UVTech BioSciences Interview Questions and Answers

Collection and processing of face samples and concentration techniques of stool for microscope examination.

• Face samples can be collected using swabs or other sampling tools.

• The samples are then processed in a laboratory setting to extract DNA or other relevant information.

• Stool samples can be concentrated using techniques like centrifugation or flotation.

• Concentration techniques help to increase the likelihood of detecting parasites or other microorganisms in the stool sample...read more

Normal flora refers to the microorganisms that naturally reside in the human body without causing harm.

• Normal flora helps protect against harmful pathogens by competing for resources and producing antimicrobial substances.

• Examples include bacteria in the gut aiding in digestion, skin flora preventing harmful bacteria from colonizing, and vaginal flora maintaining a healthy pH balance.

• Imbalances in normal flora can lead to infections or other health issues.

Joining in SQL combines rows from two or more tables based on related columns, enabling complex queries and data retrieval.

• Types of Joins: INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL OUTER JOIN.

• INNER JOIN returns rows with matching values in both tables. Example: SELECT * FROM A INNER JOIN B ON A.id = B.id;

• LEFT JOIN returns all rows from the left table and matched rows from the right table. Example: SELECT * FROM A LEFT JOIN B ON A.id = B.id;

• RIGHT JOIN returns all rows from the r...read more

Preservation of culture involves various methods to safeguard traditions, practices, and beliefs for future generations.

• Documenting cultural practices through written records or audiovisual recordings

• Passing down traditions through oral storytelling and intergenerational teachings

• Establishing cultural institutions like museums and libraries to preserve artifacts and documents

• Celebrating cultural festivals and events to promote awareness and appreciation

• Incorporating cultural ...read more

Complement fixation is a laboratory technique used to detect the presence of specific antibodies in a patient's serum.

• Complement fixation involves mixing the patient's serum with a known antigen and complement proteins.

• If specific antibodies are present in the serum, they will bind to the antigen, preventing the complement proteins from lysing sheep red blood cells.

• The absence of hemolysis indicates a positive result, meaning the patient has antibodies against the antigen.

• Com...read more

Bacterial infections in blood and tissues can lead to serious health complications.

• Bacterial infections in the blood can cause sepsis, a life-threatening condition.

• Bacterial infections in tissues can lead to abscess formation.

• Common bacterial infections include Staphylococcus aureus, Streptococcus pyogenes, and Escherichia coli.