[Anatomy] The Thorax quizzes – Part 3 (20 questions)

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[Anatomy] The Thorax quizzes – Part 3 (20 questions)
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Select the one best response to each question!

The azygos vein receives blood from which of the following?

The azygos vein receives blood from the posterior intercostal veins, vertebral venous plexuses, mediastinal veins, esophageal veins, and bronchial veins

 

41. The pericardium does NOT receive blood supply from which of the following?
(A) pericardiacophrenic artery
(B) musculophrenic artery
(C) bronchial arteries
(D) esophageal arteries
(E) pectoral arteries
42. Which of the following is NOT a branch of the right coronary artery?
(A) SA nodal
(B) right marginal
(C) posterior interventricular
(D) AV nodal
(E) circumflex
43. Which of the following is NOT contained in the superior mediastinum?
(A) thymus
(B) great vessels and their branches
(C) azygos and hemiazygos veins
(D) trachea
(E) esophagus
44. The thymus is supplied by which of the following?
(A) anterior intercostal branches of the internal thoracic artery
(B) brachiocephalic artery
(C) posterior intercostal arteries
(D) left common carotid artery
(E) pericardiacophrenic arteries
45. Which of the following is NOT a branch of the aorta in the thorax?
(A) posterior intercostal arteries
(B) inferior phrenic artery
(C) bronchial arteries
(D) esophageal arteries
(E) superior phrenic arteries
46. The posterior mediastinum does NOT include which of the following?
(A) prevertebral muscles
(B) thoracic aorta
(C) thoracic duct
(D) thoracic sympathetic trunks
(E) thoracic splanchnic nerves
47. Which of the following may compress the esophagus?
(A) aortic arch
(B) right main bronchus
(C) left vagus
(D) right brachiocephalic vein
(E) brachiocephalic trunk
48. The azygos vein receives blood from which of the following?
(A) posterior intercostal veins
(B) anterior intercostal veins
(C) left internal jugular vein
(D) anterior jugular vein
(E) lateral thoracic vein
49. The hemiazygos vein does NOT receive blood from which of the following?
(A) left subcostal vein
(B) ascending lumbar veins
(C) inferior three posterior intercostal veins
(D) superior phrenic veins
(E) small mediastinal veins
50. The accessory hemiazygos vein parallels the vertebral column along which vertebral levels?
(A) T1–4
(B) T2–6
(C) T5–8
(D) T8–12
(E) L1–4
51. Which of the following is NOT contained in the anterior mediastinum?
(A) fat
(B) sternopericardial ligaments
(C) branches of internal thoracic vessels
(D) lymphatic vessels
(E) heart
52. Which of the following is NOT part of the sympathetic trunks?
(A) prevertebral ganglia
(B) paravertebral ganglia

(C) ganglion impar
(D) superior cervical ganglia
(E) inferior cervical ganglia

Which of the following does NOT contain synapses for the sympathetic nervous system?
(A) prevertebral ganglia
(B) collateral ganglia
(C) aortic plexus
(D) celiac ganglia
(E) cardiac plexus
54. Which of the following does NOT occur in the sympathetic trunk?
(A) Presynaptic neurons synapse with postsynaptic neurons immediately.
(B) Fibers ascend and synapse.
(C) Fibers descend and synapse.
(D) Presynaptic fibers innervate immediately surrounding blood vessels.
(E) Fibers pass, without synapsing, into a splanchnic nerve.
55. Parasympathetic fibers stimulate secretion by all glands except which of the following?
(A) sweat glands
(B) lacrimal glands
(C) salivary glands
(D) nasal glands
(E) palatine glands
56. Vasoconstriction is sympathetically stimulated with the exception of which arteries?
(A) bronchial arteries
(B) coronary arteries
(C) esophageal arteries
(D) adrenal arteries
(E) renal arteries
57. Which of the following is a result of sympathetic stimulation in the heart?
(A) decrease in the rate and strength of contraction

(B) inhibition of the effect of parasympathetic  system on coronary arteries, allowing them to dilate
(C) production of atrial natriuretic factor
(D) opening and closing of mitral valve
(E) glandular secretion

58. Which of the following is NOT a result of sympathetic stimulation in the lungs?
(A) inhibition of parasympathetic system
(B) bronchodilation
(C) reduced secretion
(D) maximum air exchange
(E) surfactant production
59. Sympathetic fibers of the heart are accompanied by visceral afferent fibers that convey which type of sensation?
(A) reflex
(B) pain
(C) rate information
(D) contraction feedback
(E) pressure sensation
60. The pulmonary plexus contains which of the following?
(A) cell bodies of visceral afferent fibers
(B) cell bodies of postsynaptic sympathetic fibers
(C) cell bodies of postsynaptic parasympathetic fibers
(D) somatic efferent fibers passing on to diaphragm
(E) somatic afferent fibers from diaphragm

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