Science 1

16. Which of the following is described in the definition: An object immersed in a fluid is buoyed up by a force equal to the weight of the fluid displaced by the object? A. Archimedes' principle B. Charles' law C. Boyle's law D. Anderson's principle

A. Archimedes' principle

8. Hardening of the arteries is known as: A. Atheriosclerosis B. Venous narrowing C. Micro-circulation D. Hypertension

A. Atheriosclerosis

4. Which of the following is considered a model for enzyme action? A. Lock and Key model B. Enzyme interaction model C. Transformation model D. Transcription model

A. Lock and Key Model

7. Cholesterol that is known as (LDL) stands for: A. Low-density lipoproteins B. Low-density lysosomes C. Level-density lipoproteins D. Level-density lysosomes

A. Low-density lipoproteins

14. Which of the following formulas indicate the ideal gas law? A. PV= knT or PV=RnT B. V=kT C. PV = k D. KTV =PR

A. PV=knT or PV=RnT

19. The first American to win a Nobel Prize was ______ for measuring the speed of light. A. Albert Einstein B. Albert Michelson C. Grimaldi D. Thomas Young

B. Albert Michelson

2. Which cellular organelle contains enzymes that are considered digestive? A. Golgi Apparatus B. Lysosomes C. Nucleus D. Ribosomes

B. Lysosomes

3. Organs repair themselves through a process of? A. Meiosis B. Mitosis C. Cellular differentiation D. Transformation

B. Mitosis

18. High frequency sound waves are known as: A. Fundamental waves B. Overtones C. Consonance waves D. Dissonance waves

B. Overtones

6. Which of the following statements about prostaglandins is not true? A. Prostaglandins promote inflammation. B. Prostaglandins can only constrict blood vessels. C. Prostaglandins are made in the renal medulla. D. Prostaglandins can lead to pain and fever.

B. Prostaglandins can only constrict blood vesseles

17. Liquids that evaporate quickly are known as _____ liquids. A. Viscous B. Volatile C. Evaporative D. Transient

B. Volatile

10. Litmus paper that is blue will turn/stay _____ in the presence of a strong base. A. Orange B. Red C. Blue D. Green

C. Blue

1. When the chromosomes line up in mitosis this is known as which phase? A. Telophase B. Anaphase C. Metaphase D. Prophase

C. Metaphase

11. Breathing properly requires the presence of what compound that affects surface tension of alveoli in the lungs? A. Potassium B. Plasma C. Surfactant D. Sodium Chloride

C. Surfactant

12. Which of the following is not considered a function of the kidneys? A. Secretion B. Reabsorption C. Transport D. Filtration

C. Transport

5. Which of the following statements about enzymes is not true? A. Enzymes are catalysts. B. Almost all enzymes are proteins. C. Enzymes operate most efficiently at optimum pH. D. Enzymes are destroyed during chemical reactions.

D. Enzymes are destroyed during chemical reactions

20. What anatomical structure connects the stomach and the mouth? A. Trachea B. Spinal column C. Hepatic duct D. Esophagus

D. Esophagus

13. The functional unit of the kidney is known as? A. Medulla B. Glomerulus C. Pyramid D. Nephron

D. Nephron

15. Which of the following is not considered a characteristic or property of a gas? A. Volume B. Mass C. Pressure D. Particles

D. Particles

9. The top number on a blood pressure reading indicates: A. Diastolic pressure B. Transient pressure C. Optimum pressure D. Systolic pressure

D. Systolic Pressure