Which of the following is incorrect regarding HFrEF: A it is also referred to as systolic heart failure B the left-ventricular myocardium is very thin and flimsy C it is diagnosed when EF <40% D it most commonly results from chronic hypertension

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Which of the following is incorrect regarding HFrEF:
A
it is also referred to as systolic heart failure
B
the left-ventricular myocardium is very thin
and flimsy
C
it is diagnosed when EF <40%
D
it most commonly results from chronic
hypertension
Transcribed Image Text:Which of the following is incorrect regarding HFrEF: A it is also referred to as systolic heart failure B the left-ventricular myocardium is very thin and flimsy C it is diagnosed when EF <40% D it most commonly results from chronic hypertension
Which of the following statements is correct
regarding the cardiac conduction system:
A
the AV node is the natural pacemaker
B
C
D
internodal fibers conduct signals to the
atrial myocardial cells to contract
the R/L bundle branches are located in the
interatrial septum
the bundle of His sends a signal to the
papillary muscles to contract
Transcribed Image Text:Which of the following statements is correct regarding the cardiac conduction system: A the AV node is the natural pacemaker B C D internodal fibers conduct signals to the atrial myocardial cells to contract the R/L bundle branches are located in the interatrial septum the bundle of His sends a signal to the papillary muscles to contract
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