Lymph and immune system

Which is an example of specific immunity?

• Stomach acid kills bacteria in food.

• Fatty acid in sweat inhibits the growth of bacteria.

• Mucous catches microorganisms in the respiratory tract.

• Antibodies are made after being exposed to the rhinovirus.

Which of the following is a function of the lymphatic system?

• carrying oxygen throughout the body

• defending the body against pathogens

• excreting waste

• making red blood cells

Which is an example of specific immunity?

• Stomach acid kills bacteria in food.

• Fatty acid in sweat inhibits the growth of bacteria.

• Mucous catches microorganisms in the respiratory tract.

• Antibodies are made after being exposed to the rhinovirus.

A doctor orders blood tests to see what type of pathogen has infiltrated a patient. The patient’s immune system is being attacked by a bacterium. Which type of leukocyte attacks this pathogen specifically?

• basophil

• eosinophil

• neutrophil

• macrophage

Hemma is learning about the lymphatic system in her anatomy class. She has decided to draw a poster of the human body with the lymphoid organs inside. Which example would not be classified as a lymphoid organ?

• pancreas

  
  

• Peyer’s patches

  
  

• spleen

  
  

• thymus

  
  

Which disease can be treated by taking antibiotics?

• measels cuased by a virus

• meningitis, caused by the Echovirus

• strep throat, cause by streptococcus bacteria

• chickenpox, caused by the varicella-zoster virus

In 1928, Alexander Fleming accidentally discovered the first antibiotic when his cultures became contaminated. He noticed that there was a lack of growth around the contaminant.  These observations led to the eventual mass production of the antibiotic known as penicillin.  Which of the following conditions can be treated with penicillin?

• bacterial sore throat

• a toenail fungus

• the common cold

• the flu

Blood-borne pathogens are viruses or bacteria present in human blood and body fluids that can infect and cause disease in humans. Which measure would be most effective in preventing exposure of a blood-borne pathogen to a health care worker?

• a person should wear protective equipment

• vaccination within 24 hours of exposure

• blood test to ensure the appropriate antibody levels

• the contaminated area of the body should be washed

The following sequence of events occurs:

1. A person has a failing heart.

2. The person receives a new heart in a heart transplant.

3. The person's body rejects the new heart.

Which statement explains why the heart was most likely rejected?

• The new heart quits functioning.

  
  

• The person's body is unable to detect the donor organ

• The body's specialized cells attack the new heart.

• The donor organ is unhealthy for use by the person.

Which is not a primary or secondary lymphoid organ?

• heart

• spleen

• thymus

• tonsils