The cardiac output of 70-year-old man at rest is 5.5L / min; mean HR is 85 bpm. Left ventricular end-diastolic volume (LVEDV) is estimated to average 85 ml. What is the mean ejection fraction?

Q: Bob has a body mass of 74 Kg His blood pressure is 134/74 Heart rate is 68 b/min His cardiac…

A: Given: Body mass of Bob = 74kg blood pressure = 134/74 heart rate =68 per minute  Cardiac output =…

Q: The average amount of blood pumped each minute by a healthy heart is about: 70 mL 10 liters 490 ml 5…

A: The cardiovascular system is composed of the heart, blood, and blood vessels including arteries,…

Q: Given heart rate = 72 bpm, stroke volume = 70 mL, calculate cardiac output.

A: Stroke volume: All the blood from body enters into right atrium from where it is pumped into right…

Q: According to Stephen Hales, if systolic blood pressure in the brachial artery (SBP) = 90 mm Hg, and…

A: The Mean Arterial Pressure (MAP) is a term used in medicine to describe an average blood pressure in…

Q: What is the vicious cycle of heart failure with preserved ejection fraction?

A: Heart failure with preserved ejection fraction or HFpEF is also known commonly as diastolic HF or…

Q: Examine the graphs of Heart Rate, Systolic BP, and Diastolic BP and describe how they change with…

A: During the onset of exercise, the graphs of Heart Rate (HR), Systolic Blood Pressure (SBP), and…

Q: The difference between systolic and diastolic pressure in human is:   A 40 mm Hg B 80 mm…

A: The heart muscle contracts and relaxes to produce a heartbeat. The cardiac cycle involves a period…

Q: Exercise immediately increases end-diastolic volume.true/false

A: Long term cardiovascular advantages can be gotten by work out. Decreased resting pulse, improved…

Q: In a single cardiac cycle, if EDV increases, what do you predict about the upcoming SV? Will SV…

A: In a single cardiac cycle, if EDV the upcoming SV will also increase.  EDV is directly proportional…

Q: Referring to the Cardiac Output formula, which value is most important in determining the cardiac…

A: The cardiovascular system is also known as the blood vascular system. It comprises of heart and the…

Q: What is the mean arterial pressure in a person with a systolic pressure of 160 mmHg and a diastolic…

A: The circulation of blood in our body is achieved by the pressure by which the heart pumps it. The…

Q: Compute for cardlac output If heart rate is 70bpm and stroke volume is 7Um 140 1000 1 4900

A: Heart is the pumping organ of the CIRCULATORY system.  The circulatory system comprises of the heart…

Q: Sketch and discuss the most important waveforms associated to the cardiac cycle and what is the…

A: A sequence of alternating contraction and relaxation of the atria and ventricles in order to pump…

Q: A person’s cardiac output is 7 L/min and mean arterial pressure is 140 mmHg. What is the person’s…

A: The mean arterial pressure defines the average volume of blood present in the blood vessels which is…

Q: Aortic valve closure AV valve opening Systolic pressure Isovolumetric relaxation Isovolumetric…

A: The stages involved in converting deoxygenated blood to oxygenated blood in the lungs and propelling…

Q: What are two major factors that determine pulse pressure?

A: The circulatory framework, additionally called the cardiovascular framework or the vascular…

Q: statement

A: The blood pressure of the body is also called as arterial blood pressure. In the systemic…

Q: Write the equation relating mean arterial pressure to cardiac outputand total peripheral resistance?

A: The cardiovascular system includes heart and blood vessels that work together to pump the oxygen…

Q: Draw a ventricular-function curve illustrating the Frank-Starling mechanism.

A: FRANK STERLING MECHANISM : given below is the ventricular function curve The figure shows multiple…

Q: What is the inherent rate of automaticity at the AV junction?

A: The Heart is a vital part of the body, it supplies the blood to the various body part, organs. It is…

Q: What is the value of the blood flow’s Reynolds number in the capillaries? (i.e., while using the Re…

A: Reynolds number is used to predict the patterns of flow in various situations. Reynolds number…

Q: What is the difference between stroke volume and Ejection fraction

A: Ejection fraction and stroke volume are both significant cardiovascular metrics that shed light on…

Q: Elma, an athlete, has a low resting heart rate of 60 heartbeats per minute. Her resting cardiac…

A: Heart is the principal organ of the cardiovascular system. In addition to the heart it includes the…

Q: What are normal values for systolic, diastolic, and mean arterial pressures in young adult males?…

A: In adult male the range of systolic BP 100–179 mmHg;  Diastolic BP 60–139 mmHg;  Mean arterial…

Q: Define cardiac reserve

A: Cardiac reserve refers to the difference between the rate at which the heart pumps blood and its…

Q: Given a blood pressure of 130/70 mm Hg. Calculate the mean arterial (MAP). pressure

A: Blood pressure is defined as the pressure which is applied by the blood, which is circulating…

Q: Parasympathetic stimulation also increases the delay between atrial and ventricular contractions.…

A: In physiology, the parasympathetic nervous system is responsible for the stimulation of…

Q: hich of the following is true for the ejection phase of the cardiac cycle  select all that apply…

A: The ejection phase of the cardiac cycle begins when the intraventricular pressure exceeds the…

Q: rest

A:

Q: The maximum amount of blood within the left ventricle just before the start of isovolumic…

A: The circulatory framework, likewise called the cardiovascular framework or the vascular framework,…

Q: How do you find the time duration (in ms) for each region of the PQRST in ECG

A: To  find the time duration (in ms) for each region of the PQRST in ECG, you can use the following…

Q: Define cardiac output and given numerical values compute the cardiac output

A: Cardiac output is a term which describes the amount of blood being pumped by the heart through the…

Q: the blood pressure is quoted as two numbers. An example would be resting values of 120/80 mmHg.…

A: Blood pressure can be described as the total amount of blood pumped by the heart and the total…

Q: Amanda's end diastolic volume is 120ml and her end systolic volume is 40ml. If her heart rate is 60…

A: The human cardiovascular system is responsible for the circulation of blood through the body. It is…

Q: write a short description on cardiac output,End daistolic volume,ejection friction, end systolic…

A: The cardiovascular system involves in the circulation of blood and nutrients to the body tissues. It…

Q: Calculate the mean arterial pressure for an individual with a blood pressure of 140/90.

A: Blood pressure (BP) is the force exerted by moving blood against blood vessel walls.

Q: Under normal conditions, pressures in the left and right ventricles are equal during systole. * true…

A: Answer--

Q: Calculate changes in length of cardiac cycle with exercise and discuss their significance

A: The cardiovascular or the circulatory system transports gases, nutrients, hormones and metabolic…