![]() Left border? - Correct answer Left ventricle and auricle of left atrium 45.The right border? - Correct answer Right atrium 44.What nerve supplies taste sensation to the anterior two-thirds of the tongue? - Correct answer Chorda tympani of CN VII 43. What muscles insert in or on the intertubercular groove of the humerus? - Correct answer "Lady between two Majors": latissimus dorsi, pectoralis major, and teres major 42. Which CNs are found in the midline of the brainstem? - Correct answer CN I, II, III, VI, and XII Add 1 + 1 = 2, 1 + 2 = 3, 1 + 2 + 3 = 6, 1 + 2 + 3 + 6 = 12 41. Is a subdural hematoma an arterial or venous bleed? - Correct answer Subdural hematoma is a rupture of the cerebral veins where they enter the superior sagittal sinus. (Uvula points away from the affected side.) 39. Which direction does the uvula deviate in a left vagus nerve lesion? - Correct answer A left CN X lesion results in the uvula deviating to the right. Which muscles of the eye are under parasympathetic control? - Correct answer Constrictor pupillae and ciliary muscles 38. Depresses and adducts the eyeball? - Correct answer Inferior rectus (CN III) (LR6 SO4)3 37.Abducts the eyeball and is involved in horizontal conjugate gaze? - Correct answer Lateral rectus (CN VI) (LR6 SO4)3 36.Adduct the thigh and flex the hip - Correct answer Medial compartment of the thigh, obturator nerve 35.Name the compartment of the lower extremity and the nerve based on its movements. What abdominal muscle contributes to the anterior layer of the rectus sheath, forms the inguinal ligament, and in men gives rise to the external spermatic fascia of the spermatic cord? - Correct answer External abdominal oblique 16. Right and left pulmonary arteries and the ductus arteriosus - Correct answer Sixth MS CARD is my mnemonic for the aortic arch derivatives 15.From what aortic arch are the following structures derived? Arch of the aorta and right subclavian artery - Correct answer Fourth MS CARD is my mnemonic for the aortic arch derivatives 14.Maxillary artery - Correct answer First MS CARD is my mnemonic for the aortic arch derivatives 13.Stapes artery - Correct answer Second MS CARD is my mnemonic for the aortic arch derivatives 12.Degenerates - Correct answer Fifth MS CARD is my mnemonic for the aortic arch derivatives 11.Common and internal carotid arteries - Correct answer Third aortic arch MS CARD is my mnemonic for the aortic arch derivatives 10.Where does the parotid (Stensen's) duct enter the oral cavity? - Correct answer Opposite the second upper molar tooth 9. Only muscle to abduct the vocal cords - Correct answer Posterior cricoarytenoid muscles 8.Name the laryngeal muscle described by the following: Adducts the vocal ligaments, closes the air passageway during swallowing, and allows phonation - Correct answer Lateral cricoarytenoid muscles 7. ![]() ![]() Tenses the vocal ligaments, increasing the distance between the cartilages, thereby increasing the pitch - Correct answer Cricothyroid muscles 6.Pulls the arytenoids cartilages closer to the thyroid, relaxing the vocal ligaments and thereby decreasing the pitch - Correct answer Thyroarytenoid muscles 5.What is the name of the spinal cord passing within the subarachnoid space and forming the spinal nerves that exit the lumbar and sacral foramina? - Correct answer Cauda equina 4. Is an afferent or efferent pupillary defect described as B/L pupillary constriction when light is shined in the unaffected eye and B/L paradoxical dilation when light is shined in the affected eye? - Correct answer Afferent pupillary defect (CN II lesion) in an efferent pupillary defect (CN III), B/L constrict when light is shined in the unaffected eye and consentual pupil constriction occurs when light is shined in the affected eye. What gland is found in the muscular triangle of the neck? - Correct answer Thyroid gland 2. Download USMLE Step 1 Questions and Answers Full Test Bank with complete solution Verified By Exper and more Exams Nursing in PDF only on Docsity! USMLE Step 1 Questions and Answers Full Test Bank with complete solution Verified By Expert Best Rated 2023 Guaranteed Success Download TO Score A+ 1.
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