A subject has normal values of 125/80 mm Hg blood pressure and heart rate of 65...

Question

Question

A subject has normal values of 125/80 mm Hg blood pressure and heart rate of 65 bpm and a cardiac

output of 5 L min-1.

C. If the heart rate does not change, what is the new peripheral resistance?

Answer 1

Answer #1

The total peripheral resistance can be calculated from the formula

TPR = MAP/ CO

Where TPR is the total peripheral resistance, MAP is the mean arterial pressure and CO is the cardiac output.

Originally the TPR was

TPR = 95 mm Hg / 5 L min-1 = 19.0 mm Hg L-1 min

The new TPR is given as

TPR = 100 mm Hg / 65 bpm x 102.6 mL/ beat = 100/ 6.669 = 14.99 mm Hg L-1 min

Answer 2

Similar Homework Help Questions

If the diastolic blood pressure at the heart level is 80 mm Hg, what is the...

If the diastolic blood pressure at the heart level is 80 mm Hg, what is the pressure at the height of the head, which is 0.30 m above the heart? Ignore any pressure drop due to the viscosity of the blood.
Case 1 – New data set: ABP = 90/60 mm Hg, HR 145 Beats/min, cardiac output...

Case 1 – New data set: ABP = 90/60 mm Hg, HR 145 Beats/min, cardiac output = 3 l/min, CVP = 0 mm Hg, PAP = 30/10 mm Hg, PCWP = 2 mm Hg. Calculate the SV and fill in the table below and answer the question below. Mean arterial pressure (MAP) mmHg Systemic vascular resistance (SVR) dynes Mean pulmonary artery pressure (PA mean) mmHg Pulmonary vascular resistance (PVR) dynes Stroke volume (SV) ml Regarding Case 1. The cardiac output...
Convert normal blood pressure readings of 120 over 80 mm Hg to Newtons per meter squared...

Convert normal blood pressure readings of 120 over 80 mm Hg to Newtons per meter squared using the relationship for pressure due to the weight of a fluid (P = hρg) rather than a conversion factor. a. Insert the 120 mm Hg b. Insert the 80 mm

A patient with COPD has an arterial blood gas (ABG) content of 65 mm Hg. A...

A patient with COPD has an arterial blood gas (ABG) content of 65 mm Hg. A normal ABG oxygen level ranges between 80 and 100 millimeters of mercury (mm Hg). If you send this patient to the hyperbaric chamber what oxygen pressure do you need to program the machine to bring the ABG content to 90 mm Hg. (assume your patient is the average human) Additional information: The average human has 3 liters of blood. Body temperature is 37 C....
The blood pressure at your heart is approximately 100 mm of Hg. As blood is pumped...

The blood pressure at your heart is approximately 100 mm of Hg. As blood is pumped from the left ventricle of your heart, it flows through the aorta, a single large blood vessel with a diameter of about 2.5 cm. The speed of blood flow in the aorta is about 60 cm/s. Any change in pressure as blood flows in the aorta is due to the change in height: the vessel is large enough that viscous drag is not a...
The normal maximum pressure exerted by a human heart is 120 mm Hg. Calculate the normal...

The normal maximum pressure exerted by a human heart is 120 mm Hg. Calculate the normal maximum pressure exerted in atm and torr. Round each of your answers to 3 significant digits. X 5 ? son

-VIRIS PUNTSU VISIT, his blood pressure was 144/90 mm Hg; at the second visit, his blood...

-VIRIS PUNTSU VISIT, his blood pressure was 144/90 mm Hg; at the second visit, his blood pressure was 154/96 mm Hg. The provider is preparing to start antihypertensive medications. In your small groups, cover the following questions: 1. Marcus tells the nurse, "I don't feel any different with my blood pressure being higher, do I really need medication now?" How should the nurse respond? 2. Discuss nonpharmacologic treatment of hypertension and patient teaching needs. 3. What initial two drugs will...
QUESTION 4 A container of blood is placed 1.0 m above a vein (the venous pressure...

QUESTION 4 A container of blood is placed 1.0 m above a vein (the venous pressure is 2 mm Hg at that point) for blood transfusion. What is the net pressure acting to transfer the blood in vein? . 87.7 mm Hg b.63.7 mm Hg C. 77.7 mm Hg d. 73.7 mm Hg QUESTION 5 The blood pressure is a measure of a. Average volume of blood in the heart b. Force of blood against the arteries C. number of...
Case 3 – New data set: ABP=150/90 mm Hg, HR 90 Beats/min, cardiac output = 4...

Case 3 – New data set: ABP=150/90 mm Hg, HR 90 Beats/min, cardiac output = 4 l/min, CVP = 10 mm Hg, PAP = 25/10 mm Hg, PCWP = 8 mm Hg. Regarding Case 3. The blood pressure is best explained by: Please explain breifly why you chosed your answer. exercise shock elevated contractility hypertension

Case 1- New data set: ABP: 90/60 mm Hg, HR 145 beats/min, cardiac output=3 l/min, CVP=0...

Case 1- New data set: ABP: 90/60 mm Hg, HR 145 beats/min, cardiac output=3 l/min, CVP=0 mm Hg, PAP=30/10 mm Hg, PCWP=2 mm Hg. I calculated that MAP=70 mm Hg, SVR=1866.7 dynes, PA mea=16.7 mm HG, PVR=139.2 dynes, and SV=20.1 ml. I just need help with the conceptual questions: A. How would SV normally respond if venous return increases? (increase, decrease, or nothing) B. What would be the best treatment for the patient? (diuretics, aortic balloon pump, intravenous fluid admin,...