Ques: Q: What type of cells make up about one quarter of all white blood cells? Choices: - Fat - erythrocytes - tumors - lymphocytes A:
Ans: lymphocytes

Ques: Q: Particulates from cigarette smoke that enter what structures can cause a permanent reduction in lung capacity? Choices: - chambers - cells - glands - alveoli A:
Ans: alveoli

Ques: Q: What noble gas follows hydrogen on the periodic table? Choices: - nitrogen - oxygen - halogen - helium A:
Ans: helium

Ques: Q: What kind of reaction do you see when the concentration of reactants is higher? Choices: - regular reaction rate - slow reaction rate - constant reaction rate - faster reaction rate A:
Ans:
faster reaction rate