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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. Name given to orientation where uterus and vagina intersect at angle of 90 degrees
Anteversion
Vastus medialis
CN X - CN X
CN IX - CN X - Sympathetics
2. Type of hernia that protrudes through Hesselbach's triangle
Recurrent laryngeal
Direct inguinal
Second rib
Radial
3. Paralysis of which muscles results in total 'claw' hand
Kiesselbach's plexus
Chorda tympani
Lumbricals
Hepatoduodenal (lesser omentum)
4. Nerve injured when tonsilar pillars sag and uvula deviates
Right 2nd interspace
Radial
Recurrent branch of Median
CN X
5. Contents of femoral canal
Deep inguinal lymph nodes
Cystic and common Hepatic
Ulnar
Myasthenia gravis
6. Innervation of detrusor
L5
Bronchodilation - Vasoconstriction
Pelvic splanchnics (S2-4)
Biceps brachii
7. Vertebral level associated with origin of SMA
Stylomastoid foramen
L1
Fascia of obturator Internus
Phrenic nerve
8. Structures that course between anterior and middle scalene
Tenia coli - haustra - epiploic appendages
Brachial plexus - subclavian artery
Internal laryngeal nerve - superior laryngeal artery
Stomach - duodenum - liver - spleen - gallbladder - pancreas
9. Chief invertors of foot
Gynecoid
Right
Tibialis anterior and posterior
Deep inguinal
10. Major dermatome to big toe
Suspensory ligament of Ovary
L4
Inferior vena cava
Auriculotemporal
11. Most frequently fractured bone of body
Clavicle
Right and left Brachiocephalic
Inferior vena cava
Hepatorenal recess
12. Chief structures that traverse internal acoustic meatus
L1
CN VII and VIII
Azygos veins - aorta
Deltoid
13. Structure that separates internal and external hemorrhoids
Pectinate line
Ipsilateral CN XII
Recurrent branch of Median
Vertebral artery
14. Muscle that prevents pelvis from tilting when walking
Superficial and deep perineal - bulbospongiosus - external anal sphincter - pubococcygeus
Gluteus medius
Piriform recess
Stomach - colon - left kidney - tail of pancreas
15. Afferent - efferent limbs of cough reflex
Scoliosis
Hepatorenal recess
CN X - CN X
Tibialis anterior and posterior
16. Chief uterine support
Chorda tympani
L4-5
Maxillary
Pubococcygeus
17. Nerve potentially injured with repair of patent ductus arteriosus
T12
Left recurrent laryngeal Nerve
Pelvic diaphragm
Obturator - tibial portion of Sciatic
18. Two major components of levator ani
Fascia of obturator Internus
Disc L3-4
L4
Pubococcygeus and Iliococcygeus
19. Dermatome of thumb
Left gastric - common hepatic and splenic
Maxillary
Ulnar
C6
20. Structure that form floor of inguinal canal
Inguinal ligament
Radial
Obturator - tibial portion of Sciatic
Scaphoid
21. Nerve injured when deviation of protruded tongue
Ipsilateral CN XII
S1
Popliteus
6th rib
22. Muscles that are innervated by CN XI
Trapezius - SCM
Edinger - Westphal
Lateral horn - T1 - 2
Obturator internus and Piriformis
23. Nerve injured with fracture of shaft of humerus
Lateral cervical
Frontal - maxillary - anterior and middle ethmoid
Temporalis
Radial
24. Vessel located posterior to neck of pancreas
Lumbar
CV6
Vastus medialis
Portal vein
25. Innervation of suboccipital muscles
Anterior belly = CN V Posterior belly = CN VII
Suboccipital nerve
Lingual
T10
26. Location of ductus arteriosus
Pectinate line
CN V3
Between left pulmonary artery and aorta
Greater occipital nerve
27. Innervation of tensor veli palatini
L4
Stomach - colon - left kidney - tail of pancreas
CN V3
Deep inguinal
28. Cutaneous innervation to lateral side of foot
Sural (S1)
CN IX - CN X - Sympathetics
Suspensory ligament of Ovary
Internal iliac - IM
29. Chief artery to rectal mucosa
Kiesselbach's plexus
Cristae terminalis
Superior rectal
Inferior epigastric artery
30. Chamber that forms apex of heart
Right and left gastroepiploics - right - left and short gastric
Left ventricle
Aponeurosis of external Oblique
Anterverted - anteflexed
31. Sensory innervation of diaphragm
Hepatoduodenal (lesser omentum)
Vastus medialis
Phrenic + intercostal
Ulnar and median
32. Termination of left gonadal vein
Left renal vein
Cristae terminalis
Wider diameter - shorter and more vertical
Recurrent laryngeal
33. Structure that forms the pudendal canal
Fascia of obturator Internus
Intrinsic hand muscles
L4
conus arteriosum or infundibulum
34. Structures that pierce thyrohyoid membrane
Phrenic
Ansa cervicalis
Internal laryngeal nerve - superior laryngeal artery
L4
35. Muscle attached to disc of TMJ
L1
Lateral pterygoid
Intercostal nerve
Cystic and common Hepatic
36. Nerve potentially injured with tonsillectomy
PPG and submandibular
CN V1 (nasociliary)
LV2
CN IX
37. Vertebral level associated with sternal angle
Disc between TV4-5
Ulnar (deep br.)
Ribs 9-11
Medial collateral
38. Vertebral level of umbilicus
Disc L3-4
L1
Ipsilateral CN XII
CN V1 (nasociliary)
39. Medial boundary of femoral ring
Caudate lobe of liver
Azygos veins - aorta
Pars interarticularis - Lamina
Lacunar ligament
40. Clinically importatnt organs for portacaval anastomoses
Esophagus - rectum - liver
Nasolacrimal duct
C8 and T1
CN X
41. Type of hernia that enters deep inguinal ring
Indirect inguinal
Tibial
Inferior vena cava
Ureter
42. Specific muscle that holds patella in place
Vastus medialis
External laryngeal nerve
Ovarian and round Ligament
Ulnar
43. Major nerve to TMJ (pain)
L4
Left recurrent laryngeal Nerve
L4
Auriculotemporal
44. Superior extent of right paracolic gutter
Kiesselbach's plexus
Hepatorenal recess
Fascia of obturator Internus
CV4 -5
45. Inferior extent of pleura at midclavicular line
8th rib
L5
Posterior cricoarytenoid
Lateral pterygoid
46. Major arterial supply to calvaria and supratentorial dura
Middle meningeal
Recurrent laryngeal
Phrenic + intercostal
Ligamentum flavum
47. Location of internal vertebral plexus
Quadriceps femoris
Epidural space
Portal vein
Splenic and SMV
48. Most common side for indirect inguinal hernia
CN V3
Sphincter urethrae
Right
Transverse ligament of atlas (part of cruciate)
49. Sensory nerve to larynx inferior to vocal cords
Recurrent laryngeal
Direct inguinal
Auditory tube - levator veli Palatini
Left bronchus - aorta and Diaphragm
50. Rationale for aspirated small objects to go to right primary bronchus
Wider diameter - shorter and more vertical
CN IX
Tensor veli palatini
S1