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Essential Biochemistry - Water Metabolism (Section 2)

1
Which of the following is involved in regulating water balance?
Answer
A
B
C
2
What is the role of the kidneys in the regulation of water and electrolyte balance?
Answer
A
B
D
3
Metabolic water is:
Answer
(C)
Water derived from metabolism
4
What is the primary stimulus for the release of ADH?
Answer
(C)
Increased plasma osmolality
5
Which of the following can cause overhydration?
Answer
A
B
6
Which of the following would lead to an increase in ADH secretion?
Answer
A
B
7
Which of the following is NOT a route of water output?
Answer
(D)
Pancreas
8
Source of daily output of water is:
Answer
(D)
All of the above
9
What is the primary effect of aldosterone?
Answer
(C)
Reabsorption of sodium
10
What is the approximate water content of the body in a normal adult?
Answer
(C)
60-70%
11
What is the main anion in extracellular fluid?
Answer
(A)
Chloride
12
Which hormone is secreted by the right atrium of the heart?
Answer
(B)
ANP
13
Main cation of ICF is:
Answer
(B)
K+
14
The ECF is primarily composed of:
Answer
(B)
Plasma and interstitial fluid
15
In ICF, main cation is:
Answer
(B)
K+
16
What are the main causes of dehydration?
Answer
A
B
D
17
Which of the following has least water content?
Answer
(D)
Adipose tissue
18
Which compartment contains the most water in the body?
Answer
(C)
Intracellular fluid
19
Chief anion of ECF is:
Answer
(A)
Cl-
20
Which of the following has greatest water content?
Answer
(B)
Brain
21
Which of the following are symptoms of dehydration?
Answer
A
B
D
22
What is the normal range of daily water intake for an adult?
Answer
(C)
1200-2500 mL
23
Which of the following hormones affects fluid and electrolyte balance?
Answer
(D)
Aldosterone
24
What does ADH mainly do?
Answer
(D)
Increase water reabsorption in the kidneys
25
Main anions of ICF is:
Answer
(C)
HPO4--
26
Osmolarity or osmolality is a measure of:
Answer
(A)
Solute particles in fluid
27
In dehydration, there is:
Answer
(A)
Increased ECW osmolality
28
Which of the following are symptoms of overhydration?
Answer
A
B
C
29
What is the primary regulator of oral water intake?
Answer
(C)
The thirst center in the hypothalamus
30
Which of the following is a sign of overhydration (water intoxication)?
Answer
(C)
Hyponatremia (low sodium)