{"id":118754,"date":"2023-09-05T20:38:42","date_gmt":"2023-09-05T20:38:42","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=118754"},"modified":"2023-09-05T20:38:44","modified_gmt":"2023-09-05T20:38:44","slug":"usmle-step-1-questions-and-answers-full-test-bank-with-complete-solution","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2023\/09\/05\/usmle-step-1-questions-and-answers-full-test-bank-with-complete-solution\/","title":{"rendered":"USMLE Step 1 Questions and Answers Full Test Bank with complete solution"},"content":{"rendered":"\n
    \n
  1. What gland is found in the muscular triangle of the neck? – Correct answer Thyroid
    gland<\/li>\n\n\n\n
  2. 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.<\/li>\n\n\n\n
  3. 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<\/li>\n\n\n\n
  4. Name the laryngeal muscle described by the following: \u2022 Pulls the arytenoids cartilages
    closer to the thyroid, relaxing the vocal ligaments and thereby decreasing the pitch –
    Correct answer Thyroarytenoid muscles<\/li>\n\n\n\n
  5. Name the laryngeal muscle described by the following: \u2022 Tenses the vocal ligaments,
    increasing the distance between the cartilages, thereby increasing the pitch – Correct
    answer Cricothyroid muscles<\/li>\n\n\n\n
  6. Name the laryngeal muscle described by the following: \u2022 Adducts the vocal ligaments,
    closes the air passageway during swallowing, and allows phonation – Correct answer
    Lateral cricoarytenoid muscles<\/li>\n\n\n\n
  7. Name the laryngeal muscle described by the following: \u2022 Only muscle to abduct the
    vocal cords – Correct answer Posterior cricoarytenoid muscles<\/li>\n<\/ol>\n\n\n\n
      \n
    1. Where does the parotid (Stensen’s) duct enter the oral cavity? – Correct answer
      Opposite the second upper molar tooth<\/li>\n\n\n\n
    2. From what aortic arch are the following structures derived? \u2022 Common and internal
      carotid arteries – Correct answer Third aortic arch MS CARD is my mnemonic for the
      aortic arch derivatives<\/li>\n\n\n\n
    3. From what aortic arch are the following structures derived? \u2022 Degenerates – Correct
      answer Fifth MS CARD is my mnemonic for the aortic arch derivatives<\/li>\n\n\n\n
    4. From what aortic arch are the following structures derived? \u2022 Stapes artery – Correct
      answer Second MS CARD is my mnemonic for the aortic arch derivatives<\/li>\n\n\n\n
    5. From what aortic arch are the following structures derived? \u2022 Maxillary artery – Correct
      answer First MS CARD is my mnemonic for the aortic arch derivatives<\/li>\n\n\n\n
    6. From what aortic arch are the following structures derived? \u2022 Arch of the aorta and right
      subclavian artery – Correct answer Fourth MS CARD is my mnemonic for the aortic arch
      derivatives<\/li>\n\n\n\n
    7. From what aortic arch are the following structures derived? \u2022 Right and left pulmonary
      arteries and the ductus arteriosus – Correct answer Sixth MS CARD is my mnemonic for
      the aortic arch derivatives<\/li>\n\n\n\n
    8. 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<\/li>\n\n\n\n
    9. Name the compartment of the lower extremity and the nerve based on its movements.<\/li>\n<\/ol>\n\n\n\n
        \n
      • Adduct the thigh and flex the hip – Correct answer Medial compartment of the thigh,
        obturator nerve<\/li>\n<\/ul>\n\n\n\n
          \n
        1. Name the compartment of the lower extremity and the nerve based on its movements.<\/li>\n<\/ol>\n\n\n\n
            \n
          • Plantar flex the foot, flex the toes, and invert the foot – Correct answer Posterior
            compartment of the leg, tibial nerve<\/li>\n<\/ul>\n\n\n\n
              \n
            1. Name the compartment of the lower extremity and the nerve based on its movements.<\/li>\n<\/ol>\n\n\n\n
                \n
              • Dorsiflex the foot, extend the toes, and invert the foot – Correct answer Anterior
                compartment of the leg, deep peroneal nerve<\/li>\n<\/ul>\n\n\n\n
                  \n
                1. Name the compartment of the lower extremity and the nerve based on its movements.<\/li>\n<\/ol>\n\n\n\n
                    \n
                  • Flex the hip and extend the knee – Correct answer Anterior compartment of the thigh,
                    femoral nerve<\/li>\n<\/ul>\n\n\n\n
                      \n
                    1. Name the compartment of the lower extremity and the nerve based on its movements.<\/li>\n<\/ol>\n\n\n\n
                        \n
                      • Extend the hip and flex the knee – Correct answer Posterior compartment of the thigh,
                        tibial nerve<\/li>\n<\/ul>\n\n\n\n
                          \n
                        1. Name the compartment of the lower extremity and the nerve based on its movements.<\/li>\n<\/ol>\n\n\n\n
                            \n
                          • Plantar flex the foot and evert the foot – Correct answer Lateral compartment of the
                            leg, superficial peroneal nerve<\/li>\n<\/ul>\n\n\n\n
                              \n
                            1. What are the five branches of the posterior cord of the brachial plexus? – Correct
                              answer STARS 1. Upper Subscapularis 2. Thoracodorsal 3. Axillary 4. Radial 5. Lower
                              Subscapularis<\/li>\n\n\n\n
                            2. Name the correct artery. \u2022 The right recurrent laryngeal nerve passes around it. –
                              Correct answer Right brachiocephalic artery<\/li>\n\n\n\n
                            3. Name the correct artery. \u2022 The left recurrent laryngeal nerve passes around it. – Correct
                              answer Arch of the aorta<\/li>\n<\/ol>\n\n\n\n
                                \n
                              1. The inferior mesenteric artery drains into it. – Correct answer The splenic vein<\/li>\n\n\n\n
                              2. Are the quadrate and caudate lobes of the liver functionally part of the left or right
                                lobe? – Correct answer Functionally they are part of the left lobe of the liver because
                                they receive their blood supply from the left hepatic artery. Anatomically they are
                                considered part of the right lobe of the liver.<\/li>\n\n\n\n
                              3. What bones make up the acetabulum? – Correct answer Pubis, ilium, and ischium<\/li>\n\n\n\n
                              4. What is the anatomic positioning of the right and left gastric nerve plexus of the
                                esophagus as they pass through the diaphragm? – Correct answer LARP: Left goes
                                Anterior and Right goes Posterior (because of the rotation of the gut; remember your
                                embryology!)<\/li>\n\n\n\n
                              5. What vessel is lacerated in an epidural hematoma? – Correct answer Middle meningeal
                                artery<\/li>\n\n\n\n
                              6. True or false? Below the arcuate line, all the aponeurotic fibers run anterior to the
                                rectus abdominis. – Correct answer TRUE<\/li>\n\n\n\n
                              7. What ocular muscle \u2022 Adducts the eyeball and is involved in horizontal conjugate gaze? –
                                Correct answer Medial rectus (CN III) (LR6 SO4)3<\/li>\n\n\n\n
                              8. What ocular muscle \u2022 Elevates and adducts the eyeball? – Correct answer Superior
                                rectus (CN III) (LR6 SO4)3<\/li>\n\n\n\n
                              9. What ocular muscle \u2022 Depresses and abducts the eyeball? – Correct answer Superior
                                Oblique (CN IV) (LR6 SO4)3<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-118754","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/118754","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=118754"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/118754\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=118754"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=118754"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=118754"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}