1000+ Urology Basic Science MCQ for CTET [Solved]

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

2. 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

3. 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

4. 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

5. 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

6. 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

7. What is the earliest clinical sign of puberty in boys?
A. hoarseness of voice
B. enlargement of testes
C. appearance of axillary hair
D. change in body odor
Answer : B

8. Which type of urinary casts are solidified TammHorsfall mucoproteins secreted from the tubular epithelial cells of individual nephrons?
A. granular
B. hyaline
C. waxy
D. pigment
Answer : B

9. 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

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

12. What is false concerning renal vasculature?
A. there are 4 surgical segments of the kidney, based on the segmental artery distribution
B. along the kidney convexity, there is an avascular plane
C. there are no collaterals between segmental arteries
D. in < 10%, the posterior branch is the first to branch off the renal artery
Answer : D

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

14. 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

15. The manifestations of autonomic dysreflexia include:
A. hypotension and tachycardia
B. hypotension and bradycardia
C. hypertension and tachycardia
D. hypertension and bradycardia
Answer : D

16. 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

17. 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

18. 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

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

20. 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

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

22. 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

23. 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

24. 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

25. Which statement is false concerning the gubernaculua?
A. degenerate after birth
B. called the caudal genital ligaments
C. help guide the testes down through the inguinal canals
D. represent undifferentiated mesenchyme
Answer : A

26. 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

27. 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

28. 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

29. 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

30. 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

31. 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

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. 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

34. 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

35. 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

36. 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

37. 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

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

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

40. 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

41. What is the prime effect of antidiuretic hormone on kidneys?
A. increase collecting duct permeability
B. increase medullary blood flow
C. decrease cortical blood flow
D. decrease potassium secretion
Answer : A

42. Bacterial resistance to antibiotics may occur because of:
A. inherited chromosomal-mediated resistance
B. acquired chromosomal-mediated resistance
C. extrachromosomal-mediated resistance
D. all of the above
Answer : D

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 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

45. 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

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

47. 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

48. 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

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

50. 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