circulatory system anatomy Q4

would suspect widened mediastinum in chest x-ray, that's ( 6cm upright) and (8cm supine).

thoracic aortic aneurysm.

1- true aneurysm (saccular) one side. 2- true aneurysm (fusiform) both sides. 3- false aneurysm (extravascular connective tissue)

<p>two veins accompanying medium or small artery ( in limb extremities) eg..brachial artery.</p> <p>larger arteries have single vein similar to their size.</p> Signup and view all the answers

<ul> <li> <p>countercurrent heat exchanger; warm arterial blood warms the cooler venous blood before it returns to the heart.</p> </li> <li> <p>arteriovenous pump; atrial contraction would propels venous blood/aid venous return.</p> </li> </ul> Signup and view all the answers

<p>upper limb (head, brain , and neck.</p> Signup and view all the answers

<p>thorax and visor viscera within mediastinum.</p> Signup and view all the answers

<p>brachiocephalic v R/L subclavian v R/L external jugular R/L internal jugular R/L azygos v (R) Hemiazygos v (L) above diaphragm accessory hemiazygos v (kinda parallel to azygous v, above hemiazygos v)</p> Signup and view all the answers

<p>pierces diaphragm at T8-hiatus.</p> Signup and view all the answers

<p>1- part of body's filtration system 2- drains stomach, intestines... 3- passes through liver to flush out toxins.</p> Signup and view all the answers