4. Which of the following statements accurately compares two of the types of chordae tendineae? a. Tertiary chordae tendineae attach to the leaflet margins and prevent marginal prolapse of the leaflet, whereas primary chordae tendineae attach the annulus and base of the posterior leaflet to the papillary muscle. b. Tertiary chordae tendineae anchor the leaflets' ventricular surface to the papillary muscle and relieve tension, whereas secondary chordae tendineae attach the annulus and base of the posterior leaflet to the papillary muscle. c. Secondary chordae tendineae attach to the leaflet margins and prevent marginal prolapse of the leaflet, whereas primary chordae tendineae anchor the leaflets' ventricular surface to the papillary muscle and relieve tension. d. Primary chordae tendineae attach to the leaflet margins and prevent marginal prolapse of the leaflet, whereas secondary chordae tendineae anchor the leaflets' ventricular surface to the papillary muscle and relieve tension.

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
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4. Which of the following statements accurately compares two of the
types of chordae tendineae?
a. Tertiary chordae tendineae attach to the leaflet margins and
prevent marginal prolapse of the leaflet, whereas primary chordae
tendineae attach the annulus and base of the posterior leaflet to
the papillary muscle.
b. Tertiary chordae tendineae anchor the leaflets' ventricular surface
to the papillary muscle and relieve tension, whereas secondary
chordae tendineae attach the annulus and base of the posterior
leaflet to the papillary muscle.
c. Secondary chordae tendineae attach to the leaflet margins and
prevent marginal prolapse of the leaflet, whereas primary chordae
tendineae anchor the leaflets' ventricular surface to the papillary
muscle and relieve tension.
d. Primary chordae tendineae attach to the leaflet margins and
prevent marginal prolapse of the leaflet, whereas secondary
chordae tendineae anchor the leaflets' ventricular surface to the
papillary muscle and relieve tension.
Transcribed Image Text:4. Which of the following statements accurately compares two of the types of chordae tendineae? a. Tertiary chordae tendineae attach to the leaflet margins and prevent marginal prolapse of the leaflet, whereas primary chordae tendineae attach the annulus and base of the posterior leaflet to the papillary muscle. b. Tertiary chordae tendineae anchor the leaflets' ventricular surface to the papillary muscle and relieve tension, whereas secondary chordae tendineae attach the annulus and base of the posterior leaflet to the papillary muscle. c. Secondary chordae tendineae attach to the leaflet margins and prevent marginal prolapse of the leaflet, whereas primary chordae tendineae anchor the leaflets' ventricular surface to the papillary muscle and relieve tension. d. Primary chordae tendineae attach to the leaflet margins and prevent marginal prolapse of the leaflet, whereas secondary chordae tendineae anchor the leaflets' ventricular surface to the papillary muscle and relieve tension.
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