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	ANATOMY 301  			EXAM II 			October 10, 2002

BE SURE TO PUT THE ANSWERS ON THE COMPUTER SHEET

DIRECTIONS:  Choose the one best answer.

_____ 1. A thick tunica media indicates that the blood vessel is a(n):
	A. artery
	B. vein

_____2.	A thick tunica externa or adventitia is characteristic of a(n):
	A. artery
	B. vein

_____3.	The layer of the heart wall equivalent to the tunica media is:
	A. endothelium
	B. myometrium
	C. myocardium
	D.epicardium

_____4.	All arteries of systemic circulation branch from the:
A.	aorta
B.	pulmonary artery
C.	superior vena cava
D.	circle of Willis

_____5.	A thrombus in the first branch of the arch of the aorta would affect the flow of blood to the:
A.	left side of the head and neck
B.	myocardium of the heart
C.	right side of the head and neck and right upper extremity
D.	left upper extremity

_____6.	An obstruction in the inferior vena cava would hamper the return of blood from the:
A.	head and neck
B.	upper limbs
C.	abdomen and pelvis
D.	thorax

_____7.	Which of the following are involved in pulmonary circulation?
A.	superior vena cava, right atrium, and left ventricle
B.	inferior vena cava, right atrium, and left ventricle
C.	right ventricle, pulmonary artery, and left atrium
D.	left ventricle, aorta, and inferior vena cava


_____8.	If a thrombus in the left common carotid artery broke free, into which area of the body might it 
first find its way?
A.	brain
B.	kidneys
C.	lungs
D.	left arm

_____9.	The atria are divided from the ventricles on the external surface of the heart by:
A.	interatrial sulcus
B.	crista terminalis
C.	coronary sulcus
D.	interventricular sulcus
E.	none of the above

_____10. The pacemaker of the heart is the:
A.	A-V node
B.	S-A node
C. 	moderator band
D.	vagus nerve

_____11. In coronary circulation, which vein drains directly into the right atrium?
A.	interventricular vein
B.	coronary sinus
C.	circumflex vein
D.	middle cardiac vein

_____12. The thoracic duct receives lymph from all these areas EXCEPT the:
A.	lower limbs
B.	abdomen
C.	pelvis
D.	right side of the thorax
E.	
_____13. The pleural cavity:
A.	Is a space between the parietal and visceral pericardium.
B.	Is a space filled with oxygenated blood around the lungs.
C.	Is an air filled space around the lungs.
D.	Is a potential space between the parietal and visceral pleura.

_____14. Severance of the spinal cord at or above which level would destroy innervation to the diaphragm 
and cause the person to stop breathing.
A.	T 12
B.	The diaphragm is innervated by the autonomic nervous system and not dependent on 
	an intact spinal cord.
C.	T 8
D.	C 4




_____15. The posterior mediastinum contains the:
A.	azygos vein
B.	thoracic duct
C.	vagus nerves
D.	esophagus
E.	all of the above

_____16. The ____________ artery is the third large branch of the arch of the aorta.
A.	left common carotid
B.	left subclavian
C.	brachiocephalic
D.	right common carotid
E.	right subclavian

_____17. The oxygenated blood supply of the lungs is from which of the following blood vessels?
A.	internal thoracic arteries
B.	bronchial arteries
C.	pulmonary veins
D.	pulmonary arteries

_____18. The blood supply to the intercostal spaces originates posteriorly from the:	
A.	axillary artery
B.	radial artery
C.	descending thoracic aorta
D.	brachiocephalic trunk

_____19. The neurovascular bundle of an intercostals space lies:
A.	between the middle layer and innermost muscle layer
B.	between the external and middle  muscle layer
C.	deep to the innermost muscle layer
D.	superficial to the external intercostals muscle layer

_____20  All of the following statements concerning the pulmonary circulatory system are true EXCEPT:
A.	Two pairs of pulmonary veins are involved
B.	One pair of pulmonary arteries are present
C.	Pulmonary arteries contain oxygenated blood
D.	Pulmonary trunk carries deoxygenated blood

_____21. What structure prevents the passage of food or liquids from the pharynx into the trachea?
A.	nasal conchae
B.	epiglotitis
C.	hard palate
D.	soft palate


_____22. Which of the following adult vessels contains the most richly oxygenated blood?
A.	superior vena cava
B.	pulmonary vein
C.	pulmonary artery
D.	inferior vena cava

_____23. Which of the following fetal vessels contains the most richly oxygenated blood?
A.	superior vena cava
B.	pulmonary vein
C.	pulmonary artery
D.	ductus arteriosus
E.	umbilical vein

_____24. All of the following structures are present in the right atrium of the heart EXCEPT:
A.	opening of superior vena cava
B.	opening of coronary sinus
C.	fossa ovalis
D.	opening of pulmonary  veins

_____25. Which of the following statements about the diaphragm is correct?
A.	It  relaxes and  moves down toward the abdomen during inspiration
B.	It  contracts and moves up toward the thorax during expiration
C.	It. relaxes and moves up toward the thorax during expiration
D	It  contracts and moves down toward the abdomen during expiration

_____ 26. What structure is not part of the larynx?
A.	epiglottis 
B.	Eustacian tube
C.	thyroid cartilage
D.	cricoid cartilage

_____ 27. What is the boundary between the nasal pharynx and the oral pharynx?
A.	nasal conchae
B.	epiglottis
C.	hard palate
D.	soft palate

_____ 28. Both the thoracic duct and the right lymphatic duct empty directly into the 
A.	superior vena cava
B.	inferior vena cava
C.	subclavian arteries
D.	subclavian veins

_____ 29. Adenoids located in the nasopharyx are also called:
A.	sublingual tonsils
B.	palatine tonsils
C.	lingual tonsils
D.	pharyngeal tonsils

_____ 30. Which of the following is NOT true about the lungs?
A.	They are covered by visceral pleura
B.	They receive air by way of  primary bronchi
C.	They are located in the mediastinum
D.	They are divided into lobes

_____ 31. The opening of the Eustachian (auditory) tube is located  in the:
A.	oropharynx
B.	larynx
C.	nasopharynx
D.	laryngopharynx


_____ 34. Which organ is NOT a lymphoid organ?
	A. spleen
	B. gall bladder
	C. thymus
	D. tonsil

_____ 35. Lymph from the left side of the head, neck, chest, left arm, abdomen, and from both legs:
	A. drains into the thoracic duct
	B. filters first through the  spleen
	C. returns directly to the vascular system through the left carotid vein
	D. flows into the azygos vein

_____ 36. Which of the following is NOT related to the right heart?
	A.  bicuspid valve
	B.  coronary sinus
	C.  pulmonary valve
	D.  SA node

_____ 37. In the fetus, the left atrium receives most of its blood through the:
A. ductus arteriosus
B. foramen ovale
C. fossa ovalis
D. pulmonary artery

_____ 38. The heart valves that are anchored by chordae tendinae include:
A. semilunar valves 
B. atrioventricular valve
C. both types are anchored by chordae tendinae 
D. chordae tendinae are not associated with either valve type

_____ 39 The circumflex artery is a branch of the:
A. right coronary artery 
B. pulmonary trunk
C. common carotid artery 
	D. left coronary artery

_____ 40. Which statement best describes arteries?
A. All carry oxygenated blood to the heart. 
B. All contain valves to prevent the backflow of blood. 
C. All carry blood away from the heart. 
D. Only large arteries are lined with endothelium.

_____ 41. Permitting the exchange of nutrients and gases between the blood and tissue cells is the 
primary function of:
A. capillaries 
B. arteries
C. veins
D. arterioles

_____ 42. Which statement does NOT accurately describe veins?
A. They have less elastic tissue and smooth muscle than arteries.
B. They contain more fibrous tissue than arteries. 
C. Most veins in the extremities have valves. 
D. They always carry deoxygenated blood.


_____ 43. The myocardium receives its blood supply directly from:
A. the aorta
B. the coronary arteries. 
C. the coronary sinus. 
D. the pulmonary arteries.

_____ 44. The epiglottis:
A. prevents aspiration of food into the lower respiratory passages. 
B. is located in the nasopharynx. 
C. is composed of hyaline cartilage. 
D. is active in both alert and comatose people.

_____ 45. Cutting the phrenic nerves will result in:
A. air entering the pleural cavity. 
B. paralysis of the diaphragm. 
C. stimulation of the diaphragmatic reflex. 
D. paralysis of the epiglottis.



Multiple choice
(Questions 52 and 53)  Trace a drop of arterial blood from the aorta to the anterior surface of the heart using 
the following vessels.

A.	left coronary artery
B.	right coronary artery
C.	anterior interventricular branch (LAD)
D.	posterior interventricular branch
E.	coronary sinus

Aorta _ 52._______  _  53 _______  _   Anterior surface of the heart

(Questions 54 through 56) Trace oxygenated blood from the placenta to the fetal heart.

A.	inferior vena cava
B.	ductus venosus
C.	umbilical artery
D.	ductus arteriosus
E.	umbilical vein

Placenta _  54._______  _  55. _______  _   56. _______ _ Atrium of fetal heart


(Questions 57 and 58) Trace a drop of arterial blood from the aorta to the posterior surface of the heart using 
the following vessels.

A.	left coronary artery
B.	right coronary artery
C.	anterior interventricular branch
D.	posterior interventricular branch
E.	coronary sinus

Aorta _  57._______  _  58. _______  _   Posterior surface of the heart



MATCHING
(Questions 59  62)  Match the structure with the correct description.  Mark A, B, C, or D on the answer sheet.
A.	Myocardial infarction
B.	Atherosclerosis
C.	Hypertensive heart disease
D.	Coronary thrombosis

_____ 59. Hardening of an artery, raised plaque on artery wall containing cholesterol and scar tissue

_____ 60. A blood clot which forms on a smaller clot causing a complete blockage of the artery

_____ 61. May occur as a result of high blood pressure

_____ 62. Heart muscle deprived of oxygen becomes permanently damaged