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With which of the following does the intercostobrachial nerve communicate?
The intercostobrachial nerve communicates with the medial brachial cutaneous nerve
Anterior and posterior intercostals arteries pass between which two layers?
Anterior and posterior intercostal arteries pass between the internal and innermost intercostal muscles
Which of the following do NOT elevate the ribs?
The serratus posterior inferior depresses the ribs
The musculophrenic arteries give rise to which of the following?
The musculophrenic artery gives rise to anterior intercostal arteries for intercostal spaces 7–9
Which of the following is NOT part of the chest?
The chest consists of 12 pairs of ribs, the sternum, costal cartilages, and 12 thoracic vertebrae
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Which of the following structures is located in the left ventricle?
The interior of the left ventricle includes anterior and posterior papillary muscles
Which of the following areas do NOT receive visceral afferent fibers?
Visceral afferent fibers are distributed to bronchial mucosa, bronchial muscles, interalveolar connective tissue, and pulmonary arteries and veins
Anterior and posterior intercostals arteries pass between which two layers?
The musculophrenic artery gives rise to anterior intercostal arteries for intercostal spaces 7–9
Which of the following is correct?
While a person is supine, the arch of the aorta lies superior to the transverse thoracic plane
All of the following statements concerning the pericardium are correct EXCEPT
The fibrous pericardium is attached to the posterior surface of the sternum by the sternopericardial ligaments
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All of the following veins drain into the coronary sinus EXCEPT
The coronary sinus receives the great and small cardiac veins, middle cardiac vein, left posterior ventricular vein, and left marginal vein. The anterior cardiac veins begin over the anterior surface of the right ventricle and cross over the coronary groove to end directly in the right atrium
All of the following statements concerning the sinoatrial node are correct EXCEPT
The SA node is located anterolaterally just deep to the epicardium at the junction of the SVC and right atrium, near the superior end of the sulcus terminalis. The SA node, a small collection of nodal tissue and specialized cardiac muscle fibers, is the pacemaker of the heart. The SA node is supplied by a branch of the right coronary artery in about 60% of individuals
Which of the following does NOT supply the breast with blood?
The breast is supplied by the internal thoracic, lateral thoracic, thoracoacromial, and posterior intercostal arteries
The mammary glands are modified versions of which type of gland?
The mammary glands are modified sweat glands
Which of the following is a special feature of a thoracic vertebra?
Thoracic vertebrae have costal facets or demifacets on their bodies, costal facets on the transverse processes (for the first 9 or 10 thoracic vertebrae), and long spinous processes
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Which of the following is NOT likely to contribute to chest pain?
Chest pain may result from cardiac disease, pulmonary disease, intestinal problems, gallbladder disorders, and musculoskeletal disorders
Which of the following structures is located in the left atrium?
The interior of the left atrium has a largewalled part and a smaller muscular auricle containing pectinate muscles
Which of the following are innervated by dorsal rami?
The levatores costarum are innervated by the dorsal primary rami of C8–T11
Of the bronchopulmonary segments in the superior lobe of the left lung, which two are combined to form the lingula?
The superior and inferior bronchopulmonary segments of the superior lobe of the left lung combine to form the lingula
Sympathetic nerves do NOT contribute to which of the following?
The diaphragm receives somatic efferent and afferent innervation—not sympathetic innervation
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Which of the following is a saddle-type synovial joint?
The sternoclavicular joint is a saddle-type synovial joint
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