Weekly Review 14

• proximal convoluted tubule


  site of reabsorption of glucose
• filtrate in the nephron tubule is equivalent to

  plasma without the proteins
• micturition is triggered by ________ and leads to __________

  bladder stretch; urine removal from the body via urethra
• The renal plasma clearance for substance Y is typically found to be zero. Once the plasma concentration of substance Y exceeds its transport maximum (Tm) for reabsorption in the nephron, ______________


  substance Y will appear in the urine
• The myenteric plexus is found in which of the following tissue layers of the GI wall?

  muscularis externa
• what describes the role of the epiglottis during deglutition?

  it prevents food from entering the airways
• Peristalsis differs from segmentation in that:


  Peristalsis propels chyme through the small intestine while segmentation mixes the chyme
• haustral sacs are located in the

  large intestine
• Which blood vessel brings absorbed nutrients from the small intestine to the liver?

  the hepatic portal vein
• Which of the following does NOT occur to glucose during the absorptive or post-absorptive states?

  Conversion of excess glucose to proteins when starving 
• Which of the following would stimulate insulin secretion?

  an increase in plasma amino acids
• Which of the following is NOT a potential consequence of diabetes mellitus?

  decrease in filtrate osmolarity