Concept explainers
To review:
Match the term external iliac arteries with the most closely related descriptions given below:
deliver blood to the head
transport blood to the body’s skeletal muscles and internal organs
arteries whose smooth muscles do not contract
stationary blood clot
network of capillaries
arteries that supply a capillary network
supply blood to the upper limbs
small air sacs
supply blood to the lower limbs
collect blood from the kidneys
Introduction:
Arteries can be defined as the blood vessels that carry oxygenated blood, the only exception being the pulmonary artery. The last segment of the abdominal aorta divides at vertebra L4 and leads to the formation of right and left iliac arteries and a sacral artery. The external iliac arteries are elastic arteries. The elastic arteries are large blood vessels, which transport blood from the heart. These arteries are a part of iliac arteries that are present in the ilium area of the pelvis.
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HUMAN ANATOMY-ACCESS
- The two arteries formed by the division of the brachiocephalic trunk are the(a) aorta and internal carotid. (b) axillary and brachial. (c) external and internal carotid. (d) common carotid and subclavian.arrow_forwardThe great saphenous vein drains which of the following regions of the body? (A) skin of the lateral leg (B) skin of the medial ankle (C) skin of the lateral ankle (D) A and C (incorrect) (E) B and Carrow_forwardThe obturator vein drains deoxygenated blood from the hip joint and medial thigh into the (A) external iliac vein (B) femoral vein (incorrect) (C) popliteal vein (D) internal iliac vein (E) inferior vena cavaarrow_forward
- Venous blood draining from the scalp covering the back of the head characteristically and directly enters the (A) retromandibular vein (B) internal jugular vein (C) external jugular veinarrow_forwardWhich of the following vessels is bilaterally symmetrical (that is, has an identical member of a pair on either side of the body)? (a) internal carotid artery, (b) brachiocephalic trunk, (c) azygos vein, (d) superior mesenteric vein.arrow_forwardAt the end of ...........,the ventricles are 70% filled.arrow_forward
- Which of the following statements about the azygos vein is true? (a) It is paired. (b) It receives all of the left posterior intercostal veins. (c) It drains into the right brachiocephalic vein. (d) It joins the superior vena ceva.arrow_forwardThe posterior tibial vein receives deoxygenated blood from all of the following regions EXCEPT the (A) bottom of the foot (B) muscles of the lateral compartment of the leg (C) muscles of the posterior compartment of the leg (D) top of the footarrow_forwardUsing the letters from column B, match the artery descriptions in column A. (Note that some require more than a single choice.)arrow_forward
- The vein that collects most of the venous blood from below the diaphragm is the: (a) superior vena cava. (b) great saphenous vein. (c) inferior vena cava. (d) azygos vein.arrow_forwardA blockage in the right internal carotid does not necessarily cause a loss of blood supply to the brain. (a) Identify the area of the brain supplied by the right internal carotid, and name the vessels that would supply blood to this area if there is a blockage in the right internal carotid artery. (b) Is a thrombus in the external carotid life-threatening? Why or why not?arrow_forwardBlood vessels that carry blood away from the heart are called, (a) veins. (b) arterioles. (c) venules. (d) arteries.arrow_forward
- Human Physiology: From Cells to Systems (MindTap ...BiologyISBN:9781285866932Author:Lauralee SherwoodPublisher:Cengage Learning