LAT Practice Exam Questions & Answers

LAT Practice Exam Questions & Answers What does the Guide for the Care and Use of Agricultural Animals in Research and Teaching (the Ag Guide) require to be established? An occupational health program Which of the following is NOT true about a quality assurance unit (QUA)? The quality assurance unit must participate in the study How often does AAALAC (Association for Assessment and Accreditation of Laboratory Animal Care) conduct inspections of accredited institutions? Every 3 years In addition to the federal, state, and local laws and regulations, what two documents are used by AALAC in the US to evaluate institutions for accreditation? The Guide for the Care and Use of Laboratory Animals and the Guide for the Care and Use of Agricultural Animals in Research and Teaching How often must the controlled substance inventory list be updated? Every 2 years Which of the following is FALSE about a decentralized management program? Each department that uses animals is managed by one supervising department What is the term that refers to the cost charged to maintain one unit, either one animal or one cage of animals, for one day? Per diem rate Which is NOT a method of dechlorinating water? Adding buffering chemicals Which if the following is used to remove chloramines from an aquatic system? Carbon filter Chemical filtration using activated carbon is possible in part because activated carbon acts as a _________ which allows chemicals to bind to its surface Sponge Which type of filter is gravel? Biologic What kind of lights are not recommended for Zebrafish? Red lights What does knowing the types of species and the types of research planned NOT help in determining? The type of HVAC system needed to supply the animal rooms Which term means 'closer to the belly' Ventral What is the function of connective tissue? To bind together or support cells How many major organ systems are there in vertebrates? 11 What are the two types of connective tissue in the vertebrate skeleton? Bone and cartilage In most animals what percent of the blood is comprised of plasma? 55% What is the contraction phase of the heart called? Systole How many heart chambers to fish have? 2 What is the valve that is located between the right atrium and right ventricle? Tricuspid valve What causes lymph to move through the lymphatic system? Skeletal muscle contractions What is the function of the fluid in the pleural sac? It lubricates the chest and lung linings to prevent friction Which nutritional components are necessary to complete chemical reactions in the body? Vitamins What organ is both exocrine and endocrine? Pancreas What shape is the chicken kidney? Lobulated What type of mating system occurs when 2 or more females are bred with 1 male and the females are removed from the mating cage once they are determined to be pregnant? Polygamous mating Which of the following is TRUE about artificial insemination? Semen is manually placed into the reproductive tract of the female What is the process called when fertilized eggs or embryos are taken from a female and implanted into another female who has been tested and found free of pathogens? Rederivation A cage that is 30 cm in length is how long in inches? (Conversion factor: 2.54 cm/in) 11.8 in Which animal can have blood drawn from the brachial vein? Chicken What type of study investigates reproductive toxicity in male and female animals? Segment 1 What radiation method can be interpreted most easily for experimental purposes? Single exposure total body radiation What is an example of negative reinforcement in behavior research Learning to avoid a shock Which type of suture material is more pliable and makes knot tying easier? Multifillament In high through-put surgeries when glass bead sterilization is used, which of the following statements is NOT TRUE? Instruments bust be re-autoclaved prior to each surgery Which of the following is true regarding aseptic surgical procedures? They are required for all vertebrate animals expected to recover from the anesthesia What problem can be caused by an animal vomiting during surgery?