By ExamNavigator - By ExamNavigator BIOD 152 Module 7 - Problem Se...

BIOD 152 Module 7 - Problem Set

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BIOD 152 Module 7 - Problem Set

• The urinary system has kidneys, ureters, and

bladder.

Answer: 2; 2; 1

• Describe the shape, weight and location of the adult kidney.

Answer: An adult kidney is bean-shaped, about the size of a can of soup and weighs about 5 ounces. The right kidney lies slightly lower than the left because of the liver's location just above it. Both kidneys are mostly protected by the rib cage because of their location between the T-12 and L-3 vertebra.

• The glands are located on top of each kidney.

Answer: Adrenal glands

• Describe the three layers of protective tissue that surround the kidney.

Answer: The kidney surface is protected by three layers of specialized tissue. The renal capsule is a tough fibrous outer skin of the kidney which protects it from injury and infection. Outside of the renal capsule is a fatty layer that protects the kidney from trauma called the adipose capsule. The outer renal fascia is dense fibrous connective tissue which keeps the kidney in place inside the abdominal cavity.

• A vertical cross section shows what three regions inside the kidney?

Answer: The cortex, the medulla, and the pelvis.

• The is a continuous outer region with several cortical columns

Answer: Renal cortex

• The renal medulla is divided into sections called .

Answer: Pyramids

• Describe the renal pelvis.

Answer: The renal pelvis constitutes a funnel-shaped tube that connects to the ureter as it leaves the hilus.

• Trace the flow of blood through the vessels of the kidney from renal artery into the

glomerulus and back to the renal vein.Answer: (1) Renal artery, (2) Segmental artery, (3) Lobar artery, (4) Interlobar artery, (5) Arcuate artery, (6) Interlobular artery, (7) Afferent arteriole, (8) Glomerular capillaries, (9) Efferent arteriole, (10) Peritubular or Vasa recta capillaries, (11) Interlobular vein, (12) Arcuate vein, (13) Interlobar vein, (14) Renal vein

• Input from the adjusts the diameter of the renal arteries thereby

regulating renal blood flow.

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