ALAT practice exam unit 5 Questions with Correct Answers

Document Content and Description Below

ALAT practice exam unit 5 Questions with Correct Answers Which of the following statements regarding outbred mice is FALSE? A. Outbred mice have been bred for maximum heterozygosity B. Outbred mice have a stable overall genetic makeup C. Outbred mice all share the same genes as every other mouse in the population D. Outbred mice are created by mating a closed population (animals of at least 4 generations) of unrelated animals ✔✔ C. Outbred mice all share the same genes as every other mouse in the population T/F: Mice less than 10 days of age may be caught by cupping the hands around the whole body or by picking up a group of pups together with a small amount of nesting material ✔✔ True T/F: Both respiration and heart rate in the mouse are easily measured by observing or feeling the chest ✔✔ False T/F: An acceptable management technique that may reduce or prevent fighting among male mice housed together is to house young males together from weaning ✔✔ True T/F: The F1 on the end of a hybrid designation indicates that this is the second generation ✔✔ False T/F: Inbred strains usually have larger litters than outbred stocks ✔✔ False T/F: By 7 days of age, mouse pups are fully furred and their eyes are open ✔✔ False What are hybrid mice? ✔✔ The offspring of two different strains of mice Male neonate mice can be distinguished from females by their: ✔✔ Larger anogenital distance List 5 signs of pain, distress, or illness in mice: ✔✔ Ruffled coat, hunched, not moving, weight loss, dehydration, staining near the eyes Weight of an adult male mouse in grams: ✔✔ 20-40 grams Average lifespan of a mouse: ✔✔ 12-36 months Gestation length of a mouse: ✔✔ 19-21 days List 3 forms of environmental enrichment commonly given to mice: ✔✔ group housed, wooden blocks, and treats Skin tenting and sunken eyes are signs of what health problem? ✔✔ DehydrationWhat is the scientific name of the common house mouse? ✔✔ Mus Musculus Newborne mice are born _________ meaning that they are born hairless with eyes and ear canals closed ✔✔ Altricial List 3 examples of permanent methods of identifying mice: ✔✔ Tattoos, chips, and ear/toe clippings What is the term for coming into heat 24 hours after giving birth? ✔✔ Post partum estrus What is the approximate normal body weight for male and female rats? ✔✔ Males 300- 500 grams and Females 250-300 grams What anatomical feature distinguishes rats from mice? ✔✔ The lack of a gallbladder Which rat is albino, has a wide head, long ears, and a tail that is half its body length? A. Sprague- Dawley B. Wistar C. Long- Evans D. Fischer ✔✔ B. Wistar T/F: Male rats cannot be pair housed or they will fight ✔✔ False T/F: Molar teeth of rats grow constantly ✔✔ False T/F: Rats are nocturnal and are never active during the day ✔✔ False T/F: Red staining around the eyes and nose is due to porphyrin, a secretion that can be normal ✔✔ True T/F: Toe clipping is the recommended identification method for adult rats ✔✔ False Rats can be tickled by caretakers, reducing stress during handling and restraint ✔✔ True What are two common types of inbred strains of rats? ✔✔ Fischer 344 and Lewis Which rat stock is also known as the hooded rat? ✔✔ Long evans What problem can occur if you pick rats up by the tip of the tail? ✔✔ Degloving

[Show More]

Last updated: 3 years ago

Preview 1 out of 22 pages

Buy Now

Instant download

Preview of ALAT practice exam unit 5 Questions with Correct Answers

Buy this Document to get the Full Access Instantly

Provided by Students Who Aced it

We Verify Document Content to Gurantee Accuracy

Buy Now

Report Copyright Violation

Also available in bundle (1)

Click Below to Access Bundle(s)

Assistant Laboratory Animal Technician Full Solution Pack (All Assistant Laboratory Animal Technician Exams and Study Questions Are Here, All Answered Correctly)

ALAT Certification Study Questions with Correct Answers Assistant Laboratory Animal Technician Final Exam Practice Questions and Answers with complete solutions ALAT practice exam unit 5 Questio...

By Crescent 3 years ago

$15