BIOS 256 week 4 review

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BIOS 256 week 4 review

• list all the organs that compose the urinary system

–Answer

• 2 kidneys
• 2 ureters
• 1 urinary bladder
• 1 urthrea
• functions of urethra

–Answer

• exits or waste and urine
• functions of ureter

–Answer

• delivers urine to the bladder from kidneys
• functions of urinary bladder

–Answer

• storage for urine
• functions of kidney

–Answer

• filter blood and excrete toxic metabolic waste
• regulate blood volume, pressure, and osmolarity
• regulate electrolytes and acid-base balance
• secrete erythropoietin (stimulates production of RBCs)
• regulate calcium levels
• clear hormones from blood
• detoxify free radicals
• synthesize glucose (during starvation)
• renal corpuscle

–Answer

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• glomerulus

–Answer A

• proximal convoluted tubule

–Answer

• nephron loop

–Answer

• distal convoluted tubule

–Answer

• collecting duct

–Answer

• what structure is not considered part of a nephron

–Answer

• collecting duct
• why is PCT named proximal

–Answer

• it is closest to the renal corpuscle
• why is DCT named distal

–Answer

• it is furthest from the renal corpuscle
• after the filtrate has left the DCT, where does it go next

–Answer

• collecting duct
• in the kidney, what is considered the basic functional unit

–Answer

• nephron
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