Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN: 9781337794909
Author: Des Jardins, Terry.
Publisher: Cengage Learning,
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 18, Problem 3RQ
During heavy exercise, the total cardiac output may increase as much as
A. 2-fold
B. 4-fold
C. 6-fold
D. 8-fold
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Heart failure occurs when
a.
the cardiac output is 15 liters per minute when you are watching television
b.
the cardiac output is 5 liters per minute when you are running as fast as you can on the treadmill.
c.
the cardiac outout does not change based on the energy expenditure
d.
all of the above
Which of the following statements about resting heartrate is true?
A
it is highest in elderly individuals because they have the weakest hearts
B
low blood calcium and low blood potassium both increase heartrate
C
the resting heartrate for a fetus is slightly more than double that of a normal adult
D
an above normal resting heart rate is referred to as bradycardia
Acclimatization at high altitude would include
a.increased in contractility of heart and increased ESV.
b.Increased ESV.
c.increase in water loss.
d. Increase in contractility of heart
Chapter 18 Solutions
Cardiopulmonary Anatomy & Physiology
Ch. 18 - Prob. 1RQCh. 18 - 2. The maximum alveolar ventilation generated...Ch. 18 - 3. During heavy exercise, the total cardiac output...Ch. 18 - Prob. 4RQCh. 18 - Prob. 5RQCh. 18 - Prob. 6RQCh. 18 - During exercise, the oxygen consumption (VO2) of...Ch. 18 - During very heavy exercise, the 1. pH increases 2....Ch. 18 - 9. During maximum exercise, the oxygen diffusion...Ch. 18 - During exercise, the P(A=a)O2 begins to increase...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- In a healthy young adult, what happens to cardiacoutput when heart rate increases above 160 bpm?a. It increases.b. It decreases.c. It remains constant.d. There is no way to predictarrow_forwardAn increase in mean arterial pressure can result froma. an increase in peripheral resistance.b. an increase in heart rate.c. an increase in stroke volume.d. All of these are correctarrow_forwardA patient has been in a serious car accident and is hemorrhaging. Which of the following changes would be seen in this patient? a. a decrease in stroke volume b. an increase in heart rate c. a possible decrease in cardiac output d. All of these are correct.arrow_forward
- Standing for a prolonged period of time can cause ... a. Decline in venous return b. A drop in cardiac output c. A drop in mean arterial pressure d. All of these changes can happen from prolonged standingarrow_forwarderythropoietin release in the body happens when an individual is at high altitude. It results in a. Changes in fluid balance b. An increased RBC count c. Increased tidal volume d. increased cardiac outputarrow_forwardA patient hospitalised with aortic stenosis has activity intolerance related to insufficient oxygen due to decreased cardiac output. An appropriate nursing intervention for this patient is to: Select one: a. Progressively increase activity to increase cardiac tolerance b. Maintain on bed rest to reduce tissue oxygen demands c. Monitor electrocardiography to assess cardiac output d. Use a Semi-Fowler position to decrease venous return and increase respiratory excursionarrow_forward
- There is reduced blood flow to tissues and organs in cardiogenic shock. What is the main cause of this reduced blood flow? Question 4 options: a) A decrease in systemic vascular resistance b) A reduction in preload c) A reduction in cardiac output d) The loss of sympathetic tonearrow_forwardbelow are a number of scenarios. Please determine and explain how each will impact cardiac output. A. Increase in ionotropic agents B. increase in body temperature C. hypercalcaemiaarrow_forwardContraction of the smooth muscle layers of the arterioles a. increases the frictional resistance to blood flow. b. may be a way of increasing heat exchange through the skin. c. can increase blood flow to an organ. d. All of the choices are correct.arrow_forward
- A blood pressure reading of 145/90 indicatesa. normal blood pressure.b. hypertension.c. hypotension.arrow_forwardAnna is 18 years old, and her resting heart rate is 70 bpm. What is her target heart rate reserve with an exercise intensity of 70%? a. 173 b. 170 c. 166 d. 162arrow_forwardRefer to the table above. Patient A exhibits normal, healthy values at rest. Given the EDV and CO in patient E, what would you predict about this patient? A. This patient would have an ESV under 80 B. Two choices are true C. This patient is in diastolic heart failure D. This patient is an exercise trained individual E. Three choices are truearrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Cardiopulmonary Anatomy & PhysiologyBiologyISBN:9781337794909Author:Des Jardins, Terry.Publisher:Cengage Learning,
Essentials of Pharmacology for Health ProfessionsNursingISBN:9781305441620Author:WOODROWPublisher:Cengage
Cardiopulmonary Anatomy & Physiology
Biology
ISBN:9781337794909
Author:Des Jardins, Terry.
Publisher:Cengage Learning,
Essentials of Pharmacology for Health Professions
Nursing
ISBN:9781305441620
Author:WOODROW
Publisher:Cengage
KINE 2310-Chapter 4: Philosophy of Physical Activity; Author: HBU Online Course Development;https://www.youtube.com/watch?v=8Ky6t3nvP_4;License: Standard youtube license