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Discuss the Two-chambered, three-chambered and four chambered hearts
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- Briefly define 1) Starling’s Law of the heart, 2) the basic cellular mechanism thought to mediate this response, and 3) the physiological significance of this effect.12. THE HUMAN HEART: Match the labels to the parts of the heart below. WRITE THE LETTER ONLY. Key Blood flow b) h) g) a) f) aorta right atrium right ventricle inferior vena cava d) e) _pulmonary artery left atrium right ventricle superior vena cavaWith which of the following patients should you remain alert to the possible development of right-sided heart failure? O a) 68-year-old man with dehydration 5 years after having a myocardial infarction Ob) 60-year-old man with chronic obstructive pulmonary disease Oc) 27-year-old woman taking excessive amounts of thyroid hormone to promote weight loss O d) 40-year-old woman who broke an ankle while training for a marathon
- Please help in answering this question - more than one answer may be correct: The pulsatile flow created by the heart is converted to continuous flow by A) magic B) closing of the mitral valve C) resistance of the arteries D) resistance of the arterioles E) elasticity of arteriesMark 115. A male newborn undergoes cardiac catheterization because of severe cyanosis and radiographically demonstrated cardiac enlargement with ditention of pulmonary vesveit. Contrat medium injected into the left ventricle immediately enters the pulmonary circulation. This condition is most likely caused by abnormal development of which of the blowng than A) Aorticopulmonary septum B) Endocardial cushion OC) Septum primum National D) Septum secundum E) Sinus venosusW 8 Read aloud Section to li +880 ac Ask Copilot I A) Coarctation of the aorta B) Occlusion of the circumflex artery C) Septum secundum defect D) Transposition of the great arteries E) Ventricular septal defect + 104 of 148 e (D 103. A 4-year-old boy is brought to the emergency department by his mother 1 hour after farting at home. He was one 20th percentile for height and weight. Auscultation of the chest shows a moderate holosystblic murmur he most likely to show which of the following? Ő t 60
- What does the circled structure do? A) signal SA node contraction B) serve as the hearts pacemaker C) ensure blood doesn’t flow backwards through the heart D) signal ventricular contractionWhich of the following statements concerning the heart is TRUE? A) The SA Node is the pacemaker because it repolarizes faster than the other auto-rhythmic portions of the heart B ) Insufficient blood flow to the heart is called ischemia C) In 3rd degree heart block, the auto-rhythmic portions of the ventricles set the rate of ventricular contractions, while the SA node sets the rate for atrial contractions D) Both B & C E) All of the abovePlease explain in detail List and explain the Structures and functions of the heart What's the difference between Artery and vs. Vein Key Term: Megakaryocytes Key Term: Rh Factor Key Term: Plasma Key Term: Erythropoiesis Key Term: Pulmonary circuit
- In a healthy heart, which of the following statements is TRUE?A) Depolarization of the interventricular septum occurs from right to left.B)The right ventricle depolarizes before the left ventricle.C) The wave of depolarization passes more quickly through the AV node than the Purkinje fibers.D) The QRS complex is predominantly upright in Leads I and II. E) The mean electrical axis is generally between +100 and +150 degrees.Ch. 5: A patient with a connective tissue disease experiences pulmonary vascular resistance. With time, you would expect the patient to show: a) no obvious changes in heart structure or function b) increased thickness of the right ventricular wall c) increased cardiac output from the right ventricle d) increased cardiac output from the left ventricle O e) increased thickness of the left ventricular wall1. The pressure in the lung/gill capillaries and systemic capillaries are the same A) True of two chambered heart B) True of three chambered heart C) True of Four chambered heart D) True of All heart 2. The blood returning to the heart from the systemic capillaries in a four chambered heart is under much higher pressure than with a three chambered heart. True or False? 3. The blood going to the systemic capillaries is mixed with the blood heading to the lung capillaries A) True of two chambered heart B) True of three chambered heart C) True of Four chambered heart D) True of All heart
