Urology Basic Science MCQ Solved Paper for FCI Recruitment

1. During fluoroscopy, what is the main source of radiation hazards that urologists could be exposed to?
A. scattered radiation from the unleaded wall
B. scattered radiation from the patient
C. scattered radiation from the floor and ceiling
D. radiation from the primary beam
Answer : B

2. 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

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

4. 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

5. 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

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

7. 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

8. 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

9. What degrades semenogelin and determines the consistency of the seminal coagulum is:
A. spermine
B. acid phosphatase
C. PSA
D. semenoglobulin
Answer : C

10. 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

11. 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

12. 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

13. 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

14. What causes Cushing`s disease is:
A. bilateral adrenal hyperplasia
B. pituitary over secretion of ACTH
C. exogenous administration of glucocorticoids
D. immune-mediated disease
Answer : B

15. Which agent is safe to kidneys?
A. amoxicillin
B. gentamycin
C. diclofenac
D. herb extract
Answer : A

16. Which anomaly might accompany horseshoe kidneys?
A. ureteropelvic junction obstruction
B. ureterocele
C. ureteral reflux
D. ureteral atresia
Answer : A

17. Which of the following is false regarding Addison`s disease?
A. autoimmune disease in 70% of the cases
B. diagnosed by the rapid ACTH stimulation test
C. characterized by low serum sodium and high potassium
D. may coexist with hyperthyroidism and diabetes mellitus
Answer : D

18. Which statement is false concerning the epididymis?
A. each epididymis can be palpable at the postero-lateral surface of the testis
B. has 3 parts; head, body, and tail
C. new batches of sperms stay in the epididymis around 2 days for maturation
D. shares the same blood supply of the testis
Answer : C

19. Which of the prostate medications could result in retrograde ejaculation?
A. tamsulosin
B. doxazosin
C. dutasteride
D. alfuzosin
Answer : A

20. 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

21. 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

23. 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

24. 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

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

26. Which of the prostate medications could result in significant hypotension?
A. finasteride
B. prazosin
C. silodosin
D. vardenafil
Answer : B

27. 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

28. 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

29. 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

30. Regarding multicystic kidneys, at what age does the compensatory renal growth end?
A. at birth
B. 2 years
C. at puberty
D. none of the above
Answer : B

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

32. 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

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

34. 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

35. 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

36. 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

37. 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

38. 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

39. 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

40. 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

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

42. Which medicine(s) might enhance hypoprothrombinemic effect on oral anticoagulants?
A. allopurinol
B. aminoglycosides
C. cimetidine
D. all of the above
Answer : D

43. Which class of the following agents does NOT impair spermatogenesis?
A. alkylating agents
B. phenothiazines
C. antiandrogens
D. prostaglandins
Answer : B

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

45. 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

46. 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

47. Hematuria of glomerular origin is associated with:
A. significant proteinuria, dysmorphic RBCs, RBC casts
B. glycosuria, eumorphic RBCs, WBC casts
C. hypercalciuria, eumorphic RBCs, granular casts
D. proteinuria, dysmorphic RBCs, hyaline casts
Answer : A

48. 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

49. 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

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