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. Dependent edema is characterized by swelling in the lower extremities due to gravity and may not always present with pigmentation changes.
B. Stasis ulceration involves ulcerative lesions typically occurring on the lower legs, often associated with venous insufficiency, but the pigmentation alone does not confirm ulceration.
C. Arterial occlusion typically presents with symptoms such as pain, pallor, and decreased pulses, not necessarily with warm skin and brown pigmentation.
D. Venous insufficiency is characterized by symptoms such as warm skin, brown pigmentation around the ankles (due to hemosiderin deposition from blood pooling), and swelling.
Correct Answer is D
Explanation
A. Smoking: Although smoking is a risk factor for cardiovascular diseases and can contribute to thrombosis, it is not the most immediate factor in the context of post-surgical immobility.
B. Hypertension: While hypertension is a significant cardiovascular risk factor, it is less directly related to deep vein thrombosis compared to immobility.
C. Obesity: Obesity can increase the risk of DVT, but immobility, especially after surgery, is a more direct and immediate contributing factor.
D. Immobility: Immobility is a critical factor in the development of deep vein thrombosis, particularly in postoperative clients who may be bedridden or have limited mobility.
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