ANSC 440 Final Study Questions and Complete Answers

ANSC 440 Final Study Questions and Complete Answers Which below most accurately approximates deadly levels of dehydration in most domestic animals including animals? - Correct Ans: 12% What is the primary biochemical group that makes up the cell membrane (the container of the cell? - Correct Ans: phospholipids True or false: the median plane divides the body into cranial & caudal parts - Correct Ans: false Which one of the following statements is correct as it relates to tolerance & dehydration? - Correct Ans: Sheep have better tolerance than cattle & pigs Passive diffusion channels in the cell membrane are made of which primary biochemical group? - Correct Ans: proteins True or false: simple, facilitated, and active(pump) diffusion are similar because no energy is required to move substances across the semi-permeable membrane - Correct Ans: false What is not one of the four basic tissue types? (multiple answers ) - Correct Ans: adipose & skeletal You are using a microscope with the 100x oil immersion objective. What is your magnification power? - Correct Ans: one thousand times greater than human eyesight True or false: Skin is made only of epithelial tissue, because of skin's role in protecting the body. - Correct Ans: false Epithelial tissue characteristics come from types of cells, however some epithelial cells can make tough fibrous proteins similar to connective tissue cells. Which is specific to epithelial tissue? - Correct Ans: Keratin ( not a secretion) The Golgi apparatus (a cell organelle) is associated with: - Correct Ans: packing cellular materials for transport Which of the following describes connective tissue? - Correct Ans: extracellular secretions What happens to erythrocytes placed into a hypertonic solution? - Correct Ans: cells decrease in volume Which is true of active transport in the cell membrane? - Correct Ans: means movement from a low concentration to a high concentration gradient Which one of the following body fluid components would represent least amount of body weight? - Correct Ans: Transcellular True or false: A sagittal plane is any plane parallel to the median plane - Correct Ans: true Which one of the following most accurately approximates the amount of blood in an animal? - Correct Ans: 10% of body weight Which of the following describes connective tissue? - Correct Ans: extracellular secretions The water requirement of a 1,000 lb (454 kg) cow is about 30 L each day. If a calf weighs 100 lb (23 kg) and has about 1/5 the body surface area of the cow, what would be its approximate water requirement each day? - Correct Ans: 6 L True or false: A cross-sectional view of the body or part would be made on the transverse plane - Correct Ans: true