Laboratory Animal Technician Certification questions and answers well illustrated.

Laboratory Animal Technician Certification questions and answers well illustrated. Abduction - correct answers.The movement of a bone away from the mid-line of the body or away from the axis of an extremity. Abomasum - correct answers.The fourth stomach compartment of a ruminant animal; the only compartment that secretes digestive enzymes and is thus a true stomach. Abscess - correct answers.A localized collection of pus accompanied by swelling in any part of the body. Accessory Sex Gland - correct answers.A gland associated with the urogenital tract;for example, the prostate and seminal vesicles in males which provide the fluid needed for sperm transport during ejaculation Acclimation period - correct answers.The time given to a newly arrived animal to become accuslomed to its new surroundings before the research for which it is intended begins. Acetylcholine - correct answers.A naturally occurring substance in the body t hat is involved i n the transmission of nerve impulses. Acid - correct answers.Chemical or solution with a pH below 7.Chemicals that have a very low pH can cause chemical burns to the skin and should be handled cautiously. Acquired immunity - correct answers.Immunity acquired through exposure to an antigen,which results in the activation of immune cells and the formation of antibodies to this antigen. Also called active immunity. Activity cage - correct answers.A specialized animal unit or cage that allows an animal to exercise freely while its activity is being recorded or measured Acute disease - correct answers.A disease having rapid onset and short duration. Acute toxicity test - correct answers.A test in which the test animal receives a single dose of a test substance. Adduction - correct answers.The movement of a bone toward the midline of the body or toward the axis of an extremity Ad libitum - correct answers.Making feed or water availble to the animal at all times Adipose tissue - correct e made up of cells that store fatty substances,such as lipids and fatty acids. Used as a source of energy for the body. Also called fatty tissue Adjuvant - correct answers.A substance that enhances the potency of another substance. In immunology. it is a substance that enhances the immune response to antigens Adrenaline - correct answers.A hormone that is secreted by the adrenal medulla into the blood stream in response to physical or mental stress. such as that caused by fear or injury. Adrenaline causes a rapid increase in blood pressure. metabolic rate, and blood glucose concentration. Also called epinephrine. Adrenergic - correct answers.A drug, or other subtance that has effects similar to epinephrine. Adventitious - correct answers.Accidental or acquired; not natural or hereditary Aerosol - correct answers.A suspension, fine mist. or spray which contains minute particles. Examples of common aerosolized particles include pollen. medications (as in inhalation therapy)or pathogens Agar - correct answers.A polymer made up of subunits of the sugar galactose that becomes gelatinous when dissolved in hot water and cooled. Used as medium for culturing microorganisms Agonist - correct answers.A drug capable of stimulating physiologic activity Agouti - correct answers.An animal color pattern in which the hairs are dark brown with yellow bands close to the g the animal a light brown appearance. Agranulocyte - correct answers.A white blood cell that contains a multilobed nucleus and has microscopic granules in its cytoplasm; types include leukocytes and monocytes. Air exchange - correct answers.The number of times per hour the ventilation system replaces the air in the room. Albino - correct answers.A inherited condition marked by the absence of melanin, resulting in non pigmented skin. coat, and eyes. An albino animal has white fur or feathers and pink eyes (irises). Alimentary canal - correct answers.A long tube extending from the mouth to the anus: includes organs such as the stomach and intestines. Also called the gastrointestinal tract. Allele - correct answers.One member of a pair of genes that occupies a specific site on a given chromosome. Alternate form of a gene Allergen - correct answers.A substance that is recognized as foreign by the immune system and that causes an allergic reaction Allergy - correct answers.Hypersensitivity to certain substances. such as pollens, foods, or microorganisms. Alopecia - correct answers.Hairloss, usually associated with a skin disease, fighting, parasites, or barbering. AItricial - correct opmental state in which animals are horn blind, hairless, and helpless. Most rodents are altricial at birth Alveolus (plural, alveoli) - correct answers.A microscopic air sac in the lungs where the exchange of respiratory gases occurs through a network of finely divided blood capillaries Ambulation - correct answers.The physical act of walking Amino acid - correct answers.The basic chemical building block of which proteins are made Amorphous - correct answers.Having no shape or organization. Analgesic: - correct answers.A type of drug that alleviates pain without rendering the animal unconscious. Anaphylactic shock - correct answers.A sudden ,severe allergic reaction characterized by a sharp drop in blood pressure, hives, and respiratory distress.' The reaction may be fatal if emergency treatment is not administered immediately. Androgen - correct answers.Testosterone or any of the related male sex hormones Anemia - correct answers.A blood disorder in which the number or size of red blood cells or the amount of hemoglobin per volume of blood is below normal. In anemia, the volume of packed red blood cells per volume of blood is less than normal Anemometer - correct answers.An instrument that measures air flow; used for balancing ventilation. Anesthesia - correct answers.The temporary loss of feeling or sensation induced by one or more drugs; may refer to local, regional, or general types of anesthesia Anesthetic - correct answers.A type of drug that blocks the sensation of pain by acting on nerves or the brain. A general anesthetic also renders the individual unconscious Anestrus - correct answers.The period of time between breeding seasons in some animal species. such as dogs and cats. Animal model - correct answers.An animal whose structural or functional similarity to humans or other animals makes it useful in the study of human or animal diseases. Animal Welfare Act - correct answers.The federal l aw by which the USDA regulates the use of warm -blooded vertebrates in research. Does not cover birds, rats and mice bred exclusively for research, or farm animals used or intended for use as food or fiber. Animal Welfare Regulations - correct answers.(AWR):The federal regulations that specify how the Animal Welfare Act should be followed. The AWR are enforced by the USDA Anogenital distance - correct answers.The distance between the anus and genital papilla of most animals; typically greater in males than in females. Used for sexing animals. Anorexia - correct answers.Loss of appetite Antagonist - correct answers.A drug that counteracts or opposes the action of another drug or blocks a physiological activity. Anterior - correct answers.Toward the front of the body, generally used in reference to bipeds Anthelmintic - correct answers.A type of drug that eliminates a wide variety of parasitic worms Anthropoid - correct answers.A primate that appears human like; includes apes and monkeys Antibiotic - correct answers.A type of drug that kills or prevents the reproduction of bacteria on or in the body. Antibody - correct answers.A blood protein that is produced in response to foreign as a biomolecule, bacterium, virus, parasite, or transplanted organ. Antibody titer - correct answers.A test that measures the presence and a mount of antibody in blood. Anticoagulant: - correct answers.A substance, such as EDTA, sodium citrate, or heparin, that is added to blood samples to prevent clotting, thus allowing the blood to be separated into its liquid and solid components. Antidote - correct answers.An agent used to neutralize or counteract the effects of a poison Antifungal - correct answers.A substance that kills fungi or limits their growth. Antigen - correct answers.A microorganism or other foreign substance or protein, such as bee venom or dander. that prompts the body to develop an immune response. Anti-inflammatory - correct answers.A type of drug that reduces the swelling, itching, and pain associated with inflammatory reactions. Anti parasitic - correct answers.A type of drug that kills parasites living in or on a host animal. Antiprotozoal: - correct answers.A type of drug that kills protozoan parasites living within an animal. Antiseptic: - correct answers.A substance that kills some microorganisms or inhibits their growth. Not a steriliant, but can be used safely on living tissue; for example, tincture of iodine. Aorta - correct answers.The large arterial trunk that carries blood from the heart to be distributed through the body by branch arteries. Aortic valve - correct answers.The membrane located between the aorta and the left ventricle that prevents the back flow of blood into the left ventricle of the heart