1000+ Urology Basic Science MCQ for CAT [Solved]
Thursday 9th of March 2023
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1. What class of antibiotics might cause vestibular and/or auditory impairment?
A. aminoglycosides
B. ?antipseudomonal penicillins
C. cephalosporins
D. fluoroquinolones
Answer : A
A. aminoglycosides
B. ?antipseudomonal penicillins
C. cephalosporins
D. fluoroquinolones
Answer : A
2. 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
A. internal and external iliac
B. superficial inguinal
C. deep inguinal
D. superficial and deep inguinal
Answer : A
3. Which microbe causes red diaper syndrome?
A. Serratia marcescens
B. Streptococcus pyogenes
C. Clostridium difficile
D. Staphylococcus saprophyticus
Answer : A
A. Serratia marcescens
B. Streptococcus pyogenes
C. Clostridium difficile
D. Staphylococcus saprophyticus
Answer : A
4. Which of the following explains infertility in liver cirrhosis male patients?
A. decrease plasma estradiol levels
B. increase plasma testosterone-estradiol-binding globulin levels
C. suppression of suprarenal androgens
D. exaggerated pituitary response to feedback hormones
Answer : B
A. decrease plasma estradiol levels
B. increase plasma testosterone-estradiol-binding globulin levels
C. suppression of suprarenal androgens
D. exaggerated pituitary response to feedback hormones
Answer : B
5. 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
6. Which statement regarding post-obstructive diuresis (POD) is false?
A. urine production exceeding 200 ml/hr for 2 consecutive hours or producing greater than 3 L of urine in 24 hours is diagnostic of POD
B. pathologic POD can be exacerbated by excessive fluid replacement
C. the replacement fluid choice is ringer lactate
D. fluid resuscitation depends on the degree of dehydration
Answer : C
A. urine production exceeding 200 ml/hr for 2 consecutive hours or producing greater than 3 L of urine in 24 hours is diagnostic of POD
B. pathologic POD can be exacerbated by excessive fluid replacement
C. the replacement fluid choice is ringer lactate
D. fluid resuscitation depends on the degree of dehydration
Answer : C
7. 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
8. At which condition is alpha-fetoprotein most frequently elevated?
A. infiltrating ductal carcinoma of the breast
B. seminoma
C. hepatocellular carcinoma
D. malignant melanoma
Answer : C
A. infiltrating ductal carcinoma of the breast
B. seminoma
C. hepatocellular carcinoma
D. malignant melanoma
Answer : C
9. 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
A. brain stem
B. C2 C4
C. S2 - S4
D. L2 - L4
Answer : C
10. 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
A. constriction of renal afferent arterioles
B. renin inhibition
C. aldosterone stimulation
D. rise in systemic blood pressure
Answer : B
11. 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
A. 5 7 days
B. 24 36 hours
C. 2 3 days
D. 12 24 hours
Answer : B
12. 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
A. by increasing oxalate absorption
B. by heterogeneous nucleation
C. by inducing hyperoxaluria
D. by reducing urate crystals saturation
Answer : B
13. 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
A. dehydration
B. myoglobinuria
C. high doses of vitamin C
D. all of the above
Answer : D
14. 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
15. 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
16. What antibiotic could result in red man syndrome?
A. vancomycin
B. clindamycin
C. streptomycin
D. tobramycin
Answer : A
A. vancomycin
B. clindamycin
C. streptomycin
D. tobramycin
Answer : A
17. 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
A. obturator artery
B. midrectal artery
C. inferior vesical artery
D. pudendal artery
Answer : D
18. 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
19. 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
A. Watson plexus
B. capsular arteries and veins
C. inferior vesical and midrectal vessels
D. Santorini plexus
Answer : B
20. 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
21. When should a 70 yrs. man with 40 ml prostate volume, and total PSA of 2.0 ng/ml, go for a prostate biopsy?
A. if PSA reading had exceeded 2.7 ng/ml over 12 months
B. if free PSA reading was less than 0.4 ng/ml
C. if total PSA reading was greater than 8 ng/ml
D. any of the above
Answer : D
A. if PSA reading had exceeded 2.7 ng/ml over 12 months
B. if free PSA reading was less than 0.4 ng/ml
C. if total PSA reading was greater than 8 ng/ml
D. any of the above
Answer : D
22. 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
23. 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
A. terazosin, antihypertensive
B. benzodiazepines, psychotropic medicine
C. levodopa, anti-Parkinsonism medicine
D. brimonidine, glaucoma eye drops
Answer : A
24. 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
25. 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
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
26. By which of the following structures, do the fused lower poles of hoarseshoe kidneys get trapped during embryologic ascent?
A. inferior mesenteric artery
B. superior mesenteric artery
C. celiac artery
D. common iliac artery
Answer : A
A. inferior mesenteric artery
B. superior mesenteric artery
C. celiac artery
D. common iliac artery
Answer : A
27. 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
28. 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
29. 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
30. 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
31. What helps in treating Candida albicans cystitis is:
A. sodium bicarbonate
B. phyto soya
C. ascorbic acid
D. sol palmetto
Answer : A
A. sodium bicarbonate
B. phyto soya
C. ascorbic acid
D. sol palmetto
Answer : A
32. 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
33. 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
A. trauma to the prostate
B. digital rectal examination
C. urinary retention
D. prostatitis
Answer : B
34. 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
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
35. 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
36. 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
A. ?1-A
B. ?2-A
C. ?1-B
D. ?2-B
Answer : A
37. 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
38. 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
39. 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
A. high protein diet
B. hypokalaemia
C. proximal renal tubular acidosis
D. idiopathic
Answer : C
40. 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
41. Which 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
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
42. 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
43. 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
44. Which of the prostate medications couldresult in significant hypotension?
A. finasteride
B. prazosin
C. silodosin
D. vardenafil
Answer : B
A. finasteride
B. prazosin
C. silodosin
D. vardenafil
Answer : B
45. Which of the following conditions could happen in chronic pancreatitis and malabsorption syndrome with steatorrhea?
A. hyperoxaluria
B. hypercalciuria
C. hyperuricosuria
D. hyperphosphateuria
Answer : A
A. hyperoxaluria
B. hypercalciuria
C. hyperuricosuria
D. hyperphosphateuria
Answer : A
46. 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
A. central zone
B. peripheral zone
C. transitional zone
D. fibromuscular stroma
Answer : A
47. 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
A. the loin region
B. the inguinal region
C. the umbilical region
D. the penis or clitoris
Answer : B
48. Which agent is safe to kidneys?
A. amoxicillin
B. gentamycin
C. diclofenac
D. herb extract
Answer : A
A. amoxicillin
B. gentamycin
C. diclofenac
D. herb extract
Answer : A
49. 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
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
50. 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
A. retinal hemangioblastoma
B. ureteral atresia
C. pheochromocytomas
D. multiple cysts in the pancreas and kidneys
Answer : B
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