FA3

Question 1

What is the smallest unit of an element?

Answer 1

Atom

Question 2

What are the three main subatomic particles?

Answer 2

Protons, neutrons, and electrons

Question 3

What is the atomic number of an element?

Answer 3

The number of protons in the nucleus of an atom

Question 4

True or False: The atomic mass is the total number of protons and neutrons in an atom.

Answer 4

True

Question 5

What is a molecule?

Answer 5

A group of two or more atoms bonded together

Question 6

What is the main difference between an atom and a molecule?

Answer 6

An atom is a single unit, while a molecule is a group of atoms bonded together.

Question 7

True or False: All elements have the same number of protons and electrons.

Answer 7

True

Question 8

What is the periodic table?

Answer 8

A tabular arrangement of elements based on their atomic number and properties.

Question 9

What are groups in the periodic table?

Answer 9

Vertical columns that contain elements with similar properties.

Question 10

What are periods in the periodic table?

Answer 10

Horizontal rows that indicate the number of electron shells.

Question 11

What is the primary function of the respiratory system?

Answer 11

To facilitate gas exchange, providing oxygen to the body and removing carbon dioxide.

Question 12

True or False: The diaphragm is a muscle that plays a key role in breathing.

Answer 12

True

Question 13

Fill in the blank: The __________ are the main organs of the respiratory system.

Answer 13

lungs

Question 14

Which part of the respiratory system is responsible for the exchange of gases?

Answer 14

Alveoli

Question 15

Multiple Choice: Which of the following is NOT a part of the respiratory system? A) Trachea B) Esophagus C) Bronchi

Answer 15

B) Esophagus

Question 16

What is the name of the tube that carries air from the throat to the lungs?

Answer 16

Trachea

Question 17

What is the role of cilia in the respiratory system?

Answer 17

To trap and move particles out of the airways.

Question 18

Fill in the blank: The exchange of oxygen and carbon dioxide occurs in the __________.

Answer 18

alveoli

Question 19

What is the main function of the circulatory system?

Answer 19

To transport oxygen, nutrients, and waste products throughout the body.

Question 20

True or False: The heart is a muscle that pumps blood.

Answer 20

True

Question 21

Fill in the blank: The circulatory system consists of the heart, blood vessels, and _____.

Answer 21

blood

Question 22

What are the three types of blood vessels?

Answer 22

Arteries, veins, and capillaries.

Question 23

Which type of blood vessel carries blood away from the heart?

Answer 23

Arteries

Question 24

What is the role of capillaries in the circulatory system?

Answer 24

To facilitate the exchange of oxygen, carbon dioxide, nutrients, and waste between blood and tissues.

Question 25

Multiple Choice: Which component of blood is responsible for carrying oxygen?

Answer 25

Red blood cells

Question 26

What is the largest artery in the human body?

Answer 26

Aorta

Question 27

True or False: Veins have thicker walls than arteries.

Answer 27

False

Question 28

What is the function of the valves in the heart?

Answer 28

To prevent the backflow of blood.

Question 29

What is the primary function of the heart?

Answer 29

To pump blood throughout the body.

Question 30

True or False: The heart has four chambers.

Answer 30

True.

Question 31

Fill in the blank: The two upper chambers of the heart are called the ______.

Answer 31

atria.

Question 32

What is the name of the valve that separates the left atrium and left ventricle?

Answer 32

Mitral valve.

Question 33

Multiple Choice: Which blood vessel carries oxygenated blood away from the heart? A) Veins B) Arteries C) Capillaries

Answer 33

B) Arteries.

Question 35

What is the primary function of red blood cells?

Answer 35

To transport oxygen from the lungs to the body's tissues.

Question 36

True or False: Arteries carry blood away from the heart.

Answer 36

True

Question 37

Fill in the blank: The liquid component of blood is called _______.

Answer 37

plasma

Question 38

Which type of blood vessel is responsible for nutrient and gas exchange?

Answer 38

Capillaries

Question 39

Multiple Choice: Which of the following has the thickest walls? A) Veins B) Arteries C) Capillaries

Answer 39

B) Arteries

Question 40

What are the three main types of blood vessels in the human body?

Answer 40

Arteries, veins, and capillaries.

Question 41

True or False: Arteries carry blood away from the heart.

Answer 41

True.

Question 42

Fill in the blank: __________ are the smallest blood vessels where gas and nutrient exchange occurs.

Answer 42

Capillaries.

Question 43

Which type of blood vessel has the thickest walls?

Answer 43

Arteries.

Question 44

Multiple Choice: Which blood vessel type typically carries deoxygenated blood back to the heart? A) Arteries B) Veins C) Capillaries

Answer 44

B) Veins.

Question 45

What is the primary substance in cigarettes that causes addiction?

Answer 45

Nicotine

Question 46

True or False: Tar is a sticky substance that accumulates in the lungs of smokers.

Answer 46

True

Question 47

Fill in the blank: Smoking is a major cause of __________ cancer.

Answer 47

lung

Question 48

What gas produced by smoking can reduce oxygen delivery to the body's tissues?

Answer 48

Carbon monoxide

Question 49

Name one chronic disease caused by smoking.

Answer 49

Chronic obstructive pulmonary disease (COPD)

Question 50

Multiple choice: Which of the following is NOT a disease commonly associated with smoking? A) Heart disease B) Diabetes C) Asthma D) Lung cancer

Answer 50

B) Diabetes

Question 51

What is the effect of nicotine on the cardiovascular system?

Answer 51

It increases heart rate and blood pressure.

Question 52

True or False: Tar is responsible for the flavor of tobacco products.

Answer 52

False

Question 53

Fill in the blank: The presence of __________ in smoke can lead to respiratory issues.

Answer 53

tar

Question 54

What harmful effect does carbon monoxide have on the body?

Answer 54

It binds to hemoglobin, reducing oxygen transport in the blood.

Question 55

Multiple choice: Which component of cigarette smoke is primarily responsible for lung irritation? A) Nicotine B) Tar C) Carbon monoxide D) Acrolein

Answer 55

B) Tar

Question 56

What is the relationship between smoking and immune function?

Answer 56

Smoking weakens the immune system.

Question 57

True or False: Quitting smoking can reduce the risk of developing smoking-related diseases.

Answer 57

True

Question 58

Name two components of cigarette smoke that are harmful to health.

Answer 58

Tar and nicotine

Question 59

Fill in the blank: __________ is a component of tobacco smoke that can cause addiction.

Answer 59

Nicotine

Question 60

What is passive smoking?

Answer 60

Passive smoking is the inhalation of smoke by non-smokers who are near active smokers.

Question 61

True or False: Passive smoking can cause health problems similar to those experienced by smokers.

Answer 61

True

Question 62

Fill in the blank: Exposure to passive smoking increases the risk of __________ in children.

Answer 62

asthma

Question 63

What are two common health effects of passive smoking on adults?

Answer 63

Heart disease and lung cancer.

Question 64

Multiple Choice: Which group is particularly vulnerable to the effects of passive smoking? A) Adults B) Infants C) Teenagers

Answer 64

B) Infants