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1. Introduction to Anatomy & Physiology5h 40m
2. Cell Chemistry & Cell Components12h 37m
3. Energy & Cell Processes10h 7m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood1h 22m
18. The Heart1h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance Coming soon
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity Coming soon

19. The Blood Vessels

Arteries

Anatomy & Physiology

19. The Blood Vessels

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Arteries Example 2

Jason Amores Sumpter

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So here we have an example problem that says to label each image below with the type of artery that corresponds best with the size or diameter of the item. And so notice that we've got these 3 items down below: a pencil, hair, and a garden hose, and we need to label them either as elastic artery, muscular artery, or arteriole. Recall from our last lesson video that elastic arteries are going to be the largest of these 3 arteries with the largest diameter. Notice of these 3 objects, it's going to be the garden hose that has the largest diameter. We can label the garden hose as answer option A in order to label it as the elastic artery, and then we can cross off option A.

Now, the pencil is going to have the next largest diameter. Recall that muscular arteries are going to be the medium-sized arteries, and so they are going to have the next largest diameter, which means that we can label this pencil as answer option B, and then cross off option B since the muscular artery is being linked to the pencil.

And then, last but not least, the hair over here is going to be very, very thin with a very thin diameter, and so that's going to match up with the arteriole, which we know is the smallest of the arteries and is going to have the smallest diameter. So we can label the hair as answer option C, and that concludes this example, so I'll see you all in our next video.

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Related Videos

Related Practice

Textbook Question

Identify the major arteries in the following diagram. a. ___ b. ___ c. ___ d. ___ e. ___ f. ___ g. ___ h. ___ i. ___

Textbook Question

The blood vessels that play the most important role in regulating blood pressure and blood flow to a tissue are the (a) arteries, (b) arterioles, (c) veins, (d) venules, (e) capillaries.

Textbook Question

The baroreceptors in the carotid sinus and aortic arch are sensitive to a. a decrease in CO₂ , b. changes in arterial pressure, c. a decrease in O₂, d. all of these.

Textbook Question

The myocardium receives its blood supply directly from the a. aorta, b. coronary arteries, c. coronary sinus, d. pulmonary arteries.

Textbook Question

Using the letters from column B, match the artery descriptions in column A. (Note that some require more than a single choice.) Column A ____ (1) unpaired branch of abdominal aorta ____ (2) second branch of aortic arch ____ 3) branch of internal carotid ____ (4) branch of external carotid ____ (5) origin of femoral arteries Column B a. right common carotid b. superior mesenteric c. left common carotid d. external iliac e. inferior mesenteric f. superficial temporal g. celiac trunk h. facial i. ophthalmic j. internal iliac

Textbook Question

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.

Textbook Question

The unpaired arteries supplying blood to the visceral organs include (a) the adrenal, renal, and lumbar arteries, (b) the iliac, gonadal, and femoral arteries, (c) the celiac and superior and inferior mesenteric arteries, (d) all of these.

Textbook Question

The paired arteries supplying blood to the body wall and other structures outside the abdominopelvic cavity include the (a) left gastric, hepatic, splenic, and phrenic arteries, (b) adrenal, colic, lumbar, and gonadal arteries, (c) iliac, femoral, and lumbar arteries, (d) celiac, left gastric, and superior and inferior mesenteric arteries.

Textbook Question

Distinguish between elastic arteries, muscular arteries, and arterioles relative to location, histology, and functional adaptations.

Textbook Question

A 60-year-old man is unable to walk more than 100 yards without experiencing severe pain in his left leg; the pain is relieved by resting for 5–10 minutes. He is told that the arteries of his leg are becoming occluded with fatty material and is advised to have the sympathetic nerves serving that body region severed. Explain how such surgery might help to relieve this man's problem.

Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

d. Muscular arteries control blood flow at the tissue level.

Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

a. Arteries are the exchange vessels of the cardiovascular system.

Textbook Question

Match the following arteries with the correct description.

____Radial artery

____Celiac trun

____Basilar artery

____Superior mesenteric artery

____Dorsalis pedis artery

____Femoral artery

____Internal iliac artery

____Renal artery

____Internal carotid artery

____Subclavian artery

a. Supplies the small intestine and most of the large intestine

b. Supplies the pelvis

c. Supplies the upper limb

d. Located in the lateral forearm

e. Provides the blood supply to the lower limb

f. Supplies the brain via the anterior and middle cerebral arteries

g. Large single branch off the aorta that supplies the liver, stomach, duodenum, and spleen

h. Supplies the foot and ankle i. Supplies the kidney

j. Forms from the fusion of the two vertebral arteries

Textbook Question

Which of the following is not a common pulse point?

a. Femoral artery

b. Subclavian artery

c. Common carotid artery

d. Brachial artery

Textbook Question

Explain why a severed artery spurts blood, whereas a severed vein merely leaks blood.

Textbook Question

Identify the superficial structures in the following diagram of the heart. a. ___ b. ___ c. ___ d. ___ e. ___ f. ___ g. ___ h. ___

Textbook Question

Fill in the blanks: The coronary arteries are the first branches off the____. The right coronary artery becomes the____on the posterior side of the heart. The left coronary artery branches into the_____and the_______.

Textbook Question

Predict which would be more damaging to long-term survival: a blood clot lodged in the right coronary artery or one in the left coronary artery. Explain.

Textbook Question

Florita Santos, a middle-aged woman, is admitted to the coronary care unit with a diagnosis of left ventricular failure resulting from a myocardial infarction. Her history indicates that she awoke in the middle of the night with severe chest pain. Her skin is pale and cold, and moist sounds are heard over the lower regions of both lungs. Explain how failure of the left ventricle can cause these signs and symptoms.

Textbook Question

Trace one drop of blood from the time it enters the right atrium of the heart until it enters the left atrium. What is this circuit called?

Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

d. The pulmonary circuit delivers blood from the right side of the heart to the lungs to become oxygenated.

Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

c. The tunica media consists of smooth muscle cells innervated by vasomotor nerves.

Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

b. Increased concentrations of carbon dioxide and hydrogen ions and a decreased concentration of oxygen in the interstitial fluid cause local arteriolar constriction.

Textbook Question

Multiple Choice More than one choice may apply. Which of the following are associated with aging? a. Increasing blood pressure b. Weakening of venous valves c. Arteriosclerosis d. Collapse of the ductus arteriosus

Textbook Question

Which cerebral artery is commonly associated with visual processing?

Major arteries of the systemic circulation

Major arteries of the systemic circulation - Part II

Multiple Choice

Which of the following is true when comparing arteries and veins?

Multiple Choice

Which of the following types of blood vessels have the proportionally thickest tunica media of all vessels?

Multiple Choice

An elastic lamina on both sides of the tunica media is a characteristic of __________.

Multiple Choice

What is the protein-rich substance in elastic arteries that contributes to their ability to recoil & maintain blood pressure during diastole?

Multiple Choice

Which type of artery has the thickest tunica media in proportion to the rest of its wall?

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