Explanation

Smoking (especially of tobacco or cannabis) is often considered a gateway behavior that can lead to experimenting with harder substances.

It is widely observed as a first step in the path toward more serious drug addiction.

Explanation

Tetanus is a bacterial infection that can cause muscle stiffness and spasms.

It particularly in the jaw muscles, leading to the characteristic symptom of "lockjaw".

Explanation

Leukemia is a cancer of the body's blood-forming tissues.

Including the bone marrow and the lymphatic system.

Some forms of leukemia are more common in children.

Explanation

Explanation

• a) Tuberculosis – Caused by the bacterium Mycobacterium tuberculosis 

• b) Typhoid – Caused by the bacterium Salmonella typhi 

• c) Cholera – Caused by the bacterium Vibrio cholerae 

• d) Influenza – Caused by the influenza virus (NOT a bacterium)

Explanation

Tetanus is caused by a bacterium (Clostridium tetani), not a virus.

Explanation

Tuberculosis (TB) is a bacterial infection caused by Mycobacterium tuberculosis, and its symptoms include:

• Fever
• Chest pain
• Coughing up blood or phlegm
• Sweating at night
• Fatigue
• Weight loss (not weight gain)

Explanation

 Aviophobia is the specific fear or anxiety associated with flying in airplanes. 

Explanation

 Brontophobia is the irrational and intense fear of thunder.

 The term comes from the Greek words "bronte" (thunder) and "phobos" (fear). 

Astraphobia, also known as astrapophobia, brontophobia

 Ergophobia: Fear of work

“Heliophobia” is the fear of Sunlight

Cibophobia is the fear of Food

Xenophobia is the fear of Stranger or Foreigner

“Agoraphobia” is the fear of Public Place

“Musophobia” is the fear of Rats

“Achluophobia” is the fear of Darkness

“Dendrophobia” is the fear of Trees

Explanation

Pathogenic bacteria are harmful microorganisms that cause diseases in humans, animals, or plants.

Examples include E. coli, Salmonella, and Streptococcus.