Aldosterone is a hormone that causes the renal tubules to reclaim sodium ions from the filtrate.
Indicate whether the statement is true or false
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Question 2) Place the following in correct sequence from the formation of a drop of urine to its elimination from the body.
1. major calyx
2. minor calyx
3. nephron
4. urethra
5. ureter
6. collecting duct
A) 6, 3, 2, 1, 5, 4
B) 3, 6, 2, 1, 5, 4
C) 3, 1, 2, 6, 5, 4
D) 2, 1, 3, 6, 5, 4
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Question 3) Several hours after your last meal, declining blood glucose levels stimulate release of the hormone ________, which stimulates glycogenolysis, lipolysis and fat mobilization, and gluconeogenesis.
A) glucagon
B) thyroxine
C) cortisol
D) insulin
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Question 4) Angiotensin II is a substance made by the body to lower blood pressure during stress.
Indicate whether the statement is true or false
(
Question 5) The primary function of carbohydrates is energy production within cells.
Indicate whether the statement is true or false
(
Question 6) An important characteristic of urine is its specific gravity or density, which is ________.
A) less than water
B) much higher than water
C) the same as water
D) slightly higher than water
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Question 7) The urethra contains an internal sphincter of smooth muscle.
Indicate whether the statement is true or false
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Question 8) Peptides called NPY (neuropeptide Y) and AgRP (agouti-related peptides) are powerful appetite enhancers.
Indicate whether the statement is true or false
(
Question 9) Which term describes the action of an endurance runner the night before the race as she carbo-loads when eating a large pasta dinner?
A) glycogenesis
B) glycogenolysis
C) glycolysis
D) gluconeogenesis
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Question 10) In India, rice is a large part of the diet. Lack of which vitamin in rice would lead to higher levels of blindness in this population?
A) vitamin A
B) vitamin E
C) vitamin C
D) vitamin D
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