Which of the following is true about veins?
Veins have valves arteries do not
Veins carry blood away from the heart, while arteries carry blood to the heart.
Veins have a smaller diameter lumen than arteries.
Veins are more muscular than arteries.
Veins have valves; arteries do not
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In the diagram, where is the vomer bone?
a) A b) B c) E d) D e) C
Where are germinal centers located?
A. Thymus B. Spleen C. Lymphatics D. Lymph nodes E. Tonsils
Compare the two methods of preparing for ultrasonographic examination. State which method increases the diagnostic quality and lengthens probe life
What will be an ideal response?
Which layer of the digestive tract has a dense irregular connective tissue that surrounds the muscularis mucosae?
A) submucosa B) digestive epithelium C) muscular layer D) lamina propria E) mucosa