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Select the one best response to each question!
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
|21. All of the following statements concerning the pericardium are correct EXCEPT
(A) The external layer of the sac is fibrous.
(B) The internal layer is reflected onto the heart as the visceral serous layer (epicardium).
(C) The internal layer of the fibrous sac is the partietal serous layer.
(D) The pericardial cavity is the potential space between the parietal and visceral serous layers.
(E) The fibrous pericardium is attached to the sternum by the pericardiacophrenic ligament.
|22. All of the following veins drain into the coronary sinus EXCEPT
(A) anterior cardiac
(B) small cardiac
(C) middle cardiac
(D) great cardiac
(E) oblique vein of the left atrium
|23. All of the following statements concerning the sinoatrial node are correct EXCEPT
(A) It is located near the superior end of the sulcus terminalis.
(B) It is located at the junction of the superior vena cava and the right atrium.
(C) It is known as the pacemaker of the heart.
(D) It is specialized cardiac muscle fiber.
(E) It is avascular.
|24. Which of the following structures is located in the left ventricle?
(A) fossa ovalis
(B) crista terminalis
(C) opening of the coronary sinus
(D) conus arteriosus
(E) posterior papillary muscle
|25. Which of the following structures is located in the left atrium?
(A) pectinate muscle
(B) pulmonary semilunar valves
(C) septomarginal trabeculae
(D) septal papillary muscle
(E) atrioventricular node
|26. Which of the following is NOT part of the chest?
(A) 12 pairs of ribs
(C) costal cartilages
(D) 12 thoracic vertebrae
|27. Which of the following is NOT likely to contribute to chest pain?
(A) cardiac disease
(B) pulmonary disease
(C) thyroid disorders
(D) gallbladder disorders
(E) intestinal disorders
|28. Which of the following is a special feature of a thoracic vertebra?
(A) foramen for vertebral artery
(B) dens for rotation
(C) short spinous processes
(D) costal facets on bodies
(E) costal facets on spinous processes
|29. Which of the following is a saddle-type synovial joint?
(A) sternoclavicular joint
(B) manubriosternal joint
(C) interchondral joint
(D) intervertebral joint
(E) costochondral joint
|30. The mammary glands are modified versions of which type of gland?
(A) sebaceous gland
(B) lymph gland
(C) sweat gland
(D) tonsillar tissue
(E) endocrine gland
|31. Which of the following does NOT supply the breast with blood?
(A) lateral thoracic artery
(B) thoracoacromial artery
(C) posterior intercostals arteries
(D) internal thoracic artery
(E) costoclavicular artery
|32. Which of the following are innervated by dorsal rami?
(A) levatores costarum
(B) external intercostals
(C) internal intercostals
|33. Which of the following do NOT elevate the ribs?
(A) serratus posterior superior
(B) serratus posterior inferior
(C) external intercostals
(D) levatores costarum
|34. With which of the following does the intercostobrachial nerve communicate?
(A) medial brachial cutaneous nerve
(B) thoracodorsal nerve
(C) long thoracic nerve
(D) first intercostal nerve
(E) sympathetic trunk
|35. The musculophrenic arteries give rise to which of the following?
(A) anterior intercostal arteries for intercostal spaces 7–9
(B) posterior intercostals arteries for intercostal spaces 3–11
(C) subcostal artery
(D) inferior phrenic artery
(E) lumbar arteries
|36. Anterior and posterior intercostals arteries pass between which two layers?
(A) skin and external intercostal muscles
(B) external and internal intercostal muscles
(C) internal and innermost intercostals muscles
(D) innermost intercostal muscles and transversalis fascia
(E) transversalis fascia and peritoneum
|37. Of the bronchopulmonary segments in the superior lobe of the left lung, which two are combined to form the lingula?
(A) apical and posterior
(B) posterior and anterior
(C) anterior and superior
|38. Which of the following areas do NOT receive visceral afferent fibers?
(A) bronchial mucosa
(B) bronchial muscles
(C) interalveolar connective tissue
(D) pulmonary arteries and veins
|39. Sympathetic nerves do NOT contribute to which of the following?
(B) bronchial muscle
(C) pulmonary vessels
(D) alveolar glands of the bronchial tree
(E) sweat glands of the chest
|40. Which of the following is correct?
(A) While a person is supine, the arch of the aorta lies superior to the transverse thoracic plane.
(B) While a person is supine, the bifurcation of the trachea lies at the level of the xiphisternal junction and T9.
(C) While a person is supine, the central tendon of the diaphragm is transected by the transverse thoracic plane.
(D) While a person is standing, the arch of the aorta lies inferior to the transverse thoracic plane.
(E) While a person is standing, the tracheal bifurcation is transected by the transverse thoracic plane.