After teaching a group of students about blood flow through the heart, the instructor determines that the teaching was successful when the students state that after being received by the atria, the blood goes to which of the following?
Chordae tendineae
Precordium
Ventricles
Semilunar valves
The Correct Answer is C
C. Ventricles: After blood is received by the atria, it flows through the atrioventricular (AV) valves into the ventricles.
A. Chordae tendineae: These are the tendinous cords that anchor the AV valves but are not the structures where blood flows.
B. Precordium: This term refers to the area of the chest wall over the heart, not a chamber of the heart where blood flows.
D. Semilunar valves: These valves are located between the ventricles and the arteries (pulmonary and aortic) and are not the immediate next location for blood after the atria.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Ventricular repolarization is represented by the T wave on an EKG.
B. Left arterial pressure is not represented by any specific EKG waveform.
C. Ventricular depolarization is represented by the QRS complex on an EKG.
D. The P wave represents atrial depolarization, which is the electrical activity that initiates atrial contraction.
Correct Answer is B
Explanation
A. Systolic murmur: Systolic murmurs occur during systole and include conditions like aortic stenosis or mitral regurgitation.
B. Diastolic murmur: Aortic insufficiency/regurgitation occurs during diastole when the aortic valve fails to close properly, allowing blood to flow back into the left ventricle.
C. Absent murmur: Aortic insufficiency/regurgitation is not classified as absent; it is detectable with auscultation.
D. Very faint murmur: Although aortic regurgitation murmurs can vary in intensity, the classification pertains to the timing of the murmur, not its loudness.
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