Download EXCRETION AND HOMEOSTASIS Video Review

Name____________________________________
Biology—Mr. Nelson
EXCRETION AND HOMEOSTASIS Video Review
1. What pH is needed in the blood and extracellular fluid of the body?
a. low, in the range of 2 to 3
b. high, in the range of 10 to 12
c. near neutral
d. slightly low, in the range of 4 to 5
2. What organ is most critical to maintaining homeostasis?
a. kidney
b.esophagus
c. bladder
d. large intestine
3. What are nephrons?
a. enzymes that produce urine
b. hormones produced by the kidneys
c. individual filters found in kidneys
d. proteins found in the kidneys
4. What is a glomerulus?
a. a mass of capillaries
b. a set of tubules
c. a mass of nephrons
d. a long, straight absorptive fiber
5. Where does the filtrate from the glomerulus collect?
a. in the glomular complex
b. in the Bowman’s capsule
c. in the lymph nodes
d. in the large intestine
6. By what process does reabsorption of salts, amino acids and glucose occur?
a. diffusion
b. digestion
c. active transport
d. excretion
7. What is regulated by ADH?
a. the amount of enzymes in the kidneys
b. the amount of hormones in the kidneys
c. the amount of fats in the blood
d. the amount of water in the blood
8. Where is ADH produced?
a. hypothalamus
b hippocampus
c. kidneys
d. liver
9. What is the principle of operation for the artificial kidney?
a. reduces blood pressure
b. increases production of enzymes by the kidneys
c. adds protein to the urine
d. diffusion from high concentration to low
10. How is excess water removed from the blood during hemodialysis?
a. by adding enzymes
b. by adding pressure
c. by decreasing the flow rate
d. by adding renal hormones
11. Draw the organs of the excretory system and label each.