Unit 8: Health and immune system.

Pain, fatigue or sadness are...

• Symptoms

• Signs

• Aetiologies

• Diseases

Objective evidence of lack of health is called...

• Sign

• Symptom

• Diagnosis

• Aetiology

A long lasting disease is a ___________ disease.

• Chronic

• Acute

• Permanent

• Metabolic

Microorganisms that cause infectious diseases are called...

• Pathogens

• Vectors

• Hosts

• Reservoirs

Malaria and sleeping sickness are caused by...

• Bacteria

• Virus

• Fungi

• Protozoa

This pathogen needs a cell to reproduce in:

• Bacteria

• Protozoa

• Virus

• Vector

The living thing that carries and transmits the pathogen but they are NOT affected by it is:

• Vector

• Agent

• Host

• Reservoir

The organism that is infected is called...

• Pathogen

• Vector

• Host

• Reservoir

A continually present disease in a region is called...

• Endemic

• Epidemic

• Pandemic

• Iconic

One of these elements is not a surface barrier:

• Mucous membrane

• Phagocytes

• Intestinal flora or positive bacteria

• Chemicals in saliva