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This study guide provides a collection of questions and answers related to anatomy and physiology. It covers various topics, including the skeletal system, muscular system, nervous system, cardiovascular system, endocrine system, and renal system. The guide is designed to help students test their knowledge and understanding of key concepts in these areas.
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What is the name given to an imaginary plane that divides the body into right and left halves? correct answer: Sagittal Which statement best explains what happens when oxygen and hydrogen combine to form water (H2O)? correct answer: Unequal sharing of electrons A band of fibrous connective tissue that connects muscle to bone. correct answer: Tendon A strong band of connective tissue that connets bones to one another. correct answer: Ligament A sheetlike fibrous connective tissue that resembles a flattened tendon that serves as a fascia to bind muscles together or as a means of connecting muscle to bone. correct answer: Aponeurosis A bundle of muscle fibers correct answer: Fascicle Which property of cardiac muscle prevents tetanic contractions? correct answer: long refractory period Which component of the spinal reflex arc is responsible for delivering an efferent impulse to either a muscle or a gland? correct answer: Motor Neuron
Which is a function of the cerebellum? 1)control of voluntary scanning movements of the eyes 2)production of coordinated movement 3)regulation of autonomic body functions 4)regulation of emotions correct answer: production of coordinated movement What results from sectioning the corpus callosum? correct answer: Information transfer between the cerebral hemispheres is lost. A thick band of axons that connects the two cerebral hemispheres and acts as a communication link between them. correct answer: corpus callosum Which ability would be impaired by damage to hair cells at the basal end of the cochlea? correct answer: hearing high- frequency sounds A coiled, bony, fluid-filled tube in the inner ear through which sound waves trigger nerve impulses correct answer: cochlea Which compensatory response is likely to occur when the blood calcium level is low? correct answer: Osteoclast activity will be greater than normal. A type of bone cell that removes bone tissue. correct answer: Osteoclast
4)increased parasympathetic stimulation of the heart correct answer: increased parasympathetic stimulation of the heart Which cells in the islets of Langerhans produce insulin? correct answer: beta cells Cell that secrete glucagon when blood glucose levels fall below normal levels correct answer: alpha cells Cells that secrete somatostatin correct answer: delta cells Cells of the pancreatic islets in the pancreas that secrete pancreatic polypeptide. correct answer: F cells Which statement best explains why stimulating the sympathetic nervous system will increase arterial blood pressure? 1)Cardiac output will increase and total peripheral resistance will remain unchanged. 2)Cardiac output will remain unchanged and total peripheral resistance will increase. 3)Cardiac output will increase and stroke volume will decrease. 4)Cardiac output and total peripheral resistance will both increase correct answer: Cardiac output and total peripheral resistance will both increase
What condition may result from the hypersecretion of gastric juices? correct answer: peptic ulcers Chronic disease of the liver with gradual destruction of cells and formation of scar tissue; commonly caused by alcoholism correct answer: cirrhosis An inflammation of the peritoneum. correct answer: peritonitis An inflammation of the pancrease that is rare and potentially serious correct answer: acute pancreatitis What is the effect of the Hering-Breuer reflex? correct answer: Stimulates inspiration Which is the correct pathway of filtrate through the nephron? correct answer: Bowman's capsule, proximal convoluted tubule, loop of Henle, distal convoluted tubule During cellular respiration, a diminished supply of oxygen will result in the storage of hydrogen as which acid? correct answer: lactic the three-carbon compound that is produced during glycolysis and needed for both the aerobic and anaerobic pathways of cellular respiration that follow glycolysis correct answer: pyruvic
These cells surround the primary oocyte and produce oocyte maturation inhibitor to prevent the continuation of meiosis. correct answer: follicular epithelial cells A layer of cells surroudning the granulosa cells of the follicles in an ovary. They help produce the estrogen secreted from the follicle during the first phase of the ovarian cycle. correct answer: thecal cells