1000+ Urology Basic Science MCQ for NEET [Solved]

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

2. 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

3. Which lab results indicate poor prognosis of male infertility?
A. azoospermia; normal FSH; increase LH
B. azoospermia; decrease FSH; normal LH
C. oligospermia; increase FSH; normal LH
D. oligospermia; normal FSH; decrease LH
Answer : C

4. 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

5. 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

6. 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

7. 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

8. What is false concerning the urinary bladder anatomy?
A. as it distends, it peels off the peritoneum from the abdominal wall
B. the interureteric ridge is located between the 2 ureteric orifices and the uvula vesicae
C. Waldeyer`s sheath covers only the distal ureter and forms the deep trigone
D. in adults, it is percussible over the abdomen when contains at least 150 ml
Answer : B

9. 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

10. 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

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

12. What fascial layer(s) cover(s) the prostate?
A. Denonvilliers fascia
B. prostatic fascia
C. levator fascia
D. all of the above
Answer : D

13. Which of the following diabetes mellitus treatments causes erectile dysfunction?
A. long-acting insulin
B. metformin
C. sulfonylurea
D. none of the above
Answer : D

14. 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

15. In which organelle in Leydig cell does testosterone synthesis take place?
A. ribosome
B. mitochondria
C. Golgi apparatus
D. endoplasmic reticulum
Answer : D

16. Serum testosterone should be measured:
A. at mid-day
B. at the hour of sleep
C. in the morning
D. late afternoon
Answer : C

17. 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

18. 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

19. 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

20. 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

21. 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

22. What is the most likely diagnosis of an erectile dysfunction patient with low plasma testosterone and high prolactin levels?
A. pituitary adenoma
B. adrenal adenoma
C. Kallmann syndrome
D. Klinefelter syndrome
Answer : A

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

24. 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

25. 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

26. 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

27. 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

28. 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

29. How many renal papillae are there in a typical kidney?
A. 4 to 6
B. 7 to 9
C. 10 to 12
D. 13 to 14
Answer : B

30. 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

31. What increases blood volume and pressure in corpora cavernosa during erection is:
A. increase in sympathetic discharge
B. contraction of ischiocavernosa and bulbocavernosa muscles
C. increase arterial flow and closure of emissary veins
D. shunting of blood from the dorsal to the central cavernosal artery
Answer : C

32. 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

33. 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

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

35. What does apoptosis mean?
A. programmed cell death
B. new vascular formation
C. uninhibited neural stimulation
D. premature muscular contraction
Answer : A

36. 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

37. 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

38. 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

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

40. Which of the following is NOT a side effect of hydrochlorothiazide?
A. hypercholesterolemia
B. hyperuricemia
C. hypoglycemia
D. hypercalcemia
Answer : C

41. What is the nerve supply of the adrenal gland?
A. sympathetic to the medulla
B. parasympathetic to the medulla
C. sympathetic to the cortex
D. parasympathetic to the cortex
Answer : A

42. What is the creatinine clearance in ml/min for a 70 kg man aging 50 yrs. with 1.1 mg/dL serum creatinine?
A. 79.54
B. 44.19
C. 84.15
D. 94.25
Answer : A

43. What nerve provides the major neural supply to the triated 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

44. 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

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

46. 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

47. 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

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

49. 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

50. Which of the following is NOT a sex accessory tissue?
A. the prostate gland
B. seminal vesicles
C. epididymi
D. bulbourethral glands
Answer : C