Human Anatomy: Unit 4

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The subdivisions of the circulatory system are the _____, which carries blood to and from the lungs, and the _____, which carries blood to and from all other parts of the body.<br> <input type="radio" name="q1" value="venous circuit, arterial circuit">venous circuit, arterial circuit<br> <input type="radio" name="q1" value="pulmonary circuit, systemic circuit">pulmonary circuit, systemic circuit<br> <input type="radio" name="q1" value="systemic circuit, pulmonary circuit">systemic circuit, pulmonary circuit<br> <input type="radio" name="q1" value="arterial circuit, venous circuit">arterial circuit, venous circuit<br> <p> 2. The right coronary artery follows the coronary sulcus around the heart and branches into:<br> <input type="radio" name="q2" value="the right marginal branch and circumflex branch">the right marginal branch and circumflex branch<br> <input type="radio" name="q2" value="the posterior interventricular branch and circumflex branch">the posterior interventricular branch and circumflex branch<br> <input type="radio" name="q2" value="the anterior interventricular branch and circumflex branch">the anterior interventricular branch and circumflex branch<br> <input type="radio" name="q2" value="the posterior interventricular branch and right marginal branch">the posterior interventricular branch and right marginal branch<br> <p> 3. The border between the atria and the ventricles is a deep groove, the _____, while the boundary lines between the left and right ventricles are shallower depressions, the _____.<br> <input type="radio" name="q3" value="interventricular sulci, coronary sulcus">interventricular sulci, coronary sulcus<br> <input type="radio" name="q3" value="interatrial sulcus, coronary sulci">interatrial sulcus, coronary sulci<br> <input type="radio" name="q3" value="coronary sulcus, interventricular sulci">coronary sulcus, interventricular sulci<br> <input type="radio" name="q3" value="interatrial sulci, interventricular sulcus">interatrial sulci, interventricular sulcus<br> <p> 4. The three arteries that branch from the celiac artery to supply the digestive organs are:<br> <input type="radio" name="q4" value="left gastric, common hepatic, splenic">left gastric, common hepatic, splenic<br> <input type="radio" name="q4" value="common gastric, left splenic, hepatic">common gastric, left splenic, hepatic<br> <input type="radio" name="q4" value="suprarenal, renal, lumbar">suprarenal, renal, lumbar<br> <input type="radio" name="q4" value="superior mesenteric, inferior mesenteric, splenic">superior mesenteric, inferior mesenteric, splenic<br> <p> 5. What would happen if the papillary muscles failed to contract?<br> <input type="radio" name="q5" value="the ventricles would not pump blood">the ventricles would not pump blood<br> <input type="radio" name="q5" value="blood would not enter the atria">blood would not enter the atria<br> <input type="radio" name="q5" value="the semilunar valves would not open">the semilunar valves would not open<br> <input type="radio" name="q5" value="the AV valves would not close properly">the AV valves would not close properly<br> <p> 6. The connective tissue sheath of the _____ functions to stabilize and anchor the blood vessel of which it is a layer.<br> <input type="radio" name="q6" value="tunica externa">tunica externa<br> <input type="radio" name="q6" value="tunica media">tunica media<br> <input type="radio" name="q6" value="tunica intima">tunica intima<br> <input type="radio" name="q6" value="tunica interna">tunica interna<br> <p> 7. The pulmonary circuit begins with the:<br> <input type="radio" name="q7" value="left pulmonary artery">left pulmonary artery<br> <input type="radio" name="q7" value="right pulmonary artery">right pulmonary artery<br> <input type="radio" name="q7" value="right ventricle">right ventricle<br> <input type="radio" name="q7" value="pulmonary trunk">pulmonary trunk<br> <p> 8. The three large, elastic arteries that originate along the aortic arch and that deliver blood to the head, neck, shoulders and upper extremity are the:<br> <input type="radio" name="q8" value="right subclavian, brachiocephalic, left common carotid">right subclavian, brachiocephalic, left common carotid<br> <input type="radio" name="q8" value="brachiocephalic, left subclavian, right subclavian">brachiocephalic, left subclavian, right subclavian<br> <input type="radio" name="q8" value="brachiocephalic, left common carotid, left subclavian">brachiocephalic, left common carotid, left subclavian<br> <input type="radio" name="q8" value="right common carotid, left common carotid, brachiocephalic">right common carotid, left common carotid, brachiocephalic<br> <p> 9. The large blood vessel that collects most of the venous blood from organs located below the level of the diaphragm is the:<br> <input type="radio" name="q9" value="azygos vein">azygos vein<br> <input type="radio" name="q9" value="common iliac">common iliac<br> <input type="radio" name="q9" value="great saphenous vein">great saphenous vein<br> <input type="radio" name="q9" value="inferior vena cava">inferior vena cava<br> <p> 10. Plasma cells are responsible for the production and secretion of:<br> <input type="radio" name="q10" value="large granular lymphocytes">large granular lymphocytes<br> <input type="radio" name="q10" value="immunoglobulins">immunoglobulins<br> <input type="radio" name="q10" value="antibodies">antibodies<br> <input type="radio" name="q10" value="antigens">antigens<br> <p> 11. Which lymphocytes help to regulate and coordinate the immune system?<br> <input type="radio" name="q11" value="cytotoxic T cells and NK cells">cytotoxic T cells and NK cells<br> <input type="radio" name="q11" value="plasma cells">plasma cells<br> <input type="radio" name="q11" value="B cells">B cells<br> <input type="radio" name="q11" value="helper T cells and suppressor T cells">helper T cells and suppressor T cells<br> <p> 12. The inner surface of the thoracic wall is covered by the _____, while the outer surfaces of the lungs are covered by the _____.<br> <input type="radio" name="q12" value="serous pleura, mucous pleura">serous pleura, mucous pleura<br> <input type="radio" name="q12" value="parietal pleura, visceral pleura">parietal pleura, visceral pleura<br> <input type="radio" name="q12" value="thoracic pleura, lobar pleura">thoracic pleura, lobar pleura<br> <input type="radio" name="q12" value="visceral pleura, serous pleura">visceral pleura, serous pleura<br> <p> 13. Which of the following structures are included in the lower respiratory system?<br> <input type="radio" name="q13" value="bronchi, respiratory bronchioles, alveolar sacs, alveoli">bronchi, respiratory bronchioles, alveolar sacs, alveoli<br> <input type="radio" name="q13" value="trachea, lungs, respiratory bronchioles, alveoli">trachea, lungs, respiratory bronchioles, alveoli<br> <input type="radio" name="q13" value="pharynx, larynx, bronchi, lungs">pharynx, larynx, bronchi, lungs<br> <input type="radio" name="q13" value="larynx, trachea, bronchi, lungs">larynx, trachea, bronchi, lungs<br> <p> 14. The following sequence lists veins carrying a drop of blood from the leg to the heart. Which vein is missing? Posterior tibial, popliteal, femoral, common iliac, inferior vena cava.<br> <input type="radio" name="q14" value="deep femoral">deep femoral<br> <input type="radio" name="q14" value="great saphenous">great saphenous<br> <input type="radio" name="q14" value="internal iliac">internal iliac<br> <input type="radio" name="q14" value="external iliac">external iliac<br> <p> 15. The primary function of the lymphatic system is:<br> <input type="radio" name="q15" value="elimination of local variations in interstitial fluid's chemical composition">elimination of local variations in interstitial fluid's chemical composition<br> <input type="radio" name="q15" value="maintenance of normal blood volume">maintenance of normal blood volume<br> <input type="radio" name="q15" value="production, maintenance and distribution of lymphocytes">production, maintenance and distribution of lymphocytes<br> <input type="radio" name="q15" value="all of the above">all of the above<br> <p> 16. Which of the following carry exclusively oxygen-rich blood?<br> <input type="radio" name="q16" value="systemic arteries, systemic veins">systemic arteries, systemic veins<br> <input type="radio" name="q16" value="pulmonary veins, systemic arteries">pulmonary veins, systemic arteries<br> <input type="radio" name="q16" value="pulmonary arteries, systemic arteries">pulmonary arteries, systemic arteries<br> <input type="radio" name="q16" value="pulmonary arteries, pulmonary veins">pulmonary arteries, pulmonary veins<br> <p> 17. Larger lymphatic vessels are like veins in all of the following ways except:<br> <input type="radio" name="q17" value="found in association with blood vessels">found in association with blood vessels<br> <input type="radio" name="q17" value="pressures exceed those in veins">pressures exceed those in veins<br> <input type="radio" name="q17" value="both contain valves">both contain valves<br> <input type="radio" name="q17" value="walls have comparable layers">walls have comparable layers<br> <p> 18. The respiratory system cooperates with the circulatory system to:<br> <input type="radio" name="q18" value="help control body fluid pH">help control body fluid pH<br> <input type="radio" name="q18" value="help regulate blood pressure">help regulate blood pressure<br> <input type="radio" name="q18" value="help regulate blood volume">help regulate blood volume<br> <input type="radio" name="q18" value="all of the above">all of the above<br> <p> 19. The veins draining digestive organs (other than the liver) flow into a network in which a blood vessel connects two capillary beds. This system is known as the:<br> <input type="radio" name="q19" value="renal portal system">renal portal system<br> <input type="radio" name="q19" value="hepatic sinusoids">hepatic sinusoids<br> <input type="radio" name="q19" value="hepatic portal system">hepatic portal system<br> <input type="radio" name="q19" value="anastomosis of veins">anastomosis of veins<br> <p> 20. The pacemaker of the heart:<br> <input type="radio" name="q20" value="is in the atrioventricular (AV) node">is in the atrioventricular (AV) node<br> <input type="radio" name="q20" value="is slowed by stimulation of the vagus nerve">is slowed by stimulation of the vagus nerve<br> <input type="radio" name="q20" value="increases its rate of firing with an increase in body temperature">increases its rate of firing with an increase in body temperature<br> <input type="radio" name="q20" value="both b and c">both b and c<br> <p> 21. In which selection are the pharyngeal region and its lining correctly paired?<br> <input type="radio" name="q21" value="nasopharynx, pseudostratified columnar epithelium">nasopharynx, pseudostratified columnar epithelium<br> <input type="radio" name="q21" value="oropharynx, stratified squamous epithelium">oropharynx, stratified squamous epithelium<br> <input type="radio" name="q21" value="laryngopharynx, stratified squamous epithelium">laryngopharynx, stratified squamous epithelium<br> <input type="radio" name="q21" value="all of the above">all of the above<br> <p> 22. The most important muscles of respiration are:<br> <input type="radio" name="q22" value="external and internal intercostals, scalenes, serratus anterior">external and internal intercostals, scalenes, serratus anterior<br> <input type="radio" name="q22" value="external and internal intercostals, rectus abdominus, abdominal obliques">external and internal intercostals, rectus abdominus, abdominal obliques<br> <input type="radio" name="q22" value="external and internal intercostals, diaphragm">external and internal intercostals, diaphragm<br> <input type="radio" name="q22" value="diaphragm, abdominal obliques, rectus abdominus">diaphragm, abdominal obliques, rectus abdominus<br> <p> 23. The strong, tendinous cords called chordae tendinae:<br> <input type="radio" name="q23" value="strengthen the interventricular septum">strengthen the interventricular septum<br> <input type="radio" name="q23" value="prevent the atrioventricular valves from everting">prevent the atrioventricular valves from everting<br> <input type="radio" name="q23" value="form the fibrous skeleton of the heart">form the fibrous skeleton of the heart<br> <input type="radio" name="q23" value="support the pericardium surrounding the heart">support the pericardium surrounding the heart<br> <p> 24. A person's blood pressure is generally taken with a cuff around the humerus where constriction is applied to the:<br> <input type="radio" name="q24" value="subclavian artery">subclavian artery<br> <input type="radio" name="q24" value="ulnar artery">ulnar artery<br> <input type="radio" name="q24" value="brachial artery">brachial artery<br> <input type="radio" name="q24" value="radial artery">radial artery<br> <p> 25. Which of the following represents the correct sequence in which inspired air flows?<br> <input type="radio" name="q25" value="choanae, pharynx, nasal fossae, larynx, trachea, bronchi, lungs">choanae, pharynx, nasal fossae, larynx, trachea, bronchi, lungs<br> <input type="radio" name="q25" value="nasal fossae, pharynx, larynx, choanae, trachea, bronchi, lungs">nasal fossae, pharynx, larynx, choanae, trachea, bronchi, lungs<br> <input type="radio" name="q25" value="nasal fossae, choanae, pharynx, larynx, trachea, bronchi, lungs">nasal fossae, choanae, pharynx, larynx, trachea, bronchi, lungs<br> <input type="radio" name="q25" value="choanae, nasal fossae, larynx, pharynx, trachea, bronchi, lungs">choanae, nasal fossae, larynx, pharynx, trachea, bronchi, lungs<br> <p> 26. The functional units of the respiratory system where gas exchange occurs are the:<br> <input type="radio" name="q26" value="alveoli">alveoli<br> <input type="radio" name="q26" value="terminal bronchioles">terminal bronchioles<br> <input type="radio" name="q26" value="pulmonary vessels">pulmonary vessels<br> <input type="radio" name="q26" value="lungs">lungs<br> <p> 27. The region where a bronchus and pulmonary vessel enter and exit the lungs is called:<br> <input type="radio" name="q27" value="the cupola">the cupola<br> <input type="radio" name="q27" value="the hilum">the hilum<br> <input type="radio" name="q27" value="the apex">the apex<br> <input type="radio" name="q27" value="the capsule">the capsule<br> <p> 28. The vocal chords are attached to the:<br> <input type="radio" name="q28" value="cricoid and thyroid cartilages">cricoid and thyroid cartilages<br> <input type="radio" name="q28" value="cuneiform and cricoid cartilages">cuneiform and cricoid cartilages<br> <input type="radio" name="q28" value="corniculate and thryoid cartilages">corniculate and thryoid cartilages<br> <input type="radio" name="q28" value="arytenoid and thryoid cartilages">arytenoid and thryoid cartilages<br> <p> 29. Which of the following does not branch off of the abdominal aorta?<br> <input type="radio" name="q29" value="the coronaries">the coronaries<br> <input type="radio" name="q29" value="the superior mesenteric artery">the superior mesenteric artery<br> <input type="radio" name="q29" value="the renal artery">the renal artery<br> <input type="radio" name="q29" value="the celiac artery">the celiac artery<br> <p> 30. At any given moment, which cardiovascular components contain the most blood?<br> <input type="radio" name="q30" value="all capillaries and arterioles">all capillaries and arterioles<br> <input type="radio" name="q30" value="the systemic veins and venules">the systemic veins and venules<br> <input type="radio" name="q30" value="the entire pulmonary circuit">the entire pulmonary circuit<br> <input type="radio" name="q30" value="the heart and systemic arteries">the heart and systemic arteries<br> <p> 31. Which selection lists the major components of the lymphatic system?<br> <input type="radio" name="q31" value="spleen, thymus, tonsils">spleen, thymus, tonsils<br> <input type="radio" name="q31" value="lymph, lymphatic vessels, lymphatic tissues and organs">lymph, lymphatic vessels, lymphatic tissues and organs<br> <input type="radio" name="q31" value="lymphocytes, lymph, lymph nodes">lymphocytes, lymph, lymph nodes<br> <input type="radio" name="q31" value="thoracic duct, right lymphatic duct, lymph">thoracic duct, right lymphatic duct, lymph<br> <p> 32. The blood vessels whose histological structure permits a two-way exchange of substances between blood and body cells are the:<br> <input type="radio" name="q32" value="capillaries">capillaries<br> <input type="radio" name="q32" value="arterioles">arterioles<br> <input type="radio" name="q32" value="venules">venules<br> <input type="radio" name="q32" value="all of the above">all of the above<br> <p> 33. Venous blood from the tissues and organs of the head, neck, chest, shoulders and upper extremities is received by the:<br> <input type="radio" name="q33" value="jugular veins">jugular veins<br> <input type="radio" name="q33" value="subclavian veins">subclavian veins<br> <input type="radio" name="q33" value="superior vena cava">superior vena cava<br> <input type="radio" name="q33" value="inferior vena cava">inferior vena cava<br> <p> 34. Of the following, which is NOT one of the great vessels of the heart?<br> <input type="radio" name="q34" value="pulmonary arteries">pulmonary arteries<br> <input type="radio" name="q34" value="coronary arteries">coronary arteries<br> <input type="radio" name="q34" value="superior vena cava">superior vena cava<br> <input type="radio" name="q34" value="pulmonary veins">pulmonary veins<br> <p> 35. Which of the following statements is FALSE concerning the right atrium?<br> <input type="radio" name="q35" value="it receives venous blood through three openings">it receives venous blood through three openings<br> <input type="radio" name="q35" value="the sinoatrial node is contained within the posterior wall">the sinoatrial node is contained within the posterior wall<br> <input type="radio" name="q35" value="when contracted, it empties across the tricuspid valve into the right ventricle">when contracted, it empties across the tricuspid valve into the right ventricle<br> <input type="radio" name="q35" value="all of the above">all of the above<br> <p> 36. The most common site for taking a person's pulse is the:<br> <input type="radio" name="q36" value="radial artery">radial artery<br> <input type="radio" name="q36" value="median artery">median artery<br> <input type="radio" name="q36" value="carotid artery">carotid artery<br> <input type="radio" name="q36" value="brachial artery">brachial artery<br> <p> 37. The most common site for taking blood samples is the:<br> <input type="radio" name="q37" value="brachial vein">brachial vein<br> <input type="radio" name="q37" value="ulnar vein">ulnar vein<br> <input type="radio" name="q37" value="median cubital vein">median cubital vein<br> <input type="radio" name="q37" value="brachial artery">brachial artery<br> <p> 38. Which of the following is NOT a function of the lymphatic system?<br> <input type="radio" name="q38" value="transports interstitial fluid back to the bloodstream">transports interstitial fluid back to the bloodstream<br> <input type="radio" name="q38" value="transports absorbed fats from the intestine to the blood">transports absorbed fats from the intestine to the blood<br> <input type="radio" name="q38" value="provides immunological defenses">provides immunological defenses<br> <input type="radio" name="q38" value="filters metabolic waste">filters metabolic waste<br> <p> 39. Which of the following is not characteristic of the internal carotid arteries?<br> <input type="radio" name="q39" value="ascend to level of optic nerve and branch into three large arteries serving the eyes and brain">ascend to level of optic nerve and branch into three large arteries serving the eyes and brain<br> <input type="radio" name="q39" value="deliver blood to the brain">deliver blood to the brain<br> <input type="radio" name="q39" value="enter skull through the carotid foramina of the temporal bone">enter skull through the carotid foramina of the temporal bone<br> <input type="radio" name="q39" value="supply structures of the neck, pharynx, larynx, lowerjaw and face">supply structures of the neck, pharynx, larynx, lowerjaw and face<br> <p> 40. The way in which arteries of the pulmonary circuit differ from those of the systemic circuit is that:<br> <input type="radio" name="q40" value="there is no difference">there is no difference<br> <input type="radio" name="q40" value="they carry deoxygenated blood">they carry deoxygenated blood<br> <input type="radio" name="q40" value="they have a thicker tunica media">they have a thicker tunica media<br> <input type="radio" name="q40" value="they carry a greater proportion of the blood volume">they carry a greater proportion of the blood volume<br> <p> <input type="button" value="Get score" onClick="getScore(this.form)"> <input type="reset" value="Clear"><p> Score = <input type=text size=15 name="percentage"><br> Correct answers:<br> <textarea name="solutions" wrap="virtual" rows="4" cols="40"></textarea> </form> </body></html>  </div> <bR> <bR> <DIV ALIGN="LEFT"></DIV> <div> <A HREF="id165.htm" TARGET="_top" TITLE="Human Anatomy: Unit 3"><U><IMG SRC="5351d210.gif" border=0 width="29" height="33" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A>                    <A HREF="id167.htm" TARGET="_top" TITLE="Human Anatomy: Unit 5"><U><IMG SRC="5361d210.gif" border=0 width="29" height="33" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> <div>     <A HREF="id165.htm" TARGET="_top" TITLE="Human Anatomy: Unit 3"><U>Previous</U></A>            <A HREF="id167.htm" TARGET="_top" TITLE="Human Anatomy: Unit 5"><U>Next Test</U></A></div> <bR> <DIV ALIGN="LEFT"></DIV> <div>   <A HREF="#top" TITLE="Human Anatomy: Unit 4"><U>Return to the top</U></A></div> <bR> <bR> <bR> <div> <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="526" BORDERCOLORLIGHT="#FFCC80" BORDERCOLORDARK="#FFCC80" FRAME="VOID" RULES="NONE" ALIGN="BOTTOM" HSPACE="0" VSPACE="0" BGCOLOR=#FFCC80 > <tR> <tD VALIGN=TOP BGCOLOR=#FFCC80 HEIGHT= 16 WIDTH="526"><IMG BORDER="0" SRC="1x1.gif" HEIGHT="16" ALIGN="bottom" WIDTH="526" HSPACE="0" VSPACE="0"></tD> </tR> </TABLE></div> <bR> <div> Advertisements:</div> <div> <B> <br> <center><a href="http://wwnurse.com/cgi-local/adcredir.pl" target="_top"> <script> document.write('<img src="http://wwnurse.com/cgi-local/adcnet.pl?kcsun33&'+Math.random()+'" border="0" width="468" height="60"></a><br><a href="http://wwnurse.com/cgi-local/adcclick.pl?kcsun33" target="_top"><img src="http://wwnurse.com/NurseLink/images/network.gif" border="0" width="468" height="20"></a>'); </script> </center>   </b></div> <bR> <div> <B>   <table cellpadding=0 cellspacing=0 border=0 width=468><tr> <td align="center"><IFRAME SRC="http://ibg.hitbox.com/ace?id=44313&hb=WQ501024IHZW48EN5" width=468 height=60 marginwidth=0 marginheight=0 frameborder=0 scrolling=no> <a target="_top" href="http://ics.hitbox.com/csr?id="><img src="http://ibg.hitbox.com/ace?id=44313&hb=WQ501024IHZW48EN5&i=n" border=0 width=468 height=60 alt="Click Here"></a></IFRAME></td></tr> <tr><td><A href="http://counter.hitbox.com/a/joinbar.cgi" target="_top"> <IMG SRC="http://hg1.hitbox.com/HG?hc=wf155&l=y&hb=WQ501024IHZW48EN5&cd=1&n=Anatomy4" height=15 width=468 ALT="Click Here!" border=0></A></td></tr></table>    </b></div> </td> </tr><tr> <td valign="top" colspan=2 height=30 BGCOLOR="#FFFFFF" TEXT="#080000"> <div> <B> Copyright </b><B>© 2000-2002 Stephanie Thibeault, The Student Nurse Forum</b></div> <div> <A HREF="id24.htm" TARGET="_top" TITLE="About This Site"><U>About This Site</U></A>     <A HREF="id127.htm" TARGET="_top" TITLE="Privacy"><U>Privacy</U></A>     <A HREF="id128.htm" TARGET="_top" TITLE="Disclaimer"><U>Disclaimer</U></A>     <A HREF="id129.htm" TARGET="_top" TITLE="Copyright"><U>Copyright</U></A>     <A HREF="id130.htm" TARGET="_top" TITLE="Terms Conditions"><U>Terms & Conditions</U></A>     <A HREF="id25.htm" TARGET="_top" TITLE="Contact Us"><U>Contact Us</U></A>    <A HREF="id41.htm" TARGET="_top" TITLE="Site Map"><U>Site Map</U></A></div> <bR> </td> </tr></table></body>