FREE AND STUDY GAMES ABOUT ANATOMY CH. 20.1 EXAM

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FREE AND STUDY GAMES ABOUT ANATOMY CH. 20.1 EXAM

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Actual Qs and Ans Expert-Verified Explanation

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-Guarantee passing score -53 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Arterial blood pressure is expressed as a ratio, in which the numerator (upper number) is the __ pressure and the denominator (lower number) is the __ pressure. The average adult has a blood pressure of __/__ mm Hg.

Answer:

systolic, diastolic, 120/80 Question 2: The anterior tibial artery crosses over the anterior surface of the ankle where it is renamed the __ __ artery (dorsal artery of the foot).

Answer:

dorsalis pedis Question 3: The great saphenous vein has perforating branches that connect to the deeper veins. If the valves in these veins (or perforating branches) become incompetent, __ veins develop.

Answer:

varicose

Question 4: Contraction of smooth muscle in the tunica media results in __ or narrowing of the blood vessels lumen.

Answer:

vasoconstriction Question 5: __ are the smallest veins. They are companion vessels with arterioles. The smallest __ drain capillaries. Smaller __ merge to form larger __. The largest __ have all three tunics. __ merge to form veins.

Answer:

venules

Question 6: Veins have valves but arteries do not. T or F?

Answer:

true Question 7: The __ sinus also drains into the right atrium, delivering deoxygenated blood from the heart myocardium.

Answer:

coronary

Question 8: Blood vessels transport __, __, and __ __ to and from body tissues.

Answer:

oxygen, nutrients, and waste products Question 9: On the dorsum of the foot a dorsal venous arch drains into the __ __ vein. This originates in the medial ankle and extends adjacent to the medial surface of the entire lower limb before it drains into the femoral vein.

Answer:

great saphenous Question 10: At the superior border of the thyroid cartilage of the larynx, each common carotid artery divides into an __ __ artery, which supplies structures external to the skull and an __ __ artery, which supplies internal skull structures.

Answer:

external carotid, internal carotid

Question 11: The aortic arch curves and projects inferiorly as the __ __ aorta, several branches of which supply the thoracic wall and viscera. This artery extends inferiorly and renamed __ __ aorta, where it supplies the abdominal walls and organs.

Answer:

descending thoracic, descending abdominal Question 12: Capillaries only contain the tunica __ (endothelium). This allows rapid gas and nutrient exchange.

Answer:

intima Question 13: The __ artery travels immediately anterior to the pons and extends many branches prior to subdividing into the posterior cerebral arteries, which supply the posterior portion of the cerebellum.

Answer:

basilar

Question 14: Brachial veins and the basilic vein merge to form the __ vein.

Answer:

axillary Question 15: In the cubital fossa, the brachial artery divides into a __ artery and an __ artery.Both supply the forearm and wrist before they anastomose and form two arterial arches in the palm.

Answer:

radial, ulnar Question 16: blood vessels are often named by body __ or __. They are __ vessels: arteries and veins that travel together.

Answer:

region, bone, companion Question 17: The digital veins and deep and superficial palmar venous arches drain into pairs of __ veins and __ veins that run parallel to arteries of the same name.

Answer:

radial and ulnar

Question 18: Systole is when the heart is contracting (__) and diastole is when the heart is relaxing (__).

Answer:

depolarization, repolarization

Question 19: Vessels are not __; they can change shape with body needs.

Answer:

rigid Question 20: The anterior and posterior tibial veins merge to form the __ vein that curves to the anterior portion of the thigh and is renamed the __ vein. Once this vein passes superior to the inguinal ligament, it is renamed as the __ __ vein.

Answer:

popliteal, femoral, external iliac Question 21: Smallest blood vessels connect __ to __. A group of capillaries function together and form a capillary __.

Answer:

arterioles, venules, bed Question 22: The external and internal iliac veins merge in the pelvis, forming the __ __ vein.Left and right __ __ veins then merge to form the __ __ __.

Answer:

common iliac, common iliac, inferior vena cava Question 23: The __ sublcavian artery emerges directly from the aortic arch, while the __ subclavian artery is a division of the brachiocephalic trunk. Both supply blood to the upper limbs.

Answer:

left, right Question 24: The __ __ artery supplies the left upper limb and some thoracic structures.

Answer:

left subclavian