Final Exam Sample Test

Define the following term: Vegetative cell.

• A vegetative cell is a cell of a bacterium or unicellular alga that is actively growing rather than forming spores.

• A vegetative cell is a dormant structure formed to survive harsh conditions.

• A vegetative cell is a specialized reproductive cell found in plants only.

• A vegetative cell is a type of animal cell responsible for muscle contraction.

Define the following term: Sterilization.

• Sterilization is the process of destroying all forms of microbial life, including spores.

• Sterilization is the process of removing only visible dirt from surfaces.

• Sterilization is the process of reducing the number of microorganisms to a safe level.

• Sterilization is the process of cooling substances to preserve them.

Define the following term: Disinfection.

• Disinfection is the process of eliminating or reducing harmful microorganisms from inanimate objects and surfaces.

• Disinfection is the process of sterilizing living tissues completely.

• Disinfection is the process of adding fragrance to surfaces to make them smell pleasant.

• Disinfection is the process of painting surfaces to protect them from rust.

Define the following term: Pasteurization.

• Pasteurization is the process of heating food or liquid to a specific temperature for a set period of time to kill harmful microorganisms without affecting the quality of the product.

• Pasteurization is the process of freezing food to preserve its nutrients and flavor.

• Pasteurization is the method of adding preservatives to food to extend its shelf life.

• Pasteurization is the process of fermenting food to enhance its taste and texture.

Tags

NGSS.HS-PS3-4

Define the following term: Autoclave.

• An autoclave is a device that uses steam under pressure to sterilize medical or laboratory instruments and other items.

• An autoclave is a type of microscope used to observe bacteria.

• An autoclave is a chemical used to disinfect surfaces in hospitals.

• An autoclave is a container used to store vaccines at low temperatures.

Define: Antisepsis. (Fill in the blank with the correct definition.)

• The process of using chemical agents to eliminate or reduce the number of microorganisms on living tissues.

• The process of removing all visible dirt and debris from surfaces.

• The process of sterilizing surgical instruments using high heat.

• The process of physically removing microorganisms from inanimate objects.

Define: Vehicle. (Fill in the blank with the correct definition.)

• An inanimate substance (such as food, water, or air) that can transmit infectious agents.

• A living organism that causes disease.

• A medical procedure to prevent illness.

• A type of transportation used for travel.

Define: Fomite. (Fill in the blank with the correct definition.)

• A nonliving object or substance capable of carrying infectious organisms and transferring them from one individual to another.

• A living organism that produces its own food through photosynthesis.

• A type of white blood cell involved in immune response.

• A chemical substance used to kill bacteria on living tissue.

Define: Etiology. (Fill in the blank with the correct definition.)

• The study of the cause or origin of a disease.

• The study of the structure of tissues.

• The study of the treatment of diseases.

• The study of the symptoms of diseases.

Define: Syndrome. (Fill in the blank with the correct definition.)

• A group of symptoms that consistently occur together or a condition characterized by a set of associated symptoms.

• A single symptom that appears suddenly and disappears quickly.

• A disease caused by bacteria only.

• A condition that affects only the nervous system.