Age-related changes in the heart’s electrical conduction system such as fibrosis and loss of specialized cells and fibers in the SA node and fibrosis of AV node and left anterior fascicle contribute to the development of (choose all that apply): a. Normal heart rate at rest b. Increase in atrial ectopy (irregular, rapid heartbeats) c. Increase in episodes of bradycardia (slow heart rate) d. Increased incidence of heart block.

Q: 6. Identify the factors associated with a higher-than-normal incidence of congenital heart disease.

A: A collection of anatomical or functional cardiac defects that exist from birth is referred to as…

Q: 12. List the three layers of the heart wall and their histological difference.thanks

A: We can say that The heart wall consists of cardiac muscle tissue, connective tissue, and…

Q: Define the following terms. a. Sinus rhythm b. systole c. diastole d. Ejection fraction e. Cardiac…

A: The cardiac system, also known as the cardiovascular system, is the organ system responsible for…

Q: Develop a chart that describes the different categories of congenital heart disorders (increased,…

A: A baby's heart starts to develop at conception but it is completely formed  by 8th week into the…

Q: How can first aid CPR and defibrillator rescue heart function?

A: Electrical signal starts in a group of cells called sinoatrial node(SA). SA node called the…

Q: Give at least 3(descriptions of the location of the heart)

A: Circulatory system is an organ system. It is responsible for circulating blood through out body.…

Q: 45. Which of the following is/are true concerning the opening and closing of thecardiac valves?   A.…

A: The valves of the heart maintain undirectional flow of the blood and prevent its regurgitation in…

Q: 10. AED stands for A. Adjustable Electrical Device B. Automated External Defibrillator C. Automatic…

A: A system of electrical conduction controls the contraction of the heart's distinct chambers,…

Q: In Josie's case congestive heart failure was caused by a stenotic bicuspid valve. However, other…

A: The human heart is four-chambered, and each chamber is separated from the other, the flow of blood…

Q: Pregnancy

A: Predisposing factors are those factors that puts individuals at a risk of developing  diseases.…

Q: Q.06: Which one of the following drug is useful for the treatment of CCF, Hypertension, Cardiac…

A: Drugs are an essential component of most of the therapeutic regimens prescribed by the DOctor.Over a…

Q: A. THE FOLLOWING ARE THE  DIFFERENT CLASSIFICATIONS OF HEART DISEASES I. Uncompromised II.…

A: Since,  you have asked multiple questions we will solve the first question for you.  If you want any…

Q: 6. Nervous System control of blood pressure and blood flow. a. List the 4 major inputs to the…

A:

Q: 16. Place the structures of the pericardial sac and the layers of the heart wall in order from the…

A: The heart is a conical in shape, muscular organ that pumps blood through the vessels of the…

Q: 18. Which of the following is defined by a normal heart rhythm? A. Atrioventricular node B. Mitral…

A: This cardiac signalling mechanism normally operates smoothly in a healthy heart, resulting in a…

Q: Match the following terms: _____occurs with predictable stress or exertion.   2._____occurs…

A: Angina is chest pain or discomfort caused by a lack of oxygen-rich blood to your heart muscle. In…

Q: What heart valve defect do you think this child has? Explain your reasoning Given the condition you…

A: The patient has tricuspid valve insufficiency or tricuspid regurgitation. The tricuspid valve is the…

Q: 2. The nurse notices that the client has a hematocrit of 70 percent. This level of hematocrit will…

A: A medical term used to represent the percentage of the volume of whole blood that is made up of red…

Q: What is hyperkalemia and what is the clinical term for its chronotropic effect on the heart?

A: Hyperkalemia is the condition for excess calcium levels in the blood.

Q: What is the usual way this type of condition is approached? Which condition is it? What can be the…

A: Out of the total number of infants born in the United States in a year, 1% of neonates have…

Q: 2. Give three suggestions for lowering the risk of atherosclerosis.

A: Atherosclerosis is a progressive cardiovascular condition characterized by the buildup of fatty…

Q: 4. Explain the pathophysiology of Left Side Heart Failure.

A: The term "left-sided heart failure" refers to a condition in which the heart's left ventricle cannot…

Q: 2. Explain the pressure and volume changes in the ventricle during the following phases of the…

A: The cardiac cycle refers to the series of events that occur during one heartbeat, including the…

Q: 9. What are the phases of the cardiac cycle and what occurs during each?

A: The cardiac cycle represents the functioning of the human heart from the resolution of one heart…

Q: 1. Discuss the major sources of blood supply to the heart and their clinical applications.

A: Approach to Solving the Question:To provide a comprehensive answer to this question, I will take the…

Q: a. It is common in diabetic patient due to neuropathy. b. It may involve very small portion of…

A: A myocardial infarct is mainly caused by rupture of an atherosclerotic plaque in any of the blood…

Q: Indicate whether the pulse is increased, decreased, or same in the following: a. females compared to…

A: The pulse rate can be referred to as the number of times the heart beats per minute. As the heart…

Q: 9. Coronary arteries route oxygen leH of the: d. descending aorta halpern round-a-bout a.…

A: Coronary artery supplies the fresh blood to the heart wall. It is of following types-Left anterior…

Q: 2) Insert increase or decrease into each of the sentences below which are concerned with blood…

A: Reduced blood pressure causes the baroreceptors to provide less of a signal, which disinhibits…

Q: 4. Pathophysiology of cardiac arrhythmia?

A: A collection of disorders known as cardiac arrhythmias causes an irregular, rapid, or slow…

Q: Even though it is trivial that Beta Blockers might have negative inotropic effect on the heart, but…

A: Beta-blockers act on the Beta 1 receptors which are located in the heart and it slows down the…

Q: Patent ductus arteriosus (PDA) is a heart defect found in the days or weeks after birth. The ductus…

A: Explanation to Q1: - PDA diverts blood from minor to major arteries leading to pulmonary…

Q: 10. Which of the following explains how you can find the cardiac output volume? a. Subtract the…

A: The heart has four chambers, two atria, and two ventricles. Oxygen-poor blood from the various parts…

Q: 13. List 6 things (from your PowerPoint) that result in an increase in heart rate.

A: Heart rate is the speed of the heartbeat measured by the number of contractions of the heart per…

Q: List 6 things (from your PowerPoint) that result in an Increase in heart rate.

A: Heart rate is the measure of the speed of the heartbeat. It is the number of times the heart beats…

Q: Describe and name the parts of the conduction system of the heart. What is the EKG and the names and…

A: As there are two questions give in one, solution to the first question (i.e., 7) only is provided…

Q: 12

A: We know that The heart is a muscular organ the size of a fist that sits directly behind and somewhat…