Quiz 4 Flashcards
(19 cards)
Which of the following statements is true about vitamin characteristics?
a. they cannot be stores by the body
b. they help regulate chemical reactions in the body
c. they are inorganic
d. they directly supply energy to the body
B
The process of nerve impulse transmission starts with the flow of ______ ions into the nerve cell.
a. sodium
b. potassium
c. chloride
d. phosphate
A
which of the following is not classified as a B vitamin
a. nacin
b. chlorine
c. biotin
d. riboflavin
B
the two main extracellular ions are
a. chloride and potassium
b. sodium and chloride
c. phosphate and potassium
d. potassium and sodium
B
A nutrient that has been deemed essential but has not been classified as a vitamin is
a. beta-carotene
b. ascorbic acid
c. chlorine
d. resveratrol
C
The ratio of sodium to chloride in table salt is
a. 50:50
b. 60:40
c. 40:6
d. 30:70
C
High dietary intake of ______ is associated with reductions in blood pressure
a. iodine
b. sodium
c. potassium
d. chloride
C
Donna has recently started taking the over-the-counter medication Alli (orlistat) for weight loss. Alli works by limiting fat digestion and absorption. Because she is taking this drug, she is at risk for deficiency of which of the following micronutrients?
a. iron
b. vitamin K
c. vitamin C
d. potassium
B
Arthur’s blood pressure measurement of 148/94 mmHg indicates hypertension.
true
For a healthy individual, a high-salt dietary pattern tends to ______ urinary excretion of sodium.
increases
The pH of a solution is a measurement of the concentration of ______ ions in the solution.
a. phosphate
b. sodium
c. hydrogen
d. chloride
C
The sodium concentration of the blood is primarily regulated by which organ?
kidneys
Reducing dietary intake of sodium will ______ urine production.
a. increase
b. not change
c. decreases
C
Which of the following is true about the intake of vitamins?
a. all vitamins consumed in excess are excreted
b. occasional lapses in vitamin intake should cause no harm
c. supplemental vitamins are better than those from food
d. it is hard to get all the vitamins we need from food
B
The AI for sodium for adults is ______ milligrams per day. Enter a numeric response only.
1500
Which of the following is an example of a trace mineral
a. potassium
b. sodium
c. iron
d. calcium
C
aldosterone signals the kidneys to conserve
a. potassium
b. phosphate
c. chloride
d. sodium
D
Minerals are categorized based on the amount we need per day. Which of the following statements is correct
a. trace minerals are needed in amounts of 10mg per day or less
b. trace minerals are needed in amounts of 100 mg per day or less
c. major minerals are needed in amounts of 200 mg per day or greater
d. major minerals are needed in amounts of 500 mg per day or greater
B
Vitamins A, C, and E work together to
a. maintain the balance between intracellular and extracellular fluid
b. provide strength and stability to bones
c. protect the body from damage by free radicals
d. serve as coenzymes in the chemical reactions of energy metabolism
C
