery
C. superior gluteal artery
D. inferior gluteal artery
Answer : C

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

45. Which of the following is NOT a cause of hypocitraturia?
A. high protein diet
B. hypokalaemia
C. proximal renal tubular acidosis
D. idiopathic
Answer : C

46. 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

47. What is false concerning PSA molecule?
A. the free form of PSA exists in small proportions in the body, and found mainly in BPH and in the ejaculate
B. ?1- anti chymotrypsin binds to 3 epitopes of the PSA molecule to form a complexed PSA
C. ?2- macroglobulin binds to 5 epitopes of the PSA molecule to form a complexed PSA
D. the purified PSA molecule has a molecular weight of 90 kDa
Answer : D

48. Which group(s) of lymph nodes drain(s) the glans penis?
A. internal and external iliac
B. superficial inguinal
C. deep inguinal
D. superficial and deep inguinal
Answer : A

49. All of the following conditions are related to obesity syndrome, EXCEPT:
A. super fertility
B. increase aromatization reaction
C. increase resistance to circulating insulin
D. sleep apnea
Answer : A

50. 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