Home › DHA Nursing Licensing Exam › Anatomy & Physiology › Heart Anatomy › What is the name of the wall that separates the …
What is the name of the wall that separates the two atria?
AThe interventricular septum
BThe atrioventricular septum
CThe septum secundum
DThe interatrial septum
Answer & Solution
Correct answer: D. The interatrial septum
1. The heart's chambers are divided by named septa.
2. Between the two atria lies the interatrial septum.
3. Between the two ventricles is the separate interventricular septum, the main distractor here.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 19 "The Cardiovascular System: The Heart", section 19.1 Heart Anatomy_
Related questions
In the fetus, an opening in the interatrial septum lets blood bypass the pulmonary circuitThe right ventricle pumps its blood into which circuit?The flaps of the atrioventricular valves connect to papillary muscles through which structWhich valve guards the opening between the left atrium and the left ventricle?Blood passing from the right atrium into the right ventricle crosses which valve?The valves lying between the atria and the ventricles are known generically as what?Why must the left ventricle generate much more pressure than the right?The systemic circuit delivers oxygenated blood to which destination?