The loss of arterial elasticity with age in particular affects... a. Max heart rate b. End diastolic volume c. Systolic pressure d. Stroke volume e. Diastolic pressure

Q: Afterload is Select one: a. the amount cardiac output must increase during exercise. b. the…

A: The objective of the question is to identify the correct definition of the term 'afterload' in the…

Q: During which phase of the cardiac cycle are the semilunar valves open? Select one: a. atrial…

A: Human heart is a muscular organ which pumps blood to different parts of the body through the set of…

Q: The pulse pressure is a measure of a. the number of heartbeats per minute. b. the sum of the…

A: Blood pressure records two measurements: systolic pressure and diastolic pressure wherein systolic…

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: Diastole is associated with which of the following? a. The P wave of the ECG o b. Isovolumetric…

A: Heart is the part of circulatory sytem. It is responsible for pumping the blood to different parts…

Q: Left ventricular output is generally the same as right ventricular output. If right ventricular…

A: On an average, 70 ml of blood is pumped every beat (stroke volume) and about 5000 ml every minute…

Q: Which of the following is NOT an example of a cardiovascular exercise? A. Running B. Aerobics C.…

A: Cardiovascular exercise, also known as aerobic exercise, refers to physical activity that involves…

Q: пишпипшити A. Agonal rhythm/asystole B. Atrial fibrillation C. Atrial flutter D. Monomorphic…

A: The electrical activity pattern that regulates the heart's contractions is referred to as cardiac…

Q: All of the followings are correct, except ---------------------. A. The mean blood pressure…

A: Blood is the fluid that transports oxygen and nutrients to the cells and carries away carbon dioxide…

Q: Which of the following channels are involved in the action potential in contractile cells of the…

A: An action potential is a sudden, fast, transitory, and propagating shift in the resting membrane…

Q: Prominent effect of the cardiovascular system in patient with hypercortisolism is:A. HypertensionB.…

A: Hypercortisolism is a rare endocrine disorder caused due to chronic exposure of body tissues to high…

Q: The force the ventricles must work against to pump blood is called A. Myocardial contractility B.…

A: The heart has four chambers, the above two chambers are known as the atrium, and the below two…

Q: What is the primary reason for why pulse pressure increases with aging? a. Decrease in the number…

A: The objective of the question is to identify the primary reason for the increase in pulse pressure…

Q: Which of the following is true about the pacemaker potential in the heart? a. Decreased K+ efflux…

A: The pacemaker potential, also known as the prepotential, is the slow, positive increase in voltage…

Q: Acclimatization at high altitude would include a.increased in contractility of heart and increased…

A: Acclimatization, also known as acclimation or acclimatisation, is the process by which an individual…

Q: Muscle impulses are spread rapidly between cardiac musclecells bya. sarcomeres.b. intercalated…

A: The heart is a muscular organ , located just behind and slightly left of the sternum. The heart is…

Q: Define the following terms: a. AMPK b. ACP c. SREBP d. PPAR e. atherosclerosis

A: Definitions are explained.

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: Which of the following characteristics is unique to capillaries and not to other blood vessels?…

A: The blood vascular system has various components that help in the smooth circulation throughout the…

Q: The QRS wave of an ECG (or EKG) represents: a. depolarization of the ventricles. b. Depolarization…

A: ECG is basically a graphical representation of the electrical activity which takes place in the…

Q: The only area of the heart that receives innervation from the brain is called the: A.…

A: Cranial nerves are the part of the nervous system that assists in a variety of functions. These…

Q: Which is not true about our heart A. ventricular systole squeezes blood to the lungs and the body B.…

A: Heart is a muscular organ that helps puno blood to different body organs. It has four chambers,…

Q: Korotkoff sounds indicate:   A. Regurgitation from the ventricle into the atrium through a faulty…

A: The gold standard for non-invasive blood pressure measurement involves the utilization of the…

Q: During the period of isovolumic contraction: A. the AV-valves are open and the aortic & pulmonary…

A:

Q: The Frank-Starling Law says that stroke volume a. is constant b. increases with deceased blood…

A: Stroke volume refers to the amount of blood ejected by the left ventricle of the heart in a single…

Q: In the aorta, Select one: a. the resistance to blood flow is high, but velocity of blood flow is…

A: The objective of the question is to understand the characteristics of blood flow in the aorta, which…

Q: During isovolumetric relaxation, the atrioventricular and semilunar valves are: a. open and…

A: Cardiac cycle explains the flow of blood in the heart during a single heartbeat. This helps to…

Q: Which of the following tissues/organs would experience an increase in blood flow from transition…

A: Introduction: Physical exercise is anything done to develop or maintain total physical fitness and…

Q: Heart failure occurs when   a. the cardiac output is 15 liters per minute when you are watching…

A: A heart failure means that the heart muscle doesn't actually  pump as much blood as per  body…

Q: Contractions in the heart are controlled via a well-regulated electrical signaling cascade that…

A: The heart is a muscular organ that pumps blood through the circulatory system. The heart has four…

Q: In a healthy heart during exercise, cardiac output increases as heart rate increases up to about…

A: CO (Cardiac output) is the estimation of the volume of blood pumped by the ventricles in a minute.…

Q: The blood vessels responsible for variably distributing cardiac output among organs in the body are:…

A: Animal physiology is the systematic study of the supporting features, roles, and processes of…

Q: During exercise, venous return is enhanced by: A. the operation of carotid arterial and femoral…

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

Q: Short-term blood pressure regulation is most associated with what effector organs? a. the heart and…

A: Short term blood pressure regulation is the blood pressure that is regulated by baroreceptors. This…

Q: Which of the following is not true for conduction of the cardiac impulse?   A. Action potentials…

A: Nervous system is an important system which helps in maintaining the homeostasis of the human body.…

Q: In a healthy resting person, the left side of the heart most likely resembles the right side of the…

A: Introduction: The right side of the heart has to pump the blood into the lungs to get it originated…

Q: Ventricular cardiomyocytes under sympathetic drive during a bout of exercise...   a. Would…

A: Audiences of primary and clinical scientists are familiar with the idea that the sympathetic nervous…