Disease and immunity

Disease-causing microorganism, such as a bacterium or fungus.

• antigen
• prion
• pathogen
• allergen

Tags

NGSS.HS-LS4-5

Cells that engulf and digest pathogens are

• plasma cells

• phagocytic cells

• helper T cells

• antibodies

Disease causing agents such as bacteria and viruses are called _______________.

• pathogens

• antibodies

• villians

• particles

Skin and hair is ....barriers

• mechanical

• chemical

• electrical

• substantial

Stomach acid and mucus is ....barriers

• mechanical

• chemical

• electrical

• substantial

A Substance made of weakened, killed, or partial pathogens are designed to protect the body from future invasions of that pathogen.

• Vaccine

• Virus

• Disease

• Microbe

Which of these words should you include in a description of phagocytosis?

• Swallow and Digest

• Engulf and Digest

• Engulf and Destroy

• Digest and Kill

Which one of the following is least important in preventing the contamination of food?

• Not smoking while preparing food.

• Washing the hands before preparing food.

• Not coughing or sneezing over food.

• Keeping food away from flies

Which one of the following is least likely to give rise to food poisoning?

• Cooking and eating a partially defrosted turkey.

• Eating a cooked chicken leg straight from the refrigerator.

• Preparing a fresh chicken for the oven and immediately making a lettuce and tomato salad.

• putting an uncooked chicken on the same plate as some cold ham.

What are pathogens?

• organisms that cause disease
• organisms that are not living 
• only viruses 
• Organisms that can be seen without a microscope