NSC 170 - Exam # 3
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1. Which organ of the body regulates thirst? Hypothalamus
2. What condition of solution causes cells to burst (cytol- Hypotonic
ysis)?
3. List the physiological events that lead to thirst in or- 3,1,2,5,4
der:
1. Hormonal and neural messages are relayed to the
hypothalamus
2. Fluids are consumed
4. Neural signals are sent to the brain and the thirst
mechanism is shut off
3. Receptor proteins detect decreased fluid volume or
increased sodium concentration in the blood 5. Re-
ceptors in the mouth and stomach detect mechanical
movements of fluid ingestion
4. About how much water is produced by the tissues 300 mL
everyday through metabolic processes?
5. How much of the daily intake of water come from solid 20%
foods (presumably)?
6. Bottled water has more nutrients than tap water. False
7. When cells have a higher concentration of electrolytes out of the cell
outside the cell compared to inside, water will flow
8. TRUE or FALSE: Sodium follows water. False
9.
1/6
, NSC 170 - Exam # 3
Study online at https://quizlet.com/_e53847
What is the driving force behind water movement Higher solute concentra-
through a semi-permeable membrane? tion on the other side
10. Muscle tissue holds more water than fat tissue. True
11. According to the IOM, the Adequate Intake of water for 11 cups
adult females is:
12. All of the following statements are true, EXCEPT: Excess chloride in the
blood is common
- Chloride regulates fluid secretion.
- Chloride anions is used to remove CO2 by red blood
cells.
- Chloride is needed for acid-base balance.
- Excess chloride in the blood is common.
13. Which of the following vitamins stimulates the absorp- Vitamin D
tion of calcium and phosphorus?
14. Substances that protect cells from being damaged by antioxidants
harmful environmental and internal factors are called:
15. What is the primary function of vitamin D? Protection against free
radicals
16. Vitamin _________ cholesterol. acts as an antioxidant E
and may play a role in lowering LDL (bad)
17. TRUE or FALSE: Because vitamin A is a fat-soluble vita- False
min, toxicity is common.
18. What is a function of biotin?
2/6
Study online at https://quizlet.com/_e53847
1. Which organ of the body regulates thirst? Hypothalamus
2. What condition of solution causes cells to burst (cytol- Hypotonic
ysis)?
3. List the physiological events that lead to thirst in or- 3,1,2,5,4
der:
1. Hormonal and neural messages are relayed to the
hypothalamus
2. Fluids are consumed
4. Neural signals are sent to the brain and the thirst
mechanism is shut off
3. Receptor proteins detect decreased fluid volume or
increased sodium concentration in the blood 5. Re-
ceptors in the mouth and stomach detect mechanical
movements of fluid ingestion
4. About how much water is produced by the tissues 300 mL
everyday through metabolic processes?
5. How much of the daily intake of water come from solid 20%
foods (presumably)?
6. Bottled water has more nutrients than tap water. False
7. When cells have a higher concentration of electrolytes out of the cell
outside the cell compared to inside, water will flow
8. TRUE or FALSE: Sodium follows water. False
9.
1/6
, NSC 170 - Exam # 3
Study online at https://quizlet.com/_e53847
What is the driving force behind water movement Higher solute concentra-
through a semi-permeable membrane? tion on the other side
10. Muscle tissue holds more water than fat tissue. True
11. According to the IOM, the Adequate Intake of water for 11 cups
adult females is:
12. All of the following statements are true, EXCEPT: Excess chloride in the
blood is common
- Chloride regulates fluid secretion.
- Chloride anions is used to remove CO2 by red blood
cells.
- Chloride is needed for acid-base balance.
- Excess chloride in the blood is common.
13. Which of the following vitamins stimulates the absorp- Vitamin D
tion of calcium and phosphorus?
14. Substances that protect cells from being damaged by antioxidants
harmful environmental and internal factors are called:
15. What is the primary function of vitamin D? Protection against free
radicals
16. Vitamin _________ cholesterol. acts as an antioxidant E
and may play a role in lowering LDL (bad)
17. TRUE or FALSE: Because vitamin A is a fat-soluble vita- False
min, toxicity is common.
18. What is a function of biotin?
2/6
