OBAQUIZ 01

Instructions

Choose the correct options and type appropriately in the comment section.

No multiple entry. 

If you wish to change your answer, delete the comment and retype.

Goodluck.

1. The functional difference between the Ureter and Urethra is that?

A. The ureter comes before the urethra.

B. The urethra is longer than the ureter.

C. The ureter drains the kidney while the urethra drains the bladder.

D. The ureter is paired while the urethra is single.

2. In terms of location, the kidneys are?

A. Retroperitoneal

B. Bean shaped

C. Pyramidal

D. Abdomino-pelvic

3. The kidneys are paired structures situated in?

A. Posterior Abdominal wall

B. Anterior Abdominal wall

C. Abdominal cavity

D. Pelvic cavity.

4. Which of the following statements is incorrect?

A. An increase in blood volume decreases blood pressure.

B. An increase in blood volume inhibits renin secretion.

C. Macula densa cells form part of the Juxtaglomerular apparatus (JGA).

D. The parenchyma is formed by the renal cortex and pyramids.

5. Renal blood flow (Rbf) equals:

A. 5% of cardiac output

B. 25% of cardiac output

C. 20% of glomerular filtrate

D. 125% of glomerular filtrate

6. The order of blood flow to the glomerulus is as follows:

A. Renal >Segmental >Interlobar>Interlobular>Arcuate>Afferent arteriole

B.Renal>Arcuate>Segmental>Interlobar>Interlobular>Afferent arteriole.

C. Renal>Segmental>Interlobular>Interlobar>Arcuate>Afferent arteriole

D. Renal>Segmental>Interlobar>Arcuate>Interlobular>Afferent arteriole.

7. 15-20% of nephrons are?

A. Cortical

B. Juxtamedullary

C. Peritoneal

D. Peritubular

8. Where are podocytes found?

A. Parietal layer of Bowman's capsule

B. Visceral layer of Bowman's capsule

C. Proximal Convoluted Tubule

D. Distal Convoluted Tubule

9. A substance that is 100% reabsorbed is?

A. Glucose

B. Sodium

C. Sugar

D. Urea

10. The major difference between reabsorption and secretion as regard the kidneys is?

A. Reabsorption occurs before secretion

B. Secretion occurs before reabsorption

C.Reabsorption adds substances into the tubules while secretion removes.

D. Reabsorption decreases the concentration of the tubules while secretion increases it.

11. The glomerular filtration rate (GFR) is the amount of filtrate formed in all the glomerulus of both kidneys every minute.

This is equal to:

A. 25ml/min

B.100ml/min

C. 125ml/min

D. 125L/min

12. The mucosa of the ureter contains?

A. Transitional epithelium

B. Pseudostratified columnar epithelium

C. Simple squamous epithelium

D. Simple cuboidal epithelium

13. The male urethra is urogenital because?

A. It is located within the penis

B. It conveys urine and semen

C. It's a very long structure

D. It is part of male external genitalia

14. Which of these muscles contract during the micturition reflex?

A. Detrusor

B. Internal Ureteral sphincer

C. Internal Urethral sphincter

D. External urethral sphincter

15. The micturition centre is located in?

A. Thoracic spinal segment

B. Lumbar spinal segment

C. Sacral spinal segment

D. Coccygeal spinal segment.

16. The ovary is attached to the pelvic wall by?

A. Ovarian ligament

B. Suspensory ligament

C. Broad ligament

D. Mesovarium

17. The surface of the ovary is covered by?

A. Germinal epithelium

B. Transitional epithelium

C. Pseudostratified epithelium

D. Mesovarium

18. Blood vessels supplying the ovary are found in?

A. Ovarian cortex

B. Ovarian medulla

C. Tunica albuginea

D. Stromal cells

19. The most advanced ovarian follicle is called?

A. Graafian follicle

B. Luteal follicle

C. Corpus luteum

D. Corpus albicans

20. The estimated number of primary oocytes at birth is?

A. 2000-20,000

B. 20,000-200,000

C. 200,000-2,000,000

D. 2,000,000-20,000,000

ANSWERS

1. C

2. A

3. A

4. A

5. B

6. D

7. B

8. B

9. A

10. D

11. C

13. A

14. A

15. C

16. C

17. A

18. B

19. A

20. C