Bio 20 – Unit 4 – Exam Bank Biochemistry and Digestion:Bio 20 – Unit 4 – Exam Bank Biochemistry and Digestion: Ibad: What organ creates bile
... [Show More] salts? a. Stomach b. Liver c. Gall Bladder d. Pancreas Arvin: Identify the properties of cholesterol: a. Lipid; amphipathic; carbon ring structure b. Carbohydrate; amphipathic; carbon ring structure c. Protein; amphipathic; fatty acid chain d. Lipid; amphipathic; fatty acid chain Besher: What is the function of the appendix? a. Concentrates and eliminates wastes b. Storage of bile salts that are secreted from the liver c. Storage site for bacteria which aids digestions d. Secretes enzymes into the small intestine Contact: [email protected] Lucas: What occurs to proteins beyond 37 degrees Celsius? a. Hydrogenation e. Denaturation f. Dehydration synthesis g. Turbination Aybala: Which of the following doesn’t belong in the digestive system a. Gallbladder b. Liver c. Appendix d. Kidney Meera: All of the following are properties of disaccharides except: a. A type of reducing sugar b. Often referred to as ‘starches’ c. Contain 2 sugar units d. Contain more than 7 carbon atoms Jaime: What process occurs that allow for two monosaccharides to form a disaccharide? a. Dehydration synthesis a. Hydrogenation b. Cellular respiration c. Hydrolysis Zara: Which enzyme is in the saliva that is secreted by the salivary glands? a. Maltase b. Sucrases c. Lactases d. Amylase Respiratory System: Arvin: Which statement is most correct? a. The tidal volume is only the volume of air which is exhaled when breathing normally b. The inspiratory reserve volume is any amount of air which can be taken into the lungs beyond regular inhalation c. The residual volume is the volume of air which can be expelled if needed d. The vital capacity consists of the inspiratory reserve volume and the expiratory reserve volume only Lucas: What triggers the diaphragm? a. A decrease in CO2 levels in the bloodstream b. A decrease in O2 levels in the bloodstream c. An increase in CO2 in the bloodstream d. An increase in O2 levels in the bloodstream. Ibad: What structure acts to filter out and trap foreign particles from entering into our respiratory tract? a. Trachea b. Epiglottis c. Cillia d. Turbinate bones Jaime: Why is there a multitude of air sacs (alveoli) rather than one or two large air sacs? a. To increase surface area, increasing the rate of gas exchange b. To increase surface area, so if one portion of the alveoli is infected, the rest of the air sacs will be healthy and functional c. To decrease surface area, increasing the rate of gas exchange d. To decrease surface area, o if one portion of the alveoli is infected, the rest of the air sacs will be healthy and functional Mehdi: What structure prevents food from entering the air passages to the lungs? a. Nasal cavity b. Esophagus c. Trachea d. Epiglottis Zara: What do the thoracic cavity and the abominable cavity consist of? a. Thoracic cavities are the lungs and the abominable cavity is the stomach and liver. b. Thoracic cavities are the liver and the abominable cavity is the lungs and liver. c. Thoracic cavities are the lungs and the abominable cavity are the kidneys and smaller intestine. d. Thoracic cavities are the lungs and the abominable cavity is the stomach. Circulation and Immunity: Why is it necessary for the left ventricle to be so much stronger than the right ventricle? The left ventricle is responsible for pumping blood out to the entire the body, while the right ventricle only needs to pump out to the lungs. Besher: What triggers the brain to make the diaphragm contract? e. CO2 in the blood decreases f. O2 in the blood increasing g. CO2 in the blood increases h. An area of low pressure is created in the lungs Which part of the heart handles oxygenated blood (Rob) A) Left B)Right C)Middle D)Both sides Zara: In which case do the veins carry oxygenated blood and the arteries carry deoxygenated blood? a. The Systemic arteries carry deoxygenated blood from the right ventricle to the lungs and the Systemic veins carry oxygenated blood from the lungs to the left atrium. b. The Pulmonary arteries carry deoxygenated blood from the left ventricle to the lungs and the pulmonary veins carry oxygenated blood from the lungs to the right atrium. c. The Pulmonary arteries carry deoxygenated blood from the right ventricle to the lungs and the pulmonary veins carry oxygenated blood from the lungs to the left atrium. e. The Pulmonary arteries carry deoxygenated blood from the lungs to the left atrium and the pulmonary veins carry oxygenated blood from the right ventricle to the lungs. Mehdi: What is the correct order at which blood leaves and returns to the heart? A) Veins-capillaries-arteries B) Capillaries-veins-arteries C) Arteries-capillaries-veins D) Veins-arteries-capillaries Alya: Which type of muscle is not controlled by the autonomic nervous system? A) Smooth Muscle B) Skeletal Muscle C) Cardiac Muscle D) All of the above Lucas: The sinoatrial node triggers: a. The contraction of the ventricles b.The purkinje fibers c.The Bundle of His d.The contraction of the atria Helma: What is a better definition for an artery? a) carries oxygenated blood b) blood vessel that carries blood towards the heart c) carries deoxygenated blood d) blood vessel that carries blood away from the heart Jaime: What disease/infection/defect is it when the heart has a whole within its septum? a.Arteriosclerosis b.Congenial Heart Defects c.Varicose veins d.Contraction failure Nicole: Select which statement is most commonly mistaken to be true regarding HIV (human immunodeficiency virus) and AIDS (acquired immune deficiency syndrome): a) A person can detect if someone else is HIVpositive only through the HIV-positive persons officially tested/diagnosed results. b) You can contract HIV from someone HIV-positive through touching the same surfaces, breathing the same air, or coming in contact with any of their sweat, saliva or tears. c) There is no current cure to HIV; only certain medication can improve the lives of those who are HIV-positive. d) HIV attacks your T-cells, and cripples your immune system, but HIV cannot kill you. Gwynneth: All of these are true EXCEPT: a) A person with type O- can donate to all blood types b) A person with type O+ can receive from all blood types c) A person with type AB+ can receive from all blood types d) A person with type B+ can donate to type AB+ amongst others Excretory System: Kayla: What is not a way that body works to eliminate waste products generated by metabolic activity? a. Lungs eliminate carbon dioxide b. Liver breaks down ingested toxins c. Kidneys eliminate these toxins and help maintain pH & water balance in the bloodstream d. e. Secretion done in the bladder Yosef E: Which is the 2nd line of defense? a. B-cells b. Antibodies c.Phagocytes d. Stomach acid e. Skin Yousef S: Excretion primarily involves? (a) Removal of all byproducts during catabolism (b) Removal of byproducts during anabolism (c) Removal of chemical wastes (d) Throwing out excess of water Zara: What does the Renal System consist of? a.Bladder, kidney, ureter, and urethra b.Bladder, lungs, esophagus, and smaller intestine c.Kidneys, smaller intestine, liver, and lungs d.Lungs, ureter, urethra, and smaller intestine Jaime: What substances does the Loop of Henle specialize in exchanging between our body’s filtrate and blood? a.Salt and H2O b. H2O and K+ [Show Less]