Answer the following statements true (T) or false (F)
1. The terms energy level and electron orbital are interchangeable.
2. Elements are pure substances.
3. The terms molecule and compound are interchangeable.
4. A formula of a compound tells you the number and types of elements that make up that compound.
5. The elements sodium, oxygen, hydrogen, and nitrogen make up 96% of the human body.
1. FALSE
2. TRUE
3. FALSE
4. TRUE
5. FALSE
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The hemoglobin found in erythrocytes is able to chemically attach to
A. nitrogen. B. oxygen. C. carbon dioxide. D. oxygen, carbon dioxide, and nitrogen. E. both oxygen and carbon dioxide.
Which statement accurately compares the hand and the foot?
A. The hand and the foot each have 14 phalanges. B. The hand and the foot each have 15 phalanges. C. Each hand has 14 phalanges, but each foot has 15 phalanges. D. Each hand has 15 phalanges, but each foot has 14 phalanges.
A substance received or given off by your body will likely pass through which tissue type?
A) muscle tissue B) epithelial tissue C) nervous tissue D) connective tissue
Which of the following is a nitrogenous waste product produced from nucleic acid breakdown in the liver?
A. Uric acid B. Urea C. Deoxyribose D. Creatinine