Which of the following conditions is reversible? (best answer) A) myocardial ischemia B) myocardial fibrosis C) myocardial infarction D) myocardial necrosis

Q: 106 Depolarization (phase 0) of cardiac pacemaker cells is slower than that of ventricular myocytes…

A: Electrochemical potential gradient across the cellular membrane enables the cardiac cells to…

Q: Which of the following valves are open and which are closed during systole of the ventricle? a)…

A: The human heart consists of 4 chambers; two upper atria and two lower ventricles. The atria are…

Q: 117. A 45-year-old man with severe tricuspid valve prolapse undergoes a valve replacement operation.…

A:

Q: According to the morphological classification of anemias, megaloblastic anemia is a:   Question…

A: The objective of the question is to identify the correct morphological classification of…

Q: 70. Which of the following phases of the ventricular action potential most closely coincides with…

A: The electrocardiogram is a graphic representation of the electrical activity of the heart recorded…

Q: What is the Frank–Starling law of the heart? What is its significance?

A: In the cardiovascular system, circulated blood flow from the left ventricle is called stroke volume…

Q: 53 Examination of a full-term male newborn shows muffled heart sounds on the left and the point of…

A: A Cardiac silhouette is the outline of the heart seen on frontal and lateral chest X ray images. It…

Q: A

A: In the given heart diagram

Q: Briefly define 1) Starling’s Law of the heart, 2) the basic cellular mechanism thought to mediate…

A: Introduction: When at rest, the heart pumps between 4 and 6 liters of blood every minute. During…

Q: 118. The maintenance of pressure in the arterial tree in diastole is primarily related to which of…

A: Arteries are the blood vessels that carries oxygenated blood from heart to different parts of the…

Q: Myogenic behavior of arterioles:

A: Arterial constriction in response to intravascular pressure is a common myogenic activity found in…

Q: Describe the action potential of an autorhythmic cell in the heart. a) Indicate how the opening and…

A: Answer 1- the opening and closing of each ion channel affects the membrane potential of the cell can…

Q: A 23 year old woman participates in the study of novel pharmacologic agents, which of the following…

A: The cardiovascular system is in charge of moving blood throughout the body. It consists of the…

Q: If an individual has a heart rate of 80 bpm; end diastolic volume of 140 ml and end systolic volume…

A: The functions of heart can be assessed by measuring and calculating certain parameters and comparing…

Q: Which of the following is NOT one of the functions of the cardiovascular system? a) To exchange…

A: The cardiovascular system or the circulatory system comprises the heart and the network of blood…

Q: 16) In what situation would a beta blocker be INDICATED? A) Hypertension B) Hypotension C)…

A: Beta blockers are the class of drug that are used in the case of arrhythmia, chest pain, heart…

Q: If a heart lacked gap junctions, an organ-level contraction would occur.True/False

A: Cardiac muscles are the striated, involuntary, and branch muscles with a characteristic feature of…

Q: Which of the following valves are open and which are closed during systole of the ventricle? a)…

A: The human heart consists of 4 chambers; two upper atria and two lower ventricles. The atria are…

Q: Pick all the correct answers for the normal physiological compensatory responses in untreated…

A: Congestive heart failure may occur when the heart is unable to pump the blood, the way it should.…

Q: 7) Which is correct in reference to blood entering the ventricles? A) the atria is relaxed B) it is…

A: The heart has four valves and they are mitral valve, tricuspid valve, pulmonary valve and aortic…

Q: During isovolumetric ventricular contraction: a) all valves are open and pressure within the…

A: The term isovolumetric contraction includes the prefix word ‘iso’ which means ‘equal’. So, the word…

Q: 23333 The aortic valve opens at which of the following lettered points on the ventricular volume…

A: Aortic valve is present between left ventricle and aorta.  Aortic valve opens during left…

Q: (bleeding into the pericardial cavity).  What form of shock best describes your client's condition?…

A: Cardiac tamponade is a condition in which blood or fluid builds up in the area between the heart…

Q: Which of the following valves are open and which are closed during systole of the ventricle? a)…

A: The heart has two pairs of valves. One is present between the atria and ventricles, called…

Q: Describe why a doctor would give a patient that is diagnosed with acute myocardial infarction the…

A: Myocardial infarction is referred to as tissue death of heart muscle or heart attack it occurs when…

Q: Which vessel is highlighted in aqua below? A) pulmonary trunk B) abdominal aorta C) aortic arch D)…

A: Blood vessels are an important constituent of the cardiovascular system that aid in the transport of…

Q: The preoperative characteristic of patients likely to experience postoperative ischemia after…

A: The main fundamental function of the heart is to provide the oxygenated blood and remove the…

Q: The modifiable risk factor associated with coronary artery disease is (a) Age (b) Obesity (c)…

A: Coronary artery disease (CAD) is a condition that results in reduced blood flow to the heart when…

Q: 118. The maintenance of pressure in the arterial tree in diastole is primarily related to which of…

A: The cardiovascular system of the body comprises the heart and the associated blood veels. These…

Q: 1)cardiac output is increased by  A) more sympathetic stimulation only B) more sympathetic…

A: Cardiac output, or the amount of blood pumped by the heart's two ventricles per unit of time, is the…

Q: 30. S₂ occurs at which of the following lettered points on the ventricular volume curve? OA) Volume…

A: S1, S2 are the usual heart sounds which are normally heard when we auscultate the chest. The S1…

Q: A) Describe an injectable tissue engineering solution to regenerate the damaged heart tissue by…

A: Regenerative medicine holds the promise of engineering damaged tissues and organs by triggering the…

Q: Drugs that Affect the Cardiovascular System A) Mention the considerations that must be taken when…

A: Nitroglycerin is very important vasodilatory drug which is used in various forms like sublingual ,…

Q: Which chamber has higher pressure during the following phases of the cardiac cycle? a) ventricular…

A: Introduction: The cardiac cycle describes the human heart's activity from the start of one heartbeat…

Q: Which structure is highlighted in blue and indicated by the yellow arrow in this image? A) left…

A: Thorax is a chest located between the neck and abdomen. It is formed by bones of the sternum, ribs,…

Q: Aspirin is cardioprotective for its anti-thrombotic properties, which means that it prevents…

A: INTRODUCTION: Aspirin is an anti-thrombotic drug, means it prevents the coagulation or clot…

Q: Which statement regarding the use of rocuronium is true?

A: Neuromuscular blockers are the drugs which have ability to block the activity of neuromuscular…

Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.