LATg Chapter 6 Questions with actual
answers.
Which of the following best describes the detection of bacteria, viruses, or parasites at an early stage of
infection in an animal facility?
a. Health surveillance
b. Quality assurance
c. Animal observation
d. Environmental monitoring ANS -A
What is the term for animals used in the health surveillance of rodent colonies?
a. Standards
b. Sentinels
c. Controls
d. Samples ANS -B
What is the goal of a quality assurance program?
a. To ensure that all experimental animals have the best health surveillance possible
b. To ensure that a program meets specified requirements
c. To ensure that all experimentation is done in accordance with scientific standards
d. To ensure that all experimental results are published in scientific journals ANS -B
What is the main goal of maintaining sentinels in animal rooms?
a. To identify the pathogens present in newly received animals
b. To protect the colonies from infection
c. To allow early detection of infection affecting the colony
d. To provide animals that can be used as alternates in case of death of experimental animals ANS -C
Which of the following poses the highest risk for introducing pathogens into an animal facility?
, a. Introduction of live animals
b. Contamination brought in by facility staff
c. Growth of microorganisms in the room's waste containers
d. Spoilage of feed and bedding ANS -A
Which organism is identified by a cecal exam postmortem?
a. Helicobacter spp.
b. Brucella spp.
c. Syphacia spp.
d. Aspiculuris spp. ANS -D
How many days does it generally take for an animal to develop an immune response to an agent? a. 3-5
b. 10-14
c. 15-20
d. 30 or more ANS -7.
Which time frame of the animal's health status is revealed by serological tests on samples taken when
animals arrive at the facility?
a. Health status upon arrival at the facility
b. Health status when they left the vendor's facility
c. Health status 2 weeks before shipment
d. Health status 4-6 weeks prior to arrival at the facility ANS -C
If an animals tests negative for a pathogen 3 weeks after arrival at the facility, which of the following
conclusions is appropriate?
a. The animal was free of this pathogen 2 weeks after arrival.
b. The animal was free of the pathogen when shipped.
c. The animal is free of the pathogen at the present time.
d. The animal was free of the pathogen 2 weeks prior to shipment. ANS -B
answers.
Which of the following best describes the detection of bacteria, viruses, or parasites at an early stage of
infection in an animal facility?
a. Health surveillance
b. Quality assurance
c. Animal observation
d. Environmental monitoring ANS -A
What is the term for animals used in the health surveillance of rodent colonies?
a. Standards
b. Sentinels
c. Controls
d. Samples ANS -B
What is the goal of a quality assurance program?
a. To ensure that all experimental animals have the best health surveillance possible
b. To ensure that a program meets specified requirements
c. To ensure that all experimentation is done in accordance with scientific standards
d. To ensure that all experimental results are published in scientific journals ANS -B
What is the main goal of maintaining sentinels in animal rooms?
a. To identify the pathogens present in newly received animals
b. To protect the colonies from infection
c. To allow early detection of infection affecting the colony
d. To provide animals that can be used as alternates in case of death of experimental animals ANS -C
Which of the following poses the highest risk for introducing pathogens into an animal facility?
, a. Introduction of live animals
b. Contamination brought in by facility staff
c. Growth of microorganisms in the room's waste containers
d. Spoilage of feed and bedding ANS -A
Which organism is identified by a cecal exam postmortem?
a. Helicobacter spp.
b. Brucella spp.
c. Syphacia spp.
d. Aspiculuris spp. ANS -D
How many days does it generally take for an animal to develop an immune response to an agent? a. 3-5
b. 10-14
c. 15-20
d. 30 or more ANS -7.
Which time frame of the animal's health status is revealed by serological tests on samples taken when
animals arrive at the facility?
a. Health status upon arrival at the facility
b. Health status when they left the vendor's facility
c. Health status 2 weeks before shipment
d. Health status 4-6 weeks prior to arrival at the facility ANS -C
If an animals tests negative for a pathogen 3 weeks after arrival at the facility, which of the following
conclusions is appropriate?
a. The animal was free of this pathogen 2 weeks after arrival.
b. The animal was free of the pathogen when shipped.
c. The animal is free of the pathogen at the present time.
d. The animal was free of the pathogen 2 weeks prior to shipment. ANS -B