Urinary System EXAM ONE

Question 1

1.    An organ or structure that is not a component of the urinary system is the:
       A.   Urethra.
       B.   Urinary bladder.
       C.   Ureter.
       D.   Adrenal gland.
       E.   Kidney.

Answer 1

1. The correct answer is D.

Question 2

2.    The kidneys are:
      A.   Help regulate blood volume.
      B.   Help control blood pressure.
      C.   Help control PH.
      D.   All of the above are correct.

Answer 2

2. The correct answer is D.

Question 3

3.    All of the following belong to the urinary system except:
     A.   Urethra.
     B.   Ureter.
     C.   Bladder.
     D.   Prostate.

Answer 3

3. The correct answer is D.

Question 4

4. The urinary system is the principal system responsible for:
   A. Removal of carbon dioxide.
   B. Water and electrolyte balance.
   C. Excretion of toxic nitrogenous compounds.
   D. A and B
   E. B andC
   F. A, B, and C

Answer 4

4. The correct answer is E.

Question 5

5.    The structure that connects a kidney to the urinary bladder is the
    A.   Ureter.
    B.   Urethra.
    C.   Renal pelvis.
    D.   Collecting duct.

Answer 5

5. The correct answer is A.

Question 6

6.    What portion of the nephron extends into the medulla?
    A.   Nephron loop.
    B.   Proximal convoluted tubule.
    C.   Distal convoluted tubule.
    D.   Papillary duct.

Answer 6

6. The correct answer is A.

Question 7

7.    The functional unit of the kidney is called a
     A.   Glomerulus.
    B.   Nephron.
    C.   Corpuscle.
    D.   Calyx.

Answer 7

7. The correct answer is B.

Question 8

8. Which of the following statements concerning the kidneys is false?
   A. They are retroperitoneal.
   B. They each contain 8 to 15 renal pyramids.
   C. They each have a distinct renal cortex and renal medulla region.
   D. They are positioned between the third and fifth lumbar.

Answer 8

8. The correct answer is D.

Question 9

9. Which of the following is the correct sequence in which urine flows through the kidney toward the urinary bladder?
   A. Renal pelvis, major calyx, minor calyx, papillary duct, ureter.
   B. Papillary duct, minor calyx, major calyx, renal pelvis, ureter.
   C. Minor calyx, major calyx, papillary duct, renal pelvis, ureter.
   D. Papillary duct, major calyx, minor calyx, ureter, renal pelvis.

Answer 9

9. The correct answer is B.

Question 10

10.Which of the following statements concerning the ureters is false?
A. The mucosa of each ureter is composed of transitional epithelium.
B. They are composed of three tunics.
C. Muscular peristaltic waves move urine through the ureters.
D. They are located within the peritoneal cavity.

Answer 10

10.The correct answer is D.

Question 11

11.The micturition reflex center is located in the:
A. kidney.
B. cerebrum.
C. sacral segment of the spinal cord.
D. urinary bladder.
E. hypothalamus.

Answer 11

11.The correct answer is C.

Question 12

12.All of the following statements are True related to the urethra of a male except:
A. It serves both the urinary and reproductive systems.
B. It contains a single urethral sphincter near the neck of the urinary bladder.
C. It receives secretions from the bulbourethral glands.
D. It consists of three distinct regions.
E. It is approximately 20 cm long in an adult.

Answer 12

12.The correct answer is B.

Question 13

13.Which of the following is the proper sequence of structures in the nephron?
A. Glomerulus, proximal convoluted tubule, distal convoluted tubule, nephron loop.
B. Glomerulus, nephron loop, proximal convoluted tubule, distal convoluted tubule.
C. Glomerulus, proximal convoluted tubule, nephron loop, distal convoluted tubule.
D. Proximal convoluted tubule, glomerulus, nephron loop, distal convoluted tubule.

Answer 13

13.The correct answer is D.

Question 14

14.Fibrous connective tissue that surrounds each kidney is the:
    A.   Cortex.
    B.   Hilum.
    C.   Medulla.
    D.   Renal capsule.
    E.   Renal pyramids.

Answer 14

14.The correct answer is C.

Question 15

15.The apex of the renal pyramid is called the:
   A.   Major calyx.
   B.   Minor calyx
   C.   Renal papilla.
   D.   Renal pelvis.
   E.   Ureter.

Answer 15

15.The correct answer is B.

Question 16

16.The tuft of capillaries in the renal corpuscle is called the
   A.   Podocytes.
   B.   Glomerulus.
   C.   Calyx.
   D.   Renal pyramid.
   E.   Renal sinus.

Answer 16

16.The correct answer is A.

Question 17

17.The location of the kidneys in relationship to the peritoneal lining of the abdominal cavity is referre to as
   A.   Retroperitoneal.
   B.   Retroabdominal.
   C.   Posterior.
   D.   Dorsal.

Answer 17

17.The correct answer is D.

Question 18

18.The triangular area of the urinary bladder between the two ureters posteriorly and the urethra anteriorly is the
   A.   External urinary sphincter.
   B.   Internal urinary sphincter.
   C.   Smooth muscle.
   D.   Transitional epithelium.
   E.   Trigone.

Answer 18

18.The correct answer is A.