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Test your basic knowledge |
USMLE/COMLEX Step 1 Anatomy One Liners
Start Test
Study First
Subjects
:
health-sciences
,
usmle-step-1
,
comlex
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
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. Nerve at risk when performing thyroidectomy
Recurrent branch of Median
Superficial and deep perineal - bulbospongiosus - external anal sphincter - pubococcygeus
Ulnar and median
Both left and right recurrent laryngeal nerves
2. Most commonly torn tendon of rotator cuff
Supraspinatus
Stomach - colon - left kidney - tail of pancreas
Geniculate
T1 - 2
3. Afferent - efferent limbs of gag reflex
CN IX - CN X
Wider diameter - shorter and more vertical
Vastus medialis
CN V
4. Major vessel that drains the musculature of the heart
Nasolacrimal duct
Ulnar (deep br.)
Deltoid
Coronary sinus
5. Thoracic structures that can compress the esophagus
L1
Left bronchus - aorta and Diaphragm
L4
Pelvic splanchnics (S2-4)
6. Most commonly herniated intervertebral disc
L4-5
Auriculotemporal
Middle meningeal
Fibularis brevis
7. Defective portion of vertebra with spondylolisthesis in cervical area
Hydrocele
Pedicle
Deep fibular
Tibialis anterior and posterior
8. Vessel located posterior to head of pancreas
Pubococcygeus and Iliococcygeus
Deltoid
IVC
Recurrent branch of Median
9. Structure that lies between protrusion sites of direct and indirect hernias
Inferior epigastric artery
sixth
Perineal membrane
L4
10. Inferior extent of dura - arachnoid sac
Tibialis anterior
SV2
CN VII and VIII
CV4 -5
11. Innervation to nail bed of middle finger
Femoral artery and vein
Median nerve
Both left and right recurrent laryngeal nerves
Tibial
12. Major artery to internal structures of head
Maxillary
Trasnversalis fasica
Nasolacrimal duct
8th rib
13. Level where arch of aorta is continuous with descending aorta
IVC
Kiesselbach's plexus
Chorda tympani
TV4-5
14. Chief artery to rectal mucosa
Superior rectal
Scoliosis
Left gastric - common hepatic and splenic
Clavicle
15. Innervation of carotid sinus and carotid body
Anterior belly = CN V Posterior belly = CN VII
Pubococcygeus
Fibularis longus and brevis
CN IX - CN X
16. Site of aspirated lodged fishbone
L4-5
Sphenopalatine
Piriform recess
Left 2nd interspace
17. Nerve to thenar compartment
Phrenic nerve
Ovarian and round Ligament
Recurrent branch of Median
Lateral horn - T1 - 2
18. Nerve potentially injured with tonsillectomy
Geniculate
Edinger - Westphal
CN IX - CN X
CN IX
19. Muscle which compresses the bulb of penis
L4
Radial
Bulbospongiosus
Superficial and deep perineal - bulbospongiosus - external anal sphincter - pubococcygeus
20. Vertebral level of thyroid cartilage
Umbilical region
CV4 -5
Right coronary artery
Posterior cricoarytenoid
21. Inferior border of epiploic foramen
Part one of duodenum
Quadriceps femoris
Right coronary artery
Recurrent laryngeal
22. Artery that determines coronary dominance
Posterior interventricular
T12
Clavicle
Median nerve
23. Site of preganglionic nerve cells that elicits dilation of pupil
Otic
Caudate lobe of liver
Lateral horn - T1 - 2
Pedicle
24. Nerve injured with fracture of surgical neck of humerus
Medial collateral - medial meniscus and anterior cruciate ligament
Axillary
Left gastric - common hepatic and splenic
Deltoid and teres minor
25. Sensory nerve to cornea
Inferior vena cava
CN V1 (nasociliary)
Right ventricle
Brachial plexus - subclavian artery
26. Ridge located between sinus venarum and right ventricle
Second rib
Cristae terminalis
CN X
Left gastric - common hepatic and splenic
27. Structure that limits spread of ascitic fluid in left paracolic gutter
Maxillary
T10
Phrenicocolic ligament
Long thoracic nerve
28. Boundaries of Hesselbach's triangle
Cystic and common Hepatic
Deltoid
Inguinal ligament - rectus abdominis - inferior epigastric artery and vein
CN V
29. Superior extent of right paracolic gutter
Superior to 12th rib - posteriorly
Levator ani + coccygeus
Hepatorenal recess
Radial
30. Means by which piriformis exits pelvis
10th rib
Greater sciatic foramen
Right 2nd interspace
Cricothyroid
31. Sensory nerve to larynx inferior to vocal cords
Anterior longitudinal
Recurrent laryngeal
Popliteus
Vastus medialis
32. Roof of suboccipital triangle
Semispinalis capitis
LV2
L4
Azygos veins - aorta
33. Spinal levels to muscles of anterior abdominal wall
Kiesselbach's plexus
T7 - L1
Femoral artery and vein
Hydrocele
34. Chief invertors of foot
Transverse colon
Inferior and posterior
Tibialis anterior and posterior
Intercostal nerve
35. Inferior extent of lung at midaxillary line
Lunate
8th rib
Superior to 12th rib - posteriorly
Popliteus
36. Floor of suboccipital triangle
Maxillary
Ligamentum flavum
Posterior arch of atlas; posterior atlanto - occipital membrane
Ulnar
37. Structures that course between anterior and middle scalene
T12
Obturator - tibial portion of Sciatic
Part one of duodenum
Brachial plexus - subclavian artery
38. Ligament stretched with 'flat foot' - Subtalar and transverse
Plantar calcaneonavicular (spring)
L1
CV6
Deep fibular
39. Major structure of deep perineal space
C3-5
T4
Sphincter urethrae
L3
40. Innervation of suboccipital muscles
Suboccipital nerve
Greater - lesser and least splanchnic nerves
Posterior arch of atlas; posterior atlanto - occipital membrane
Greater petrosal CN VII
41. Dermatome around nipple
Long thoracic nerve
Transversalis fascia
Bulbospongiosus
T4
42. Type of hernia that enters deep inguinal ring
CN IX
L4-5
Indirect inguinal
Intercostal nerve
43. Autonomic ganglia for CN IX
Otic
Radial
Trasnversalis fasica
Phrenicocolic ligament
44. Remnants of umbilical arteries
T8
Anterior longitudinal
Medial umbilical ligaments
Frontal - maxillary - anterior and middle ethmoid
45. Nerve injured when deviation of protruded tongue
Ansa cervicalis
Supraspinatus
Ipsilateral CN XII
Vastus medialis
46. Last portion of quadriceps femoris to recover following injury
Ansa cervicalis
Vastus medialis
Disc between TV4-5
Left gastric - common hepatic and splenic
47. Innervation of digastric
Anterior belly = CN V Posterior belly = CN VII
Left recurrent laryngeal Nerve
Lesser sciatic foramen
Popliteus
48. Two structures that lies posterior to SMA near its origin
TV7
Disc L3-4
Ulnar (deep br.)
Left renal vein - duodenum
49. Structure that separates pelvis and perineum
TV4-5
Ovarian and round Ligament
CN IX - CN X
Pelvic diaphragm
50. Paralysis of which muscles results in total 'claw' hand
Stylomastoid foramen
Lumbricals
L2
Azygos veins - aorta