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LAT. Final Exam Questions with Accurate Answers
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Exam of 48 pages for the course LAT at LAT (LAT. Final Exam)
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LAT. Final ExamWhat is NOT found in the dermal layer?
A. Hair follicles
B. Connective tissue
C. Pigment cells
D. Cornified epithelium – answer D. Cornified epithelium
What effect does UV light have that limits the ability of microorganisms to survive?
A. Chemical breakdown
B. Mutations in DNA
C. Interference with oxygen levels
D. Physical decay - answerB. Mutations in DNA
What is a prognosis?
A. Prediction of the probable course of a disease and chance of recovery
B. Treatment plan for a disease, including prescription medication
C. Route of transmission of a disease and diagnostic findings
D. Origin of the disease and the treatment plan - answerA. Prediction of the probable
course of a disease and chance of recovery
Which is a common blood collection site for fish?
A. Saphenous vein
B. Orbital sinus
C. Cephalic vein
D. Anterior vena cava - answerA. Saphenous vein
What is TRUE about temperature-sensitive tape?
A. It should be placed so it is exposed to the same conditions as the materials being
sanitized or sterilized.
B. It contains properties that help with sterilization.
C. It shrinks in length when the appropriate temperature has been reached in an
autoclave.
D. It cannot be used in an autoclave. - answerA. It should be placed so it is exposed to
the same conditions as the materials being sanitized or sterilized.
How is cancer induced in an animal model?
,A. Inject the cancer cells
B. Apply cancer-causing chemical to the skin
C. Apply cancer-causing chemical to mucous membranes
D. All of the Above - answerD. All of the Above
Which vessel is commonly used for intraarterial blood draws in a rabbit?
A. Aorta
B. Caudal vena cava
C. Central ear or auricular artery
D. Brachial artery - answerC. Central ear or auricular artery
What is the act of preventing contamination of the sterile surgical field and other sterile
areas called?
A. Intraoperative technique
B. Aseptic technique
C. Perioperative technique
D. Disinfectant technique - answerB. Aseptic technique
Which of the following is FALSE about completing tasks at work?
A. Complete simpler tasks first and save the harder ones until the afternoon.
B. Tasks should be completed in order of importance.
C. The order of tasks should take into consideration deadline demands.
D. A to-do list should be created. - answerA. Complete simpler tasks first and save the
harder ones until the afternoon.
How can you best determine the correct cage size for housing animals?
A. Find out what other facilities are doing.
B. Follow the instructions of the primary investigator.
C. Common sense will tell you if there is enough room.
D. Consult the Guide and the Animal Welfare Regulations - answerD. Consult the Guide
and the Animal Welfare Regulations
Which of the following is TRUE about the ethical decision-making process?
A. The Institutional Animal Care and Use Committee (IACUC) is never involved.
B. Researchers are involved only in certain situations.
C. A decision could be made to remove an animal from a study.
D. The lab technicians evaluate the situation and decide on a solution. - answerC. A
decision could be made to remove an animal from a study.
What can be used to determine the sex of a rodent?
,A. number of teeth
B. anogenital distance
C. body length
D. coat color - answerB. anogenital distance
Which of the following is a set of guidelines established by the Centers for Disease
Control (CDC) and the National Institutes of Health (NIH) for the safe handling and
containment of biological agents in a laboratory setting?
A. Occupational Health and Safety in the Care and Use of Research Animals (Occ
Health)
B. Guide for the Care and Use of Laboratory Animals (the Guide)
C. Guidelines for the Humane Transportation of Research Animals
D. Biosafety in Microbiological and Biomedical Laboratories (BMBL) - answerD.
Biosafety in Microbiological and Biomedical Laboratories (BMBL)
Otitis is an infection of what part of the body?
A. Ear
B. Eye
C. Nails
D. Skin - answerA. Ear
What is a tuberculocidal agent?
A. A disinfectant that at specific concentrations can kill Mycobacterium tuberculosis
B. A sample of tuberculosis that must be kept in a secure location
C. A chemical that causes tuberculosis
D. A drug that helps prevent tuberculosis if a person is exposed - answerC. A chemical
that causes tuberculosis
Which of the following is FALSE about training?
A. New personnel who have had previous training are exempt.
B. Online training can be used.
C. Trainers can present workshops.
D. Multiple training methods can be used. - answerA. New personnel who have had
previous training are exempt.
What is the term for induction of an increased number of eggs that mature and are
released from the ovaries simultaneously?
A. Gonatotropins
B. Induced ovulation
C. Polyestrus
D. Superovulation - answerD. Superovulation
, Which statement about endotracheal intubation is TRUE?
A. To place an endotracheal tube in large animals, the tube is often guided by a
speculum.
B. An endotracheal tube provides a method for feeding animals when it is unable to eat.
C. Anesthesia is necessary because endotracheal intubation is impossible in a
conscious animal.
D. Endotracheal intubation can be performed using only a topical anesthetic to prevent
tissue swelling due to any trauma caused by inserting the tube through the larynx. -
answerC. Anesthesia is necessary because endotracheal intubation is impossible in a
conscious animal.
What sign indicates a correct subcutaneous or intradermal injection?
A. Inflammation at the site after 24 to 48 hours
B. A bleb at the site
C. The needle passes into an area with less resistance
D. A small drop of blood - answerB. A bleb at the site
What is the transient stressful microenvironment for aquatic species that occurs during
the time that the biologic filter is being established referred to as?
A. Establishment disorder
B. Initial period of acclimation
C. New tank syndrome
D. Adjustment stage - answerC. New tank syndrome
What is the hardness of water a measure of?
A. Amount of contaminant
B. Amount of microorganisms
D. Amount of dissolved minerals
E. Amount of oxygen - answerD. Amount of dissolved minerals
What is a method used to ensure that the control group and the experimental group
receive the same amount of feed?
A. Ad libitum feeding
B. Pair-feeding
C. Daily weighing of animals
D. Metabolism testing - answerC. Daily weighing of animals
What is the term that refers to an animal that differs from other animals of that strain by
one mutation?
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