Anatomy and Physiology Exam 1 Pretest

Anatomy and Physiology Exam 1 Pretest Questions And Answers ________ is fat soluble, produced in the skin on exposure to UV radiation, and necessary for normal bone growth and function. - vitamin D ) ________ cavities are spaces within joints - synovial ) A major function of serous membranes is to decrease friction - True ) Produces antibodies that neutralize foreign substances. - Immune ) What is a chain of 25 amino acids called? - polypeptide ) What is the main, general purpose of negative feedback? - To maintain homeostasis A bond in which electrons are completely lost or gained by the atoms involved - ionic bond A bond in which electrons are shared equally - nonpolar covalent bond A bond in which electrons are shared unequally. - Polar Covalent bond A good example of a positive feedback mechanism would be ________. - enhancement of labor contractions A structure that is composed of two or more tissues would be a(n) ________ - organ A type of bond important in tying different parts of the same molecule together into a three-dimensional structure - hydrogen bond Abundant in tissues subjected to great mechanical stress. - desmosomes Adrenal glands, pancreas, pituitary - Endocrine All organic compounds contain carbon - True Although a man who weighs 175 pounds on Earth would be lighter on the moon and heavier on Jupiter, his ________ would not be different - weight An increased rate of breathing as a result of an increased buildup of carbon dioxide in the bloodstream would be best described as an example of ________. - Excretion of metabolic waste An oblique cut is one that is cut ________. - diagonally through the vertical and horizontal anterior - front Anything that occupies space and has mass - matter Arm - Brachial Arteries, veins, heart - Cardiovascular Average body temperature is ________ degrees centigrade. - 37 Blood clotting - Positive feedback Blood glucose levels - Negative Feedback Blood pressure - Negative feedback Brain - Cranial Buttock - Gluteal Can be measured only by its effects on matter. - energy Carbohydrates and proteins are built up from their basic building blocks by the ________. - removal of a water molecule between each two units Carbohydrates are stored in the liver and muscles in the form of ________. - glycogen Chest - Thoracic Choose the answer that best describes HCO3 - ) a bicarbonate ion Communicating junction. - gap junction Controls the body with chemical molecules called hormones - Endocrine deep - away from the body surface (internal) Delivering a baby - Positive feedback Delivers oxygen and nutrients to the tissues - Cardiovascular Dense spherical bodies in the nucleus that are the