Methods of Drug Administration and Chemical Treatment Quiz

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Which of the following is an external method of chemical treatment where the fish are scooped out and suspended in the chemical solution for a few seconds to 3 minutes, then rinsed well with clean water and returned to the clean/disinfected holding facility?

Dip method (correct)

Long bath

Flush method

Topical

Which of the following is NOT a characteristic of the dip method of chemical treatment?

Systemic method of administration (correct)

Labor intensive

Short duration of exposure

Accurate dosage

What is the primary benefit of the dip method of chemical treatment compared to other external methods?

Ability to treat multiple fish simultaneously

Accurate dosage (correct)

Reduced labor

Prolonged exposure time

Which of the following is a potential drawback of the dip method of chemical treatment?

Labor intensive Signup and view all the answers

How does the dip method of chemical treatment compare to the flow-through method in terms of chemical exposure time?

The dip method provides a longer exposure time Signup and view all the answers

Which of the following is a key advantage of the dip method over other external chemical treatment methods?

Accurate dosage Signup and view all the answers

Which method is used to quantitate the concentration of antibody and antigen in a solution?

Immunoassay Signup and view all the answers

Which method can be used to detect the number of major components in an antigenic mixture or identify the presence of homologous and heterologous molecules in an antigenic extract based on the specific recognition capacity of a prepared antiserum?

Immunoelectrophoresis Signup and view all the answers

Which technique combines electrophoresis with immunoprecipitation and separates the components of the antigen by electrophoresis?

Immunoelectrophoresis Signup and view all the answers

Which technique generally detects surface-associated antigens?

Fluorescent Antibody Technique (FAT) Signup and view all the answers

Which technique is widely used for the detection of antigen or antibody in fish, typing and identification of a range of microorganisms?

Immunoassay test Signup and view all the answers

Which is one of the most powerful of all immunochemical techniques, employing a wide range of methods to detect and quantitate antigens or antibodies and to study the structure of antigens?

Direct fluorescent antibody techniques (DFAT) Signup and view all the answers

Which of the following methods is used for amplifying specific DNA fragments?

Polymerase Chain Reaction (PCR) Signup and view all the answers

Which of the following viruses can be detected using in situ hybridization techniques in aquaculture?

All of the above Signup and view all the answers

Which of the following steps is NOT part of the PCR amplification cycle?

Ligation Signup and view all the answers

Which bacteria is commonly used as a source of DNA polymerase for PCR reactions?

Thermus aquaticus Signup and view all the answers

Which of the following is a valuable tool for the prevention, control, and management of various diseases in aquaculture?

PCR Signup and view all the answers

Which of the following organisms are important food sources for filter-feeding bivalves and larvae of commercially important crustaceans and fishes?

Microscopic algae Signup and view all the answers