USMLE STEP 1 COMPREHENSIVE REVIEW PART I
What gland is found in the muscular triangle of the neck? - Thyroid gland
Is an afferent or efferent
... [Show More] 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? - 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 is the name of the spinal cord passing within the subarachnoid space and forming the spinal nerves that exit the lumbar and sacral foramina? - Cauda equina
Name the laryngeal muscle described by the following: • Pulls the arytenoids cartilages closer to the thyroid, relaxing the vocal ligaments and thereby decreasing the pitch - Thyroarytenoid muscles
Name the laryngeal muscle described by the following: • Tenses the vocal ligaments, increasing the distance between the cartilages, thereby increasing the pitch - Cricothyroid muscles
Name the laryngeal muscle described by the following: • Adducts the vocal ligaments, closes the air passageway during swallowing, and allows phonation - Lateral cricoarytenoid muscles
Name the laryngeal muscle described by the following: • Only muscle to abduct the vocal cords - Posterior cricoarytenoid muscles
Where does the parotid (Stensen's) duct enter the oral cavity? - Opposite the second upper molar tooth
From what aortic arch are the following structures derived? • Common and internal carotid arteries - Third aortic arch MS CARD is my mnemonic for the aortic arch derivatives
From what aortic arch are the following structures derived? • Degenerates - Fifth MS CARD is my mnemonic for the aortic arch derivatives
From what aortic arch are the following structures derived? • Stapes artery - Second MS CARD is my mnemonic for the aortic arch derivatives
From what aortic arch are the following structures derived? • Maxillary artery - First MS CARD is my mnemonic for the aortic arch derivatives
From what aortic arch are the following structures derived? • Arch of the aorta and right subclavian artery - Fourth MS CARD is my mnemonic for the aortic arch derivatives
From what aortic arch are the following structures derived? [Show Less]