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USMLE/COMLEX Step 1 Anatomy One Liners
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Subjects
:
health-sciences
,
usmle-step-1
,
comlex
Instructions:
Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Structure that opens into superior meatus of nasal cavity
Posterior ethmoid sinus
Ovarian and round Ligament
Hepatorenal recess
Fibularis longus and brevis
2. Chief structures that traverse internal acoustic meatus
Phrenic nerve
Ribs 9-11
Median nerve
CN VII and VIII
3. Two major components of levator ani
Sural (S1)
Intercostal nerve
Left renal vein - duodenum
Pubococcygeus and Iliococcygeus
4. Innervation of carotid sinus and carotid body
Stylopharyngeus
CN IX - CN X
C5 and C6
L4
5. Specific nerve that elicits secretion from submandibular gland
Aponeurosis of external Oblique
Vagal trunks
Lingual
Chorda tympani
6. Spinal levels of least splanchnic nerve
Anterverted - anteflexed
Phrenic + intercostal
T12
L4
7. Name of fracture of distal radius that produces 'dinner fork' appearance
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8. Nerve at risk when performing thyroidectomy
Recurrent branch of Median
Both left and right recurrent laryngeal nerves
TV4-5
Medial umbilical ligaments
9. Nerve injured with fracture of surgical neck of humerus
Pectinate line
L4
Axillary
Vertebral artery
10. Most frequently fracture carpal bone
Ulnar
CN X
Wider diameter - shorter and more vertical
Scaphoid
11. Medial boundary of femoral ring
Lacunar ligament
Inferior and posterior
Indirect inguinal
Frontal - maxillary - anterior and middle ethmoid
12. Vertebral level for formation of IVC
L5
Auriculotemporal - CN X
Ipsilateral CN XII
CN V3
13. Innervation of external surface of tympanic membrane
Inferior vena cava
Transverse foramina
Transversalis fascia
Auriculotemporal - CN X
14. Dermatome of thumb
Left bronchus - aorta and Diaphragm
L1
C6
T10-11
15. Muscle that is chief flexor at hip joint
Falciform ligament
Iliopsoas
Bronchodilation - Vasoconstriction
L4
16. Type of hernia that enters deep inguinal ring
Indirect inguinal
Superficial fibular
Temporalis
8th rib
17. Nerve potentially injured with tonsillectomy
Tarsal
Auditory tube - levator veli Palatini
CN IX
C5 and C6
18. Type of hernia that protrudes through Hesselbach's triangle
Internal laryngeal nerve - superior laryngeal artery
Direct inguinal
L3
Tensor veli palatini
19. Blood supply to stomach
T10
T10
Right and left gastroepiploics - right - left and short gastric
Genioglossus
20. Foramen where CN VII exits skull
Stylomastoid foramen
Suboccipital nerve
Superior vena cava
C5 and C6
21. Ligament which limits skull rotation
Alar
Plantar calcaneonavicular (spring)
8th rib
Scaphoid
22. Innervation of costal pleura
Fascia of obturator Internus
Intercostal nerve
Obturator - tibial portion of Sciatic
Superficial inguinal
23. Innervation to nail bed of middle finger
Median nerve
Bulbospongiosus
Trapezius and serratus anterior
Cristae terminalis
24. Level where arch of aorta is continuous with descending aorta
Lunate
L5
Recurrent laryngeal
TV4-5
25. Nerve injured with fracture of medial humeral epicondyle
CN X
Lunate
CN V
Ulnar
26. Vertebral level of aortic bifurcation
Phrenic nerve
L5
Scaphoid
T7 - L1
27. Veins that unite to form portal vein
Superior to 12th rib - posteriorly
Splenic and SMV
Intrinsic hand muscles
8th rib
28. Three distinguishing features of the large intestine
12th rib
Posterior interventricular
Hepatorenal recess
Tenia coli - haustra - epiploic appendages
29. Inferior extent of pleura posteriorly
PPG and submandibular
T10
Recurrent laryngeal
12th rib
30. Sensory nerve to larynx inferior to vocal cords
Recurrent laryngeal
Ureter
External oblique
Left bronchus - aorta and Diaphragm
31. Cutaneous innervation of heel
Tibial
Left 2nd interspace
Pelvic diaphragm
Auriculotemporal
32. Abdominal layer continuous with external spermatic fascia
Auriculotemporal
T12
External oblique
Inferior oblique
33. Site for auscultation of aortic valve
Deep inguinal lymph nodes
SV2
Right 2nd interspace
Lateral cervical
34. Posteiror border of epiploic foramen
Deep inguinal lymph nodes
Median
IVC
T12
35. Major artery to nasal cavity
Stomach - colon - left kidney - tail of pancreas
Wider diameter - shorter and more vertical
Sphenopalatine
Posterior arch of atlas; posterior atlanto - occipital membrane
36. Termination of azygos vein
Fascia of obturator Internus
Aortic stenosis
Superior vena cava
Inferior vena cava
37. Spinal levels of phrenic nerve
C3-5
Superficial and deep perineal - bulbospongiosus - external anal sphincter - pubococcygeus
Auditory tube - levator veli Palatini
Aponeurosis of external Oblique
38. Innervation of mediastinal pleura
Ipsilateral CN XII
Anterior cruciate
Pubococcygeus and Iliococcygeus
Phrenic nerve
39. Effect of parasympathetic nerves on lungs
TV4-5
S1
T5-9
Bronchoconstriction - Vasodilation
40. Structure potentially injured with hysterectomy
CN IX
Right
SMA
Ureter
41. Vertebral level associated with origin of gonadal arteries
Bronchodilation - Vasoconstriction
8th rib
Recurrent branch of Median
L2
42. Vessel located posterior to head of pancreas
L4
Anteversion
Clavicle
IVC
43. Thoracic structures that can compress the esophagus
Shoulder
Supraspinatus
L3
Left bronchus - aorta and Diaphragm
44. Afferent - efferent limbs of cough reflex
sixth
Left atrium
CN X - CN X
Deep inguinal
45. Structure that form floor of inguinal canal
Inguinal ligament
Deep inguinal
Temporalis
Internal iliac - IM
46. Major structure of deep perineal space
S1
Sphincter urethrae
Suspensory ligament of Ovary
Biceps brachii
47. Site of aspirated lodged fishbone
Piriform recess
Phrenic + intercostal
Lacunar ligament
Otic
48. Structures that opens into inferior meatus of nasal cavity
Femoral artery and vein
conus arteriosum or infundibulum
Kyphosis
Nasolacrimal duct
49. Spinal nerve affected with herniated disc at L3/L4
CV3
Gynecoid
L4
C3-5
50. Muscle attached to disc of TMJ
Anterior longitudinal
Lateral pterygoid
Anterior cruciate
Right and left Brachiocephalic
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