2nd semester biology test #2 summer 2019

Which pathogen is treated with antibiotics?

• virus

• bacteria

• parasite

• fungi

Vaccines are used to prevent diseases by which type of pathogen?

• virus

• bacteria

• parasite

• fungi

Malaria is caused by:

• parasite

• fungi

• virus

• bacteria

Ticks are an example of this way of transmitting (spreading) disease

• Air-borne

• Vector

• Touching a surface

• Contaminated food or water

Vaccines work by...

• killing pathogens that are already infecting a host
• helping antibodies build immunity against a specific pathogen
• causing the body to expel pathogens faster than normal
• preventing a specific pathogen from entering the body

The ______________ system returns interstitial fluid to the blood stream.

• ureters
• spleen
• thymus
• lymphatic

What do scientists call bacteria and viruses that can make people sick?  

• diseases
• vaccines
• antibodies
• pathogens

The picture below illustrates one internal part of the body’s immune system. What process is illustrated in the picture?  

• a skin cell destroying germs.
• inflammation near an opened wound
• a white blood cell destroying pathogens
• mucus in the lungs destroying pathogens

Tags

NGSS.MS-LS1-3

 Like all other body systems, the immune system helps the body maintain homeostasis.  Which statement best describes how the immune system does this?  

• it protects other organs and tissues from infection and disease
• it breaks down food to provide cells with nutrients
• it gathers information through the senses and controls all other body systems
•  it transports oxygen and carbon dioxide

Tags

NGSS.HS-LS1-3

Diseases are passed from human to human by these four types of germs: 

• Viruses, influenza, HIV, and vaccines
• Viruses, bacteria, fungi, and parasites
• Viruses, cancers, mutagens, and DNA
• Viruses, blood, pollutants, and symptoms