Urology Basic Science 1000+ MCQ with answer for SSC Scientific Assistant
Thursday 9th of March 2023
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1. 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
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
2. The manifestations of autonomic dysreflexia include:
A. hypotension and tachycardia
B. hypotension and bradycardia
C. hypertension and tachycardia
D. hypertension and bradycardia
Answer : D
A. hypotension and tachycardia
B. hypotension and bradycardia
C. hypertension and tachycardia
D. hypertension and bradycardia
Answer : D
3. 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
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
4. Renal blood flow is autoregulated by:
A. sympathetic nervous system
B. parasympathetic nervous system
C. urinary output
D. afferent arteriolar resistance
Answer : D
A. sympathetic nervous system
B. parasympathetic nervous system
C. urinary output
D. afferent arteriolar resistance
Answer : D
5. Which of the following is NOT a part of the urogenital diaphragm structures?
A. perineal membrane
B. deep transverse perineal muscle
C. urethral sphincter
D. Camper`s fascia
Answer : D
A. perineal membrane
B. deep transverse perineal muscle
C. urethral sphincter
D. Camper`s fascia
Answer : D
6. What is the most likely cause of large scrotal hematoma in neonates?
A. clotting factor VIII deficiency
B. clotting factor IX deficiency
C. breech delivery
D. scrotal cavernous haemangioma
Answer : C
A. clotting factor VIII deficiency
B. clotting factor IX deficiency
C. breech delivery
D. scrotal cavernous haemangioma
Answer : C
7. Which layer lies between the superficial and deep inguinal lymph nodes?
A. Scarpa`s fascia
B. fascia lata
C. Dartos fascia
D. Camper`s fascia
Answer : B
A. Scarpa`s fascia
B. fascia lata
C. Dartos fascia
D. Camper`s fascia
Answer : B
8. Regarding renal ectopia, usually, the adrenals:
A. are cross ectopic
B. are at their normal position
C. travel with the kidneys
D. undergo ischemic atrophy
Answer : B
A. are cross ectopic
B. are at their normal position
C. travel with the kidneys
D. undergo ischemic atrophy
Answer : B
9. Which of the following does NOT affect serum creatinine?
A. gender
B. age
C. obstructing stone at left lower ureter
D. rhabdomyolysis
Answer : C
A. gender
B. age
C. obstructing stone at left lower ureter
D. rhabdomyolysis
Answer : C
10. What is the nature of the prostate-specific antigen?
A. protease
B. lyase
C. carboxylase
D. hydrolase
Answer : A
A. protease
B. lyase
C. carboxylase
D. hydrolase
Answer : A
11. 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
A. super fertility
B. increase aromatization reaction
C. increase resistance to circulating insulin
D. sleep apnea
Answer : A
12. 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
A. S1
B. S2-S4
C. T11-L2
D. L3-S1
Answer : B
13. Which agent is most likely to cause hemorrhagic cystitis?
A. cisplatin
B. ifosfamide
C. phosphomycin
D. amphotericin B
Answer : B
A. cisplatin
B. ifosfamide
C. phosphomycin
D. amphotericin B
Answer : B
14. Where is the gene sex-determining region (SRY) located at?
A. long arm of X chromosome
B. long arm of Y chromosome
C. short arm of Y chromosome
D. short arm of X chromosome
Answer : C
A. long arm of X chromosome
B. long arm of Y chromosome
C. short arm of Y chromosome
D. short arm of X chromosome
Answer : C
15. 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
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
16. Which of the following is NOT a sex accessory tissue?
A. the prostate gland
B. seminal vesicles
C. epididymi
D. bulbourethral glands
Answer : C
A. the prostate gland
B. seminal vesicles
C. epididymi
D. bulbourethral glands
Answer : C
17. At which type of renal tubular acidosis (RTA), typically, potassium levels increase?
A. type 1
B. type 2
C. type 3
D. type 4
Answer : D
A. type 1
B. type 2
C. type 3
D. type 4
Answer : D
18. 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
A. renal tuberculosis
B. urinary tract stones
C. interstitial cystitis
D. all of the above
Answer : D
19. 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
A. sympathetic nervous system
B. parasympathetic nervous system
C. somatic nervous system
D. none of the above
Answer : A
20. In which condition can NOT creatinine level be 1200 mg/dL?
A. an aspirate of pelvic urinoma
B. in untreated end-stage renal failure disease
C. a sample from a wound drain after pyeloplasty
D. a sample from suprapubic catheter
Answer : B
A. an aspirate of pelvic urinoma
B. in untreated end-stage renal failure disease
C. a sample from a wound drain after pyeloplasty
D. a sample from suprapubic catheter
Answer : B
21. Which structure is a part of the renal hilum?
A. renal pelvis
B. branches of the renal artery
C. tributaries of renal vein
D. all of the above
Answer : D
A. renal pelvis
B. branches of the renal artery
C. tributaries of renal vein
D. all of the above
Answer : D
22. 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
A. the membranous
B. the bladder neck
C. the bulbous
D. the external urethral meatus
Answer : D
23. Which artery(ies) supply(ies) the prostate?
A. middle rectal
B. inferior vesical
C. a & b
D. none of the above
Answer : C
A. middle rectal
B. inferior vesical
C. a & b
D. none of the above
Answer : C
24. Which class of the following agents does NOT impair spermatogenesis?
A. alkylating agents
B. phenothiazines
C. antiandrogens
D. prostaglandins
Answer : B
A. alkylating agents
B. phenothiazines
C. antiandrogens
D. prostaglandins
Answer : B
25. What fascial layer(s) cover(s) the prostate?
A. Denonvilliers fascia
B. prostatic fascia
C. levator fascia
D. all of the above
Answer : D
A. Denonvilliers fascia
B. prostatic fascia
C. levator fascia
D. all of the above
Answer : D
26. What type of renal tubular acidosis (RTA) does demonstrate aldosterone resistance?
A. type 1
B. type 2
C. type 3
D. type 4
Answer : D
A. type 1
B. type 2
C. type 3
D. type 4
Answer : D
27. 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
A. superior vesical artery
B. inferior vesical artery
C. superior gluteal artery
D. inferior gluteal artery
Answer : C
28. What is false concerning coagulase splitting bacteria (Griess) test?
A. it is a reduction reaction that converts nitrate to nitrite
B. nitrazine reagent papers are used to elicit the reaction
C. it is false negative in diluted urine, on taking vitamin C, and in gram +ve bacteria
D. the reaction takes 4 minutes to complete
Answer : D
A. it is a reduction reaction that converts nitrate to nitrite
B. nitrazine reagent papers are used to elicit the reaction
C. it is false negative in diluted urine, on taking vitamin C, and in gram +ve bacteria
D. the reaction takes 4 minutes to complete
Answer : D
29. 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
A. over estrogen synthesis
B. defective end-organ androgen response
C. extra X chromosome (XXY)
D. failure of genital ridge regression
Answer : B
30. 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
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
31. 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
A. proximal convoluted tubules
B. distal convoluted tubules
C. collecting duct
D. loop of Henle
Answer : C
32. 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
A. human kallikrein 2
B. pro-PSA
C. free PSA
D. complexed PSA
Answer : C
33. 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
A. administration of hypertonic saline
B. administration of crystalloid
C. administration of normal saline
D. administration of ringer lactate
Answer : C
34. All of the following develop from the mesonephric ducts, EXCEPT:
A. vas deferens
B. seminal vesicles
C. appendix epididymis
D. appendix testis
Answer : D
A. vas deferens
B. seminal vesicles
C. appendix epididymis
D. appendix testis
Answer : D
35. 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
A. intermediate mesoderm
B. mesothelium of celomic cavity
C. endoderm of the urogenital sinus
D. somatic ectoderm
Answer : D
36. What is the number of bacteria per high-power field microscopy that matches colony counts of 100,000/mL?
A. 100
B. 50
C. 10
D. 5
Answer : D
A. 100
B. 50
C. 10
D. 5
Answer : D
37. 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
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
38. 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
A. the brain cortex
B. the sacral cord
C. the lumbar cord
D. the hypothalamus
Answer : B
39. 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
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
40. What could cause autonomic dysreflexia?
A. full bladder or rectum
B. tooth extraction
C. hypertension medications
D. uncontrolled diabetes mellitus
Answer : A
A. full bladder or rectum
B. tooth extraction
C. hypertension medications
D. uncontrolled diabetes mellitus
Answer : A
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
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. 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
A. Ureaplasma urealyticum
B. Chlamydia trachomatis
C. E. coli
D. Neisseria gonorrhea
Answer : A
43. 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
A. bound to sex hormone-binding globulin
B. free
C. bound to ?1-antichymotrypsin
D. bound to albumin
Answer : A
44. 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
A. increases semen volume
B. has antimicrobial activity
C. liquefies the seminal coagulum
D. decreases semen pH
Answer : C
A. pituitary adenoma
B. adrenal adenoma
C. Kallmann syndrome
D. Klinefelter syndrome
Answer : A
46. 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
A. kidney stones
B. glomerulonephritis
C. BPH
D. bladder cancer
Answer : C
47. Which of the following is NOT a side effect of hydrochlorothiazide?
A. hypercholesterolemia
B. hyperuricemia
C. hypoglycemia
D. hypercalcemia
Answer : C
A. hypercholesterolemia
B. hyperuricemia
C. hypoglycemia
D. hypercalcemia
Answer : C
48. What is the narrowest part of the ureter?
A. uretero-pelvic junction
B. uretero-vesical junction
C. where ureters cross the pelvic brim
D. where ureters cross the common iliac bifurcation
Answer : B
A. uretero-pelvic junction
B. uretero-vesical junction
C. where ureters cross the pelvic brim
D. where ureters cross the common iliac bifurcation
Answer : B
49. The commonest neoplasms that metastasize to kidneys come from:
A. breasts
B. thyroids
C. lungs
D. liver
Answer : C
A. breasts
B. thyroids
C. lungs
D. liver
Answer : C
50. Which of the following lab results indicates prerenal failure?
A. serum BUN : creatinine > 20
B. urine [Na] < 30 mEq/L
C. Na excretion fraction < 1
D. all of the above
Answer : D
A. serum BUN : creatinine > 20
B. urine [Na] < 30 mEq/L
C. Na excretion fraction < 1
D. all of the above
Answer : D
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