Stable angina is defined as: a. Chest pain that usually starts with physical exertion and is relieved by rest. b. A decreased amount of oxygen available to the tissue cells, due to decreased blood supply. c. Death of part of the cardiac muscle caused by a blockage in on or more of the coronary arteries. d. Chest pain that is not relieved with rest or nitroglycerin; usually lasts longer than 30 minutes. Nead cten hy cten

Q: During diastole: A. the AV-valves are open and the aortic & pulmonary arterial valves are closed. B.…

A: Systole and diastole are part of cardiac cycle. Systole means contraction of heart and diastole…

Q: Compared to the ventricles, the atria ____.   A do not contract as many times per minute   B…

A: It also removes waste products from the body. It has three components: blood, heart and the blood…

Q: What happens to preload when there is venousconstriction in the veins?a. It increases.b. It…

A: The heart is a muscular organ in most animals. It pumps blood through the blood vessels of the…

Q: In the following graph, curve (line) N represents a vascular function curve (venous return curve) in…

A: Introduction :- Venous return is the flow of blood from the periphery back to the right atrium, and…

Q: The trabeculae carneae are located in the __________.   A epicardium   B ventricles   C atrium…

A: Step 1 The trabeculae carneae or columnae carneae are either rounded or irregular muscular columns…

Q: Which of these statements about arteriovenous shunts in the skin is true?a. They divert blood to…

A: Cardiovascular system plays a vital role in the transport/supply of nutrients, gases and removal of…

Q: Which of the following statements is true?a. The left and right common carotid arteries bothbranch…

A: Arteries and veins are the two essential components of the circulatory system. Arteries carry…

Q: Which condition would cause a diastolic murmur?   A regurgitation of blood through an incompetent…

A: Diastolic murmur refers to the sound that occurs for some period during diastole. The diastolic…

Q: Which of the following is True?a. Arteriole diameter is controlled by nerves, hormones,and chemicals…

A: The circulatory system is responsible for the transport of nutrients, electrolytes, wastes gases,…

Q: Unstable angina is defined as: a. Chest pain that usually starts with physical exertion and is…

A: Angina pectoris is a clinical syndrome of episodic chest discomfort resulting from transient…

Q: Blood flow in the coronary circulationa. increases during systole.b.increases during…

A: Coronary circulation is the circulation of blood in the blood vessels which supply blood to the…

Q: After passing through the inferior vena cava blood passes through the ____.   A coronary sinus   B…

A: The cardiovascular system or circulatory system is comprised of blood pumping muscular organ, heart,…

Q: a. Describe how you would take a manual blood pressure reading from a patient using a stethoscope…

A: Stethoscope : it is a medical device used to hear internal sound of human body and other animals.…

Q: Standing for a prolonged period of time can cause ... a. Decline in venous return  b. A drop in…

A: Venous return is the flow of blood from peripheral regions to back to right atrium . Factors which…

Q: If an EKG shows regular P waves, but is missing regular QRS complexes, it means that…

A: EKG or ECG is known as Electrocardiogram. It is used to check the functionality of heart.

Q: Individuals with Marfan Syndrome can have a weakened aorta and be at risk for an aortic aneurysm or…

A: Marfan syndrome is genetic condition in which there is a defect in gene, which produces protein,…

Q: An increase in mean arterial pressure can result froma. an increase in peripheral resistance.b. an…

A: Mean arterial pressure is defined as the average arterial pressure in one cardiac cycle, which…

Q: Choose the pathology, where is observed shortening of PQ interval in ECG, increasing of cardiac…

A: ECG is the electrocardiogram . It is used to check the heart rhythm and electrical activity. It is a…

Q: It is generally accepted that a relatively low diastolic vascular pressure is more important than a…

A: Introduction The pressure of circulating blood against the walls of blood arteries is known as blood…

Q: In a patient with _______ some of the oxygenated blood returning to the left atrium would be pumped…

A: The blood enters the heart's right atrium from the body, where it moves to the right ventricle and…

Q: Coronary angioplasty, part of CAD’s treatment involves: (a) A new part of artery replaces the…

A: The blockage or narrowing of coronary arteries is known as coronary artery disease cause by the…

Q: A heart murmur would be detected in the pathological situation in which blood was flowing from the…

A: Heart murmurs are defined as the blowing or whooshing sound which is heard during a heartbeat caused…

Q: Which of the following statements is true about the SA (sinoatrial) node? a. The action potential…

A: The sinoatrial node ( SA node ) is a group of cells located in the wall of the right atrium of the…

Q: You have an older patient who over the years has steady increase in blood pressure due to changes in…

A: Blood Vessel Compliance is a property of blood vessels. It it is the ability of these blood vessels…

Q: A patient has been in a serious car accident and is hemorrhaging. Which of the following changes…

A: The heart is a muscular, mesodermally derived organ. It pumps the blood and circulates it in the…

Q: If a patient has cirrhosis of the liver and is unable to produce sufficient albumin and other plasma…

A: Alcohol abuse, viral hepatitis, accumulation of fat in the liver, buildup of iron, cystic fibrosis,…

Q: The onset of Ventricular diastole is associated with: A. the closing of the aortic valve B. the…

A: Human heart is composed of two auricles (atria) and two ventricles. Cardiac cycle consists of…

Q: Zone of necrosis/infarction Zone of hypoxia Which of the following statements about right and left…

A: According to guidelines we have to answer the first question only. so please kindly post the…

Q: Which statement about atrial contraction is true.   A the end diastolic volume is the volume of…

A: Atrium is the upper chamber through which entry of blood occurs in ventricles of heart.There are two…

Q: Moderate hemorrhage would tend to cause which of the following (compare to before the hemorrhage)? o…

A: Introduction:- The sympathetic adrenergic system is activated when the body detects a drop in blood…

Q: Prolonged pressure on the skin causes reddened areas at the point of contact due to: Select one: a.…

A: A pressure ulcer is also known as bed sores or pressure sores is an injury in the skin and…

Q: Which of the following is a component of the blood pressure? A) Stroke Volume B) Heart Rate C)…

A: Three factors contribute in Blood pressure are resistance,blood viscosity and blood vessel diameter.

Q: Which of the events below does not occur when the semilunar valves are open?   A Ventricles are in…

A: The heart valves regulate the blood flow into and out of the heart. The normal human heart contains…

Q: The first heart sound is caused by turbulent blood flow which occurs as close(s). A only mitral…

A: Heart sound During each cardiac cycle two prominent sounds are produced. These are "Lubb" and "Dub"…