2F2 Diseases, Control, and Substance Abuse

Question 1

What is the definition of a disease?

Answer 1

An interruption, cessation, or disorder that may affect the whole body or any of its parts, characterized by a recognizable set of physical signs, symptoms, and effects.

The definition of disease can vary slightly in different contexts such as medical, epidemiological, or social, but generally refers to a deviation from normal body function.

Question 2

What are the common causes of diseases?

Answer 2

• Genetic disorders
• Environmental factors
• Infection
• Inflammation
• Deficiency of a vital nutrient

Question 3

What are the two main types of diseases?

Answer 3

• Communicable (infectious) diseases
• Noncommunicable (chronic) diseases

Question 4

How are communicable diseases transmitted?

Answer 4

• Direct physical contact.
• Contaminated surfaces or objects.
• Airborne transmission.
• Bites from insects or animals.

Question 5

What are some examples of communicable diseases?

Answer 5

• HIV/AIDS
• Tuberculosis
• Malaria
• Viral hepatitis
• Influenza
• Sexually transmitted infections

Question 6

What are the consequences of communicable diseases on society?

Answer 6

• They can cause high social and economic burdens.
• They can also pose major risks to international health security, as seen with the COVID-19 pandemic.

Question 7

What characterizes noncommunicable diseases?

Answer 7

They are long-term, non-infectious illnesses caused by a combination of behavioral, physiological, environmental, and genetic factors.

Question 8

What are some common examples of noncommunicable diseases?

Answer 8

• Cardiovascular diseases
• Diabetes
• Cancers
• Chronic respiratory diseases

Question 9

Why are noncommunicable diseases considered a major health issue globally?

Answer 9

• They account for 74% of all global deaths (41 million per year).
• They are influenced by factors such as industrial development and unhealthy lifestyles.

Question 10

How can many noncommunicable diseases be prevented?

Answer 10

By avoiding risk factors like:

• tobacco use
• excessive alcohol consumption
• lack of physical activity
• unhealthy diets

Question 11

What is the leading cause of death among noncommunicable diseases?

Answer 11

Cardiovascular diseases

These accounts for 17.9 million deaths per year.

Question 12

How do communicable and noncommunicable diseases differ in terms of transmission?

Answer 12

• Communicable diseases are contagious and can spread from person to person.
• Noncommunicable diseases are not contagious.

Noncommunicable diseases can still have risk factors that cluster in populations, but they are not directly transmissible from one person to another.

Question 13

What are the main factors that influence the occurrence of noncommunicable diseases?

Answer 13

• Behavioral
• Physiological
• Environmental
• Genetic factors

Question 14

How does the World Health Organization respond to the burden of communicable diseases?

Answer 14

The WHO puts special efforts into ending epidemics and communicable diseases like AIDS, tuberculosis, and malaria.

Question 15

What impact has HIV/AIDS had globally?

Answer 15

It has led to 36.3 million deaths and remains a major global public health issue.

Question 16

What are the metabolic changes that increase vulnerability to noncommunicable diseases?

Answer 16

• Increased blood pressure
• Being overweight/obesity
• Hyperglycemia
• Hyperlipidemia

Question 17

What is the significance of research and innovation in managing noncommunicable diseases?

Answer 17

Improving investments in research and innovation, along with reinforcing primary health care, are crucial for effectively responding to noncommunicable diseases.

Question 18

What do both communicable and noncommunicable diseases have in common?

Answer 18

Both cause significant functional disruption in the body and account for a high proportion of global deaths annually.

Question 19

What are some strategies to reduce the burden of communicable diseases?

Answer 19

• Vaccination.
• Improving hygiene.
• Providing clean water.
• Public health education to prevent transmission.

Question 20

How do communicable diseases impact low-income countries and marginalized populations?

Answer 20

They cause a high proportion of death and disability in these groups, exacerbating health disparities.

Question 21

Describe how a vaccine works.

Answer 21

It introduces a harmless part or weakened form of a pathogen to stimulate the immune system to fight the disease.

Vaccines stimulate the immune system to recognize and combat specific pathogens, preparing the body to fight future infections.

Question 22

What are antiseptics?

Answer 22

Agents that kill most of the microbes on living tissue.

Question 23

What is the function of disinfectants?

Answer 23

Kill most, but not all, microbes on an inanimate object or surface.

Question 24

What is a sterilant?

Answer 24

A substance that kills all living microbes on an inanimate object or surface.

Question 25

Define a vector in the context of disease transmission?

Answer 25

A living agent that harbors and transmits a pathogen to another living being. ## Footnote Vectors can include organisms like mosquitoes, ticks, or snails that transmit pathogens from one host to another.

Question 26

What is **vector control**?

Answer 26

The process of eradicating agents of disease transmission, such as mosquitoes.

Question 27

How can **vector control** be achieved?

Answer 27

* By eliminating breeding grounds, such as stagnant water. * Using chemicals to kill vectors.

Question 28

What is **sanitation** in terms of disease prevention?

Answer 28

* The process of filtering water. * Cleaning sewage. * Neutralizing toxins. * Waste collection to promote public health.

Question 29

Why is sanitation important for public health?

Answer 29

It prevents the spread of disease by cleaning up waste and contaminants that can harm the environment and health.

Question 30

What is **substance abuse**?

Answer 30

The misuse or overuse of substances like prescription drugs, alcohol, or illegal drugs.

Question 31

Define **drug abuse**.

Answer 31

Involves misusing or excessively using over-the-counter or prescription medications beyond their intended purpose.

Question 32

Differentiate substance use from substance abuse.

Answer 32

* **Substance use** involves taking medications as prescribed. * **Substance abuse** includes using them in excess or for non-medical reasons.

Question 33

What is substance use disorder?

Answer 33

Also called as addiction, is a condition where the body becomes dependent on a substance, leading to loss of control over its use. ## Footnote Substance use disorder involves a pattern of harmful substance use leading to clinically significant impairment or distress.

Question 34

What are common substances involved in substance use disorder?

Answer 34

* Alcohol * Cigarettes * Prescription medications * Illegal drugs * Inhalants * Solvents

Question 35

What are some signs of substance abuse?

Answer 35

* Changes in behavior * Neglect of hygiene * Red eyes * Slurred speech * Withdrawal from usual activities

Question 36

What are the causes of substance abuse?

Answer 36

* Genetic vulnerability * Environmental stressors * Social pressures * Individual personality traits * Psychiatric problems

Question 37

How is substance abuse diagnosed?

Answer 37

Based on observed symptoms like physical changes in organs, changes in behavior, and medical tests such as liver enzyme levels.

Question 38

Name some of the possible treatments for substance abuse.

Answer 38

* Detoxification * Psychotherapy * Medications like methadone or lorazepam * Long-term management plans

Question 39

What is **detoxification** in substance abuse treatment?

Answer 39

The process of removing a substance from the body under medical supervision to manage withdrawal symptoms. ## Footnote Detoxification aims to safely manage withdrawal symptoms when someone stops using substances, often the first step in treatment.

Question 40

What role does **psychotherapy** play in treating substance abuse?

Answer 40

It helps identify underlying causes of substance abuse and develop strategies to avoid relapse.

Question 41

What is **behavioural** therapy?

Answer 41

It teaches coping skills, stress management techniques, and healthy habits to support recovery.

Question 42

What are **long-term management plans** in substance abuse treatment?

Answer 42

* Include ongoing therapy, participation in support groups (e.g., Alcoholics Anonymous), and monitoring health. * They aim to prevent relapse, manage health complications, and support sustained recovery.

Question 43

What are the effects of substance abuse on the body?

Answer 43

* Damage to organs * Addiction * Impaired decision-making * Neglect of health * Strained relationships * Potential death

Question 44

How do **genetic factors** contribute to substance abuse?

Answer 44

Genetic predisposition can increase the likelihood of developing substance abuse disorders due to inherited vulnerabilities. ## Footnote Genetic factors can influence susceptibility to addiction by affecting how the body processes substances and experiences reward.

Question 45

What **environmental factors** contribute to substance abuse?

Answer 45

* Stressful environments * Peer influence * Social pressures

Question 46

Why do individuals with **psychiatric** problems often turn to substance abuse?

Answer 46

They may self-medicate to alleviate symptoms of depression, anxiety, or other psychiatric disorders.

Question 47

How do doctors **diagnose** substance abuse based on **physical** symptoms?

Answer 47

Indicators like: * Liver enzyme changes * Weight loss * Coordination problems * Chronic fatigue

Question 48

What are some **behavioral signs** of substance abuse?

Answer 48

* Secretive behavior * Financial issues * Legal problems * Neglecting responsibilities

Question 49

What are the **legal implications** of substance abuse?

Answer 49

* DUI (Driving Under the Influence) charges * Possession charges * Legal fines

Question 50

What are the **psychological** effects of substance abuse?

Answer 50

* Mood swings * Anxiety * Depression * Paranoia * Impaired cognitive functions