Pax RN Science Test

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

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

The first American to win a Nobel Prize was ______ for measuring the speed of light?

Albert Michelson

Hardening of the arteries is known as?

Arteriosclerosis

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 vessels.

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

C.Transport

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.

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

D. Particles

What anatomical structure connects the stomach and the mouth?

Esophagus

What is considered a model for enzyme action?

Lock and Key model

Cholesterol that is known as (LDL) stands for?

Low-density lipoproteins

Which cellular organelle contains enzymes that are considered digestive?

Lysosomes

When the chromosomes line up in mitosis this is known as which phase?

Metaphase

Organs repair themselves through a process of?

Mitosis

High frequency sound waves are known as?

Overtones

Breathing properly requires the presence of what compound that affects surface tension of alveoli in the lungs?

Surfactant

The top number on a blood pressure reading indicates?

Systolic pressure

Liquids that evaporate quickly are known as _____ liquids.

Volatile