Draw and discuss the airflow of Chemical Fumehood, Clean bench, and Class II Biological Safety Cabinet.

Q: Which equipment is required to measure the pollutants?

A: Pollution is any undesirable change in physical, chemical or biological characteristics of air,…

Q: Discuss، Factors that influencing the cleaning process ?

A: There are five main factors which are equally critical when cleaning:time, temperature, mechanical…

Q: Give at least five different microbial control methods you have on your home as listed on the…

A: Microbes are needed to be removed from the inside or outside of the living bodies, surfaces of the…

Q: Differentiate the following:               Mechanistic toxicology, regulatory toxicology and…

A: Toxin  A harmful substance that causes illness or may be death to an organism.

Q: Discussed Tbr collection of Sample for toxicology.

A: Toxicology is a branch of science which involves the study of the adverse effects of chemical…

Q: POST-MORTEM TOXICOLOGY   What do you think is the most important aspect of Post-Mortem Toxicology?

A: Post-mortem toxicology is the process of finding, analyzing and characterizing an unknown foreign…

Q: Which OSHA standard is most concerned with microbial hazards?     A)  Hazard Communication Standard…

A: OSHA standard : Occupational Safety and Health Act (OSHA) standards are the rules which explain the…

Q: When a thermometer is placed in a substance, what is it actually measuring? density heat pressure…

A: Different instruments are used to measure volume, density, heat, pressure, and temperature, etc.…

Q: Which of the combination is TRUE related to safety precautions when working with biological agents?…

A: The biological agent means the microbial organisms which can cause any diseases, hence, certain…

Q: I. Define the following medication storage temperatures: a. Room tempreature   b. Refrigerator…

A: The chemical ingredients or componets are subjected to change or may undergo degradation when…

Q: Explain the different categories that determine when equipment must be disinfected or sterilized.…

A: In high-risk environments, medical devices are used. These environments are exposed to highly…

Q: How are toxicology and environmental toxicology defined?

A: The study of the harmful effects of various chemical, biological, and physical agents on living…

Q: Identify advantages and disadvantages of cold and desiccation.

A: The ‘cold and desiccation’ are two physical methods to control the growth of microbes. The cold…

Q: Identify applications for ethylene oxide sterilization.

A: KEY WORDS :- Ethylene oxide - It is a gas which is flammable in nature and colorless which is used…

Q: Define critical concentration,

A: To define: To define critical concentration and its functions involved in it

Q: One of the following is NOT one of the goals of sterility testing To assure safety of products To…

A: Sterility testing It is a testing that confirms that the products are free from the presence of…

Q: Describe, in order, the 6 steps of cleaning drinking water (filtration, flocculation, corrosion…

A: Water is life. It is the number one source of nutrition. Human body is made of 60% of water . Water…

Q: Materials: Wash Bottle Stirring Rod Desiccator Burette/Buret Kindly describe EACH of the items…

A: Chemical experiments require proper handling of different types of equipment and proper usage of…

Q: which of the physiologic environments are sensational for biomaterials * mechanical strength,…

A: Biomaterials refer to a group of substances that are used to interact with biological systems. It is…

Q: What is the difference between total moisture and water safety? How do they influence microbial…

A: The amount of water present in a food is referred to as moisture content. Microbes' water activity…

Q: reflection about proper handwashing in laboratory and in general

A: Standard precautions These precautions are followed to prevent transmission of microbes though body…

Q: Which of the following is considered chemical control? O a. None O b. Heat, alcohols, ethylene oxide…

A: Chemical control is way to restricting the growth of pathogens. It is based on substances that are…

Q: Electrostatic precipitators or wet scrubbers can be used to reduce pollution. O particulate matter…

A: Pollution caused by industrial activities and combustion is of great concern Various abatement…

Q: Discuss both moist and dry heat methods, and identify multiple examples of each.

A: Cooking or cookery can be defined as the art, science, craft of using heat to prepare food for…

Q: Which physical or chemical agent would be the best choice for sterilizing the following items: glass…

A: Sterilization is a process used in a laboratory setting to remove, kill, or deactivates all forms of…

Q: What is the most significant safety rule in a laboratory? Explain?

A: Introduction :- In contrast to the field or factory, a laboratory is a place where scientific…

Q: Describe microbial sampling procedures for solid foods suchas meat.

A: Food may serve as an important source of pathogenic organisms and therefore it is necessary to…

Q: Why is there a need to guarantee safety in the laboratory?

A: The laboratory is the place where there are lots of chemicals, equipments, instruments, specimen are…

Q: What is the common solid waste found in your own household, identify the source and mode of…

A: Common solid waste is a waste that is neither hazardous nor toxic. It is created by homes and…

Q: Define moist and dry heat, and explain their modes of action andrelative effectiveness.

A: A temperature higher than the normal is essential for microbial growth is microbicidal. In dry heat,…

Q: What acute dose below will cause radiation sickness but not death? 200 rem 2000 rem O200 mrem O 20…

A: At high radiation doses, a human cell can be damaged so severely that it will die. At lower doses,…

Q: What are TAMLs? Describe their role in environmental Toxicology

A: Environmental toxicology is the branch of science that deals with the harmful effects of various…

Q: Kitchen cloths and sponges must be washed thoroughly after use and left to dry before using again.…

A: Kitchen cloths and sponges must be washed thoroughly after use and left to dry before using again.…

Q: Give 3 examples of Antiseptic and 3 disinfectant use at home, in clinics, and in Hospital

A: Both antiseptics and disinfectants are cleaning agents. A same substance can be used either as an…

Q: Define toxicology dose and response

A: Toxicology Dose response curve is defined as the response of target host to various doses of toxic…

Q: One of the following matches regarding grades of air supply is incorrect Select one: ISO Class 3…

A: Pollution is any undesirable change in physical, chemical or biological characteristics of air,…

Q: Explain Surface-Enhanced Raman Spectroscopy measuring food contaminants.

A: The method SERS used in measuring or detecting the food contaminants .

Q: Give some measures while handling or working with any radioactive element.

A: Radioactive elements are unstable isotopes, which release subatomic particles or energy as they…

Q: Draw the letter "e" in a Low Power Objective (LPO), High Powe Objective (HPO), and Oil Immersion…

A: Microscope is the instrument used in the laboratory several objects that are usually not visible to…

Q: Give the importance of heating as a laboratory technique

A: Heating is an important laboratory technique because it can be used to accelerate chemical…

Q: Name the desirable characteristics of chemical control agents.

A: In most cases, chemical agents aren't designed to sterilise. The majority of the time, pathogens are…