Filters
Question type
Study Flashcards

Which of the following blood pressures is considered prehypertension?


A) 130 mm Hg over 85 mm Hg
B) 118 mm Hg over 82 mg Hg
C) 142 mm Hg over 95 mm Hg
D) 145 mm Hg over 105 mm Hg

Correct Answer

verifed

verified

Bone health is easily determined by a measurement of blood calcium level.

Correct Answer

verifed

verified

When blood osmolality increases,___________ is released by the posterior pituitary and acts on the kidney to increase water retention.


A) antidiuretic hormone
B) renin
C) angiotensin II
D) insulin

Correct Answer

verifed

verified

About 73% of lean muscle tissue is


A) protein.
B) water.
C) calcium.
D) sodium.

Correct Answer

verifed

verified

The AI recommendation for total water intake is


A) 1 liter per kcal expended.
B) 12.4 liters per day.
C) 8 cups per day.
D) 15 cups for adult males and 11 cups for adult females.

Correct Answer

verifed

verified

As dehydration progresses and blood volume decreases,blood pressure will ______ and heart rate will _______.


A) increase; increase
B) remain the same; decrease
C) decrease; decrease
D) decrease; increase

Correct Answer

verifed

verified

Most of our dietary chloride comes from


A) fresh fruits.
B) vegetables.
C) meat.
D) seed oils.
E) table salt.

Correct Answer

verifed

verified

Measuring blood calcium levels is not an accurate indicator of total body calcium because


A) calcium in the blood reflects only the most recent dietary intake of calcium.
B) there are no reliable tests for measuring blood calcium.
C) blood calcium levels vary according to the intake of other positive ions (e.g.,sodium,potassium,and magnesium) .
D) blood calcium levels are strictly controlled by hormones and do not reflect total body stores.

Correct Answer

verifed

verified

Which of the following about water is NOT true?


A) Each water molecule forms a maximum of 2 hydrogen bonds.
B) Water is incompressible,so it functions well as a lubricant.
C) Water is formed in the body when protein,carbohydrate,and fat are oxidized.
D) Water in the body helps resist body temperature change.

Correct Answer

verifed

verified

Assuming that milk is the only source of dietary calcium,how much milk must an adolescent drink every day to meet the RDA for calcium?


A) 2 cups
B) 3 cups
C) 4 cups
D) 5 cups

Correct Answer

verifed

verified

An ample intake of potassium-rich foods may help protect against


A) hypertension.
B) osteoporosis.
C) gastric ulcers.
D) diabetes.

Correct Answer

verifed

verified

________ replacement after menopause greatly reduces bone loss in women.


A) Calcium
B) Calcitriol
C) Estrogen
D) Calcitonin

Correct Answer

verifed

verified

Chloride is


A) the main anion in extracellular fluid.
B) an intracellular fluid ion.
C) a positively charged ion.
D) converted to chlorine in the intestinal tract.

Correct Answer

verifed

verified

Aldosterone


A) is a pituitary hormone that decreases water excretion.
B) is minerals deposited into bone that give strength and rigidity.
C) is an adrenal hormone that increases sodium reabsorption in the kidney.
D) is a protein-calcium complex that influences enzyme activity in cells.
E) is an enzyme in kidneys formed in response to low blood pressure.

Correct Answer

verifed

verified

A positively charged ion located in the intracellular fluid is


A) sodium.
B) potassium.
C) phosphate.
D) chloride.

Correct Answer

verifed

verified

Magnesium deficiency is most often caused by


A) excessive intakes of sodium and potassium.
B) low dietary intake of magnesium.
C) GI disorders that cause prolonged diarrhea or vomiting.
D) osteopenia or osteoporosis.

Correct Answer

verifed

verified

What will be the effect of an increase of calcitonin?


A) Osteoblast activity will increase,resulting in an increase in blood calcium.
B) Osteoclast activity will increase,resulting in an increase in blood calcium.
C) Osteoblast activity will increase,resulting in a decrease in blood calcium.
D) Osteoclast activity will increase,resulting in a decrease in blood calcium.

Correct Answer

verifed

verified

The sodium-potassium pump uses energy to move


A) potassium ions out of the cell.
B) sodium ions out of the cell.
C) water out of the cell.
D) water into the cell.

Correct Answer

verifed

verified

The very dense outer surface of bone is called


A) osteoclastic bone.
B) osteoblastic bone.
C) trabecular bone.
D) cortical bone.

Correct Answer

verifed

verified

Urea is a major body waste from


A) the catabolism of amino acids.
B) the action of the sodium-potassium pump.
C) intracellular fluid.
D) the excretion of minerals by the kidney.

Correct Answer

verifed

verified

Showing 41 - 60 of 97

Related Exams

Exam 1

The Science of Nutrition

97 Questions

Exam 2

Tools of a Healthy Diet

54 Questions

Exam 3

The Food Supply

74 Questions

Exam 4

Human Digestion and Absorption

84 Questions

Exam 5

Carbohydrates

88 Questions

Exam 6

Lipids

67 Questions

Exam 7

Proteins

82 Questions

Exam 8

Alcohol

54 Questions

Exam 9

Energy Metabolism

70 Questions

Exam 10

Energy Balance, weight Control, and Eating Disorders

87 Questions

Exam 11

Nutrition, exercise and Sports

69 Questions

Exam 12

The Fat-Soluble Vitamins

69 Questions

Exam 13

The Water-Soluble Vitamins

95 Questions

Exam 15

Trace Minerals

81 Questions

Exam 16

Nutritional Aspects of Pregnancy and Breastfeeding

88 Questions

Exam 17

Nutrition During the Growing Years

106 Questions

Exam 18

Nutrition During the Adult Years

56 Questions

Show Answer