Quiz: Histology — AUA MCQ

1. Blood placental barrier in the 2" halfofpregnancy is formed of the following layers EXCEPT:

A A. Endothelium of fetal blood vessels and its basement membrane. B B. CT around fetal blood vessels. C C.Cyto-trophoblasts. D D.Syncytio-trophoblasts.

2. Which of the following hormons secretory alveoli during pregnancy?

A A.Estrogen and progesterone. B B. Prolactin and human chorionic somato mammo trophen. C C. Insulin and glucocorticoids. D E.All of the above.

3. Active mammary glands have the following cells EXCEPT:

A A. Connective tissue cells. B B. Myoepithelial cells. C C. Alveolar cuboidal cells. D D.Mammo-trophic cells.

4. All of the followings are spermatogenic cells EXCEPT:

A A.Spermatogonia B B. Primary spermatocytes C C. Secondary spermatocytes D d. Plasma cells

5. All of the followings are histological components of spermatic cord EXCEPT:

A A.Vas deferens B B.Pampiniform plexus of veins C C.Testicular artery, vein and nerve D E.Seminal vesicles

6-The male urethra is formed of the following histological parts EXCEPT:

A A.Prostatic part B B. Membranous pat C C. Penile part D E. Bony part

6-The male urethra is formed of the following histological parts EXCEPT:

A A.Prostatic part B B. Membranous pat C C. Penile part D E. Bony part

7.The largest histological ovarian follicle is

A Primordial follicle B B. Primary follicle C C.Secondary follicle D D.Tertiary follicle

8.The histological uterine glands are present in

A A.Myometrium B B. Endometrium C C.Perimetrium D D.All of above

1-The diameter of a seminiferous tubule is about:

A 300-350 um B 270-290 um C 80-110 um D 150-250 um

1-The diameter of a seminiferous tubule is about:

A 300-350 um B 270-290 um C 80-110 um D 150-250 um

2-Spermatogenesis occurs in the following order:

A Spermiogenesis-spermatocytogenesis-meiosis B Spermiogenesis-mitosis-spermatocytogenesis C Spermatocytogenesis-meiosis-spermiogenesis D Spermatocytogenesis-spermiogenesis-meiosis

3-Which step occurs first during spermiogenesis?

A Golgi Phase B Endocrine phase C Acrosomal Phase D Sertoli phase

4-The thickest layer in the wall of the vas deferens is:

A Adventitia B Mucosa C Submucosa D Musculosa

5-Testosterone is secreted by: Leydig cells.

A Secondary spermatocyte. B Spermatogonia C Sertoli cells. D Primary spermatocyte.

5-Testosterone is secreted by: Leydig cells.

A Secondary spermatocyte. B Spermatogonia C Sertoli cells. D Primary spermatocyte.

6-The largest spermatogenic cells are:

A Primary spermatocytes. B Type-B spermatogonia. C Secondary spermatocytes. D Type-A spermatogonia.

6-The largest spermatogenic cells are:

A Primary spermatocytes. B Type-B spermatogonia. C Secondary spermatocytes. D Type-A spermatogonia.

6-The largest spermatogenic cells are:

A Primary spermatocytes. B Type-B spermatogonia. C Secondary spermatocytes. D Type-A spermatogonia.

6-The largest spermatogenic cells are:

A Primary spermatocytes. B Type-B spermatogonia. C Secondary spermatocytes. D Type-A spermatogonia.

7-All of the following are extra-testicular duct except

A Tubuli recti B Vas deference C Membranous urethra D Penile urethra

8-The normal semen may contain the following EXCEPT:

A Fibrinogen B 30% of sperms are abnormal in shape. C Prostaglandins D :20% immotile sperms.

9- The acrosome is formed in:

A Secondary spermatocytes B Spermatogonia C Sertoli cells D :Spermatids

10-Blood-testis barrier is formed by:

A Spermatids B Secondary spermatocytes C Primary spermatocytes D :Sertoli cells

10-Blood-testis barrier is formed by:

A Spermatids B Secondary spermatocytes C Primary spermatocytes D :Sertoli cells

11-Secretions of seminal vesicles represent about:

A 90% of human semen B 70% of human semen C 50% of human semen D 30% of human semen

12-In the normal semen; the percentage of motile sperms may be:

A 75-80% B 65-70% C 55-65% D 50-60%

13-All of the following are functions of sertoli cells EXCEPT

A Nutritive function. B Supportive function. C Phagocytosis D Formation of acrosomes.

13-All of the following are functions of sertoli cells EXCEPT

A Nutritive function. B Supportive function. C Phagocytosis D Formation of acrosomes.

14-The normal semen contains the following EXCEPT:

A Spermine B Fibrinolysin C Fibrinogen D Uric acid

14-The normal semen contains the following EXCEPT:

A Spermine B Fibrinolysin C Fibrinogen D Uric acid

15-Which is the last step in spermiogenesis?

A Acrosomal Phase B Golgi Phase C Endocrine phase D Maturation Phase

16-In the seminiferous tubule,the spermatogenic cells are arranged as:

A 4-8 layers B 10-15 layers C 8-11 layers D 2-4 layers

16-In the seminiferous tubule,the spermatogenic cells are arranged as:

A 4-8 layers B 10-15 layers C 8-11 layers D 2-4 layers

17-Which of the following is derived from embryonic endoderm of the urogenital sinus?

A Seminal vesicles B Seminiferous tubules C Prostate gland D Epididymis

17-Which of the following is derived from embryonic endoderm of the urogenital sinus?

A Seminal vesicles B Seminiferous tubules C Prostate gland D Epididymis

18-Each lobule in the testis has about:

A 6-10 seminiferous tubules B 15-20 seminiferous tubules C 1-4 seminiferous tubules D 10-15 seminiferous tubules

18-Each lobule in the testis has about:

A 6-10 seminiferous tubules B 15-20 seminiferous tubules C 1-4 seminiferous tubules D 10-15 seminiferous tubules

19-The epididymis is comopsed

A 5 tubes B A single tube C 2-3 tubes D 8-10 tubes

19-The epididymis is comopsed

A 5 tubes B A single tube C 2-3 tubes D 8-10 tubes

19-The epididymis is comopsed

A 5 tubes B A single tube C 2-3 tubes D 8-10 tubes

20-Benign prostatic hyperplasia usually originates in:

A Peripheral and central zones B Peripheral zone C Prostatic urethra D Transition(middle zone)

21-Which of the following best describes spermiogenesis?

A Cell signalling B Meiotic cell division C Endocytosis D Cell differentiation of spermatids

22-In case of decreased FSH levels in adult males,the most expected finding is:

A Low sperm count B No symptoms. C Prostatic atrophy D Low testosterone levels

22-In case of decreased FSH levels in adult males,the most expected finding is:

A Low sperm count B No symptoms. C Prostatic atrophy D Low testosterone levels

24-Corpora amylacea may be found in:

A Corpora cavernosa of the penis B ejaculatory ducts C Seminal vesicles D Prostate gland

25.Fertilization usually occurs in:

A The medial third of the Fallopian tubes. B Body of the uterus. C The lateral third of the Fallopian tubes. D Fundus of the uterus.

25.Fertilization usually occurs in:

A The medial third of the Fallopian tubes. B Body of the uterus. C The lateral third of the Fallopian tubes. D Fundus of the uterus.

26-The vagina has the following features EXCEPT:

A Adventitia B Circular smooth muscles. C LMucosa contain glycogen. D Has longitudinal folds.

3-Active mammary glands have the following cells EXCEPT:

A Alveolar cuboidal cells. B Epithelial duct cells. C Myoepithelial cells. D Mammotropic cells.

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