UTA A&P II Final Exam Questions with Correct Answers Latest Update 2025/2026

UTA A&P II Final Exam Questions with Correct Answers Latest Update 2025/2026 !!! In cardiac muscle, the fast depolarization phase of the action potential is the result of ________. - Answers increased membrane permeability to sodium ions The following is a list of vessels and structures that are associated with the heart. 1. right atrium 2. left atrium 3. right ventricle 4. left ventricle 5. venae cavae 6. aorta 7. pulmonary trunk 8. pulmonary veins - Answers 5, 1, 3, 7, 8, 2, 4, 6 The bicuspid of mitral valve is located ______. - Answers between left atrium and left ventricle !!! The wall of the left ventricle is thicker than the right because _____. - Answers the left ventricle does more work than the right ventricle and the left ventricle produces a higher pressure than the right The right ventricle pumps blood into the _______. - Answers lungs via the pulmonary artery The phase in the cardiac cycle when the mitral valve is closed and the aortic valve is open is the ______. - Answers ventricular contraction Blood returning to the heart from the systemic circuit first enters the ______. - Answers Right atrium Pacemaker cells in the SA node - Answers both show a spontaneous depolarization and are connected by gap junctions to atrial myocytes. !!! The plateau phase of the cardiac muscle action potential relates to _____. - Answers the result of K+ and Ca2+ influx The T wave on an ECG tracing represents _____. - Answers ventricular repolarization Drugs that block the beta-one adrenergic receptors will _____. - Answers decrease heart rate Blood flow into the heart from the venae cavae flows next through the ____ valve. - Answers tricuspid !!! The volume of blood ejected from each ventricle during a contraction is called the _____. - Answers Stroke volume Which of the following factors will increase the net filtration pressure to move fluid out of capillaries? - Answers Both decreased plasma albumen and increased blood hydrostatic pressure !!! Which of the following statements is false concerning the movement of fluid between capillaries and interstitial space? - Answers The net filtration pressure is usually zero. Compared to arteries, veins _____. - Answers have thinner walls Materials can move across capillary walls by - Answers diffusion, bulk flow, and transcytosis !!! Blood flow to a tissue will increase if the __________. - Answers arterioles dilate Arrange the structures in the following list in the order that blood will encounter as it flows from the output side to the input side of the cardiovascular flow circuit. 1. venules 2. arterioles 3. capillaries 4. elastic arteries 5. medium veins 6. large veins 7. muscular arteries - Answers 4, 7, 2, 3, 1, 5, 6 Blood pressure increases with all of the following, except increased ______. - Answers parasympathetic innervation !!! The blood colloid osmotic pressure mostly depends on the ______. - Answers concentration of plasma proteins !!! Blood flow through a capillary is controlled by the _____. - Answers precapillary sphincter !!! Blood moves through veins because of all of the following except ______. - Answers pumping by the smooth muscle in the wall of the vein The muscular layer of a blood vessel is the ______. - Answers tunica media Total peripheral resistance is related to all of the following, except the_____. - Answers osmolarity of interstitial fluids Red blood cell production is regulated by the hormone____. - Answers erythropoietin !!! Platelets are pinched off from giant multinucleated cells in the bone marrow called - Answers megakaryocytes Which plasma protein transports fatty acids and some hormones? - Answers albumin !!! The most abundant proteins in blood plasma are____. - Answers albumins Each heme ring in hemoglobin encloses an atom of - Answers iron !!! White blood cells that are increased in allergic individuals are the ____. - Answers basophils !!! Which of these descriptions best matches the term B lymphocytes? - Answers produce antibodies in response to antigens !!! The conversion of fibrinogen to fibrin is catalyzed by the enzyme _____. - Answers thrombin In response to hemorrhage, there is - Answers vasoconstriction, activation of platelets and Von Willebrand factors, activation of fibrinogen (all of the above)