1000+ Urology Basic Science Multiple Choice Question Answer [Solved]

1. Which microbe causes red diaper syndrome?
A. Serratia marcescens
B. Streptococcus pyogenes
C. Clostridium difficile
D. Staphylococcus saprophyticus
Answer : A

2. 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

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

4. What is the most significant complication of cyclosporine?
A. hepatic toxicity
B. renal toxicity
C. neural toxicity
D. cardiac toxicity
Answer : B

5. 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

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

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

8. All of the following develop from the mesonephric ducts, EXCEPT:
A. vas deferens
B. seminal vesicles
C. appendix epididymis
D. appendix testis
Answer : D

9. How does estrogen prevent lower UTI in postmenopausal women?
A. increasing vaginal secretions
B. decreasing vaginal pH
C. increasing normal vaginal flora
D. decreasing bacterial adherence
Answer : B

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

11. 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

12. 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

13. Which of the following contributes second to the seminal fluid by volume?
A. seminal vesicles
B. the prostate
C. testes
D. bulbourethral glands
Answer : B

14. 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

15. To which group of lymph nodes do tumors at the anterior superior area of the bladder, first, drain?
A. hypogastric
B. internal iliac
C. external iliac
D. lateral sacral
Answer : C

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

17. What is the nature of the prostate-specific antigen?
A. protease
B. lyase
C. carboxylase
D. hydrolase
Answer : A

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

19. Where is the centre of reflex erection located at?
A. the brain cortex
B. the sacral cord
C. the lumbar cord
D. the hypothalamus
Answer : B

20. The majority of circulating testosterone is:
A. bound to sex hormone-binding globulin
B. free
C. bound to ?1-antichymotrypsin
D. bound to albumin
Answer : A

21. Which statement explains the first event in the micturition reflex?
A. opening of internal bladder sphincter
B. fall in urethral pressure
C. rise in intravesical pressure
D. cessation of sphincter EMG activity
Answer : D

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

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

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

25. Which statement is NOT related to Klinefelter syndrome?
A. sterility is the rule
B. has a considerable short life span
C. treatment requires testicular microdissection and sperm extraction
D. 47 XXY karyotype
Answer : B

26. 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

27. Which type of renal stone crystals is known as coffin lid?
A. oxalate
B. struvite
C. urate
D. cystine
Answer : B

28. Which nephron segment contains the most diluted urine in central diabetes insipidus patient?
A. proximal convoluted tubules
B. distal convoluted tubules
C. collecting duct
D. loop of Henle
Answer : C

29. What helps in treating Candida albicans cystitis is:
A. sodium bicarbonate
B. phyto soya
C. ascorbic acid
D. sol palmetto
Answer : A

30. At what month of intra-uterine life do testes descend into the scrotum with the aid of the intra-abdominal pressure and the gubernacula?
A. sixth
B. seventh
C. eighth
D. ninth
Answer : B

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

32. 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

33. What is false about indinavir sulfate stones?
A. intratubular crystal formation might occur
B. CT cannot reliably confirm the presence of indinavir calculi
C. stone formation is demonstrated in 80% of patients taking the medication
D. is a protease inhibitor with poor solubility and significant urinary excretion
Answer : C

34. Which statement is false concerning the dipstick method for detecting hematuria?
A. depends on the ability of hemoglobin to oxidize a chromogen indicator
B. negative results need to be confirmed by microscopic examination
C. has a sensitivity of 95% and a specificity of 75%
D. the presence of many epithelial cells suggests skin or vaginal contamination
Answer : B

35. What is false concerning fosfomycin antibiotic?
A. has a limited cross-resistance with most common antibacterial agents
B. causes injection site reactions
C. is active against most uropathogens
D. is effective as a single-dose agent
Answer : B

36. Which antibiotic is the best to treat soft tissue infection with methicillin-resistant Staphylococcus aureus (MRSA) in hospitalized patients?
A. vancomycin
B. cefotaxime
C. penicillin G
D. tobramycin
Answer : A

37. 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

38. Which statement is true about the female urethra?
A. harder to catheterize when compared to the male urethra
B. 4 inch long
C. opens into the vestibule below the clitoris
D. gets wider at the post-menopausal age
Answer : C

39. To which region does pain, from the left mid ureter, refer to?
A. the loin region
B. the inguinal region
C. the umbilical region
D. the penis or clitoris
Answer : B

40. What do the specialized cells, at the juxtaglomerular apparatus, produce?
A. erythropoietin
B. renin
C. angiotensin I
D. angiotensinogen
Answer : B

41. 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

42. 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

43. Which of the following is NOT related to von Hippel-Lindau disease?
A. retinal hemangioblastoma
B. ureteral atresia
C. pheochromocytomas
D. multiple cysts in the pancreas and kidneys
Answer : B

44. Which artery(ies) supply(ies) the prostate?
A. middle rectal
B. inferior vesical
C. a & b
D. none of the above
Answer : C

45. Which part of the prostate prevents the seminal fluid from entering the bladder during ejaculation?
A. central zone
B. peripheral zone
C. preprostatic tissue
D. anterior fibromuscular stroma
Answer : C

46. What is the appropriate intravenous maintenance fluid for a 16 kg girl?
A. 43 ml/hr of normal saline
B. 78 ml/hr of ¼ normal saline
C. 69 ml/hr of ½ normal saline
D. 54 ml/hr of ¼ normal saline
Answer : D

47. Which innervations mediate detumescence?
A. cavernous nerves
B. dorsal nerves of the penis
C. sympathetic nervous system
D. parasympathetic nervous system
Answer : C

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

49. 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

50. 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