From the left ventricle, blood is pushed into which vessel?
pulmonary veins
superior vena cava
pulmonary trunk
aorta
The Correct Answer is D
A. Pulmonary veins: pulmonary veins carry oxygenated blood from the lungs into the left atrium, not out of the left ventricle.
B. Superior vena cava: the superior vena cava returns deoxygenated blood from the upper body to the right atrium, not from the left ventricle.
C. Pulmonary trunk: the pulmonary trunk arises from the right ventricle and carries deoxygenated blood to the lungs.
D. Aorta: the aorta is the large artery that emerges from the left ventricle and distributes oxygenated blood to the systemic circulation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Submucosa: submucosa is connective tissue containing blood/lymph vessels and glands, not the epithelial lining.
B. Muscularis: muscularis is smooth muscle (inner circular/outer longitudinal layers) responsible for peristalsis, not epithelial.
C. Mucosa: the mucosa includes the epithelial lining, lamina propria, and may contain folds and mucus-secreting glands (e.g., gastric mucosa).
D. Serosa: serosa is the outermost connective tissue/mesothelial covering of the gut, not the epithelial absorptive/secreting layer.
Correct Answer is {"dropdown-group-1":"B"}
Explanation
Correct answer: Esophagus
The esophagus is the muscular alimentary tube that runs posterior to the trachea from the pharynx to the stomach; a tube positioned behind the heart/sternum on the model marked X corresponds to the esophagus.
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