urinary system

• Which of the following is an excretory waste?

  All of the above
• Urea is a by-product of the metabolism of

  Amino acids
• Creatinine is a metabolic product produced in

  Muscles
• The breakdown of nucleotides produces

  Uric acid
• Urochrome comes from the metabolism of ____________ in the liver

  Hemoglobin
• Which of the following is NOT a homeostatic function of the kidneys?

  Elimination of digestive wastes
• Which of the following is a function of the urinary system?

  All of the above
• Which of the following is a nitrogenous waste?

  All of the above
• Increased salt content of the blood will lead to ________ blood volume.

  Increased
• The kidneys aid in maintaining blood pressure by

  All of the above
• The kidneys maintain acid-base balance by mainly excreting ___________ and reabsorbing _________.

  Hydrogen, bicarbonate
• When the kidney's own blood supply decreases, they release ___________ which leads to secretion of aldosterone from the adrenal cortex

  Renin
• When the oxygen-carrying capacity of the blood is low, the kidneys release ___________ which will cause an increase in red blood cell production.

  Erythropoietin
• Where are the kidneys located?

  Dorsal region of the thorax
• The kidneys are retroperitoneal. What does that mean?

  They are behind the parietal peritoneum
• Which of the following carries urine from the kidneys to the urinary bladder?

  Ureters
• The function of the urinary bladder is to


  Store urine until it is expelled
• The three openings of the bladder form the

  Trigone
• What muscle makes up the wall of the urinary bladder?

  Detrusor muscle
• What anatomical features allow for the expansion of the urinary bladder as it fills with urine?

  Rugae and transitional epithelium
• Which of the following extends from the urinary bladder to an external opening?

  Urethra
• In which gender is the urethra part of the reproductive system?

  Male
• In which gender is the urethra or shorter?

  Female
• Another name for urination is.

  Micturition
• Micturition involves both _________ and ____________ nerve impulses.

  Somatic and parasympathetic
• Which of the following is NOT a region of the kidney?

  Renal fascia
• The functional unit of the kidney that produces urine is the

  Nephron
• Which of the following is NOT part of the nephron's blood supply

  Renal artery
• Which of the following is part of the nephron?

  All of the above
• What is the capillary network that is part of the renal corpuscle

  Glomerulus
• What blood vessel leads to the glomerulus?

  Afferent arteriole
• The efferent arterial takes blood to the

  Renal vein
• Which of the following structures is NOT found in the renal cortex?

  Loop of Henle
• Which of the following structures is found in the renal medulla?

  Loop of Henle
• Place the parts of the nephron in the correct order.

  Glomerular capsule, proximal convoluted tubule, loop of Henle, distal convoluted tubule, collecting duct
• Which of the following correctly describes the process of glomerular filtration?

  Water, nitrogenous wastes, nutrients, and ions are pushed out of the glomerulus into the glomerular capsule.
• The function of the proximal convoluted tubule is to


  Return water and needed nutrients to the blood
• What processes are used by the cells of the proximal convoluted tubule to turn water and needed nutrients to the blood?

  All of the above
• The process of that moves substances from the blood into the kidney tubules to become part of the urine is

  Glomerular filtration
• Which structure is NOT important for the reabsorption of water

  Glomerular capsule