Anatomy Trivia

Question 1

Anatomy

Fat absorption and digestion site

Answer 1

Jejunum

Question 2

Anatomy

Sole abductor of vocal cords

Answer 2

Posterior cricoarytenoids

Question 3

Anatomy

Tensor of vocal folds

Answer 3

Cricothyroid

Question 4

Anatomy

Cavernous sinus

Answer 4

Direct: ICA and CN VI
Lateral: CN III, IV, V1, V2
Connected: facial vein and inferior ophthalmic vein

Question 5

Anatomy

Longest and heaviest bone

Answer 5

Femur

Question 6

Anatomy

No muscle or tendinous attachments

Answer 6

Talus

Question 7

Anatomy

Longest metatarsal

Answer 7

2nd

Question 8

Anatomy

Chief thigh flexor

Answer 8

Iliopsoas (L1-L3)

Question 9

Anatomy

Referred pain from phrenic nerve

Answer 9

Supraclavicular n. (C3-4)

Question 10

Anatomy

Largest artery to the stomach

Answer 10

Left gastric (then right gastroepiploic)

Question 11

Anatomy

Longest muscle

Answer 11

Sartorius

Question 12

Anatomy

Most slender cranial nerve

Answer 12

Trochlear (CN IV)

Question 13

Anatomy

Kicking muscle

Answer 13

Rectus femoris

Question 14

Anatomy

Great extensor of leg

Answer 14

Quadratus femoris (L2-L4)

Question 15

Anatomy

Largest nerve in body

Answer 15

Sciatic nerve

Question 16

Anatomy

Spring in the step

Answer 16

Flexor hallucis longus

Question 17

Anatomy

Main artery of foot

Answer 17

Posterior tibial

Question 18

Anatomy

Main artery to toes

Answer 18

Dorsalis pedis

Question 19

Anatomy

No discs

Answer 19

C1, C2, Sacrum, coccyx

Question 20

Anatomy

Largest nutrient artery

Answer 20

Nutrient artery of tibia

Question 21

Anatomy

Cutaneous nerve that supplies the most skin

Answer 21

Posterior cutaneous nerve of the thigh

Question 22

Anatomy

Chief extensor of the vertebral column

Answer 22

Erector spinae (iliocostalis, longissimus, spinalis)

Question 23

Anatomy

Capitis muscle with no attachment to skull

Answer 23

Obliquus capitis inferior (inferior oblique)

Question 24

Anatomy

Muscles used when standing at ease

Answer 24

Hamstrings (semitendinosus, semimembranosus, long head of biceps femoris)

Question 25

# Anatomy Leg compartment with no artery

Answer 25

Lateral

Question 26

# Anatomy Pelvic avascular planes

Answer 26

Lateral paravesical, lateral pararectal, retropubic (space of Retzius), vesicovaginal, rectovaginal, presacral

Question 27

# Anatomy Posterior compartment nerve

Answer 27

Tibial nerve

Question 28

# Anatomy Protects brachial plexus

Answer 28

Subclavius muscle

Question 29

# Anatomy Protects against humeral dislocation

Answer 29

Triceps

Question 30

# Anatomy Rotator cuff muscle that does not rotate shoulder

Answer 30

Supraspinatus (abducts the arm)

Question 31

# Anatomy Narrowest portion of small intestine

Answer 31

Terminal ileum (site of gallstone ileus)

Question 32

# Anatomy Origin of cystic artery (90%)

Answer 32

Right hepatic artery

Question 33

# Anatomy Winged scapula

Answer 33

Long thoracic nerve injury (Serratus anterior)

Question 34

# Anatomy First bone to ossify

Answer 34

Clavicle (also the last to finish ossification)

Question 35

# Anatomy Empties urethra after micturition/ejaculation

Answer 35

Bulbospongiosus

Question 36

# Anatomy Section of the gut with double blood supply

Answer 36

Duodenum

Question 37

# Anatomy Valveless

Answer 37

IVC, common iliacs, portal vein, cranial sinuses

Question 38

# Anatomy Vertebra with longest spinous process

Answer 38

C7 (not bifid)

Question 39

# Anatomy Vertebrae with transverse foramina

Answer 39

Cervical

Question 40

# Anatomy Femoral ossification

Answer 40

Just before birth

Question 41

# Anatomy Mastoid process formation

Answer 41

2 years

Question 42

# Anatomy Handedness

Answer 42

3 years

Question 43

# Anatomy Primary teeth complete

Answer 43

3 years

Question 44

# Anatomy 20/30 visual acuity

Answer 44

3 years

Question 45

# Anatomy 20/20 visual acuity

Answer 45

4 years

Question 46

# Anatomy Bed-wetting [normal]

Answer 46

Up to 4 (girls), 5 (boys)

Question 47

# Anatomy Patellar ossification

Answer 47

3-6 years

Question 48

# Anatomy Modesty

Answer 48

4-6 tears

Question 49

# Anatomy Tibial tuberosity formation

Answer 49

10 years

Question 50

# Anatomy Hip fusion

Answer 50

15-17 years; completed at 20-25 years

Question 51

# Anatomy Petrosquamous fissure closure

Answer 51

20 years

Question 52

# Anatomy Sphenooccipital joint closure

Answer 52

20 years

Question 53

# Anatomy Anterior triangle (borders)

Answer 53

Anterior SCM, anterior midline of neck, inferior mandible

Question 54

# Anatomy Posterior triangle (borders)

Answer 54

Posterior SCM, anterior trapezius, superior clavicle

Question 55

# Anatomy Carotid Bifurcation

Answer 55

C4 (superior border of thyroid cartilage)

Question 56

# Anatomy Bifurcation of internal thoracic vein

Answer 56

6th ICS

Question 57

# Anatomy Normal carinal angle

Answer 57

60-75 degrees

Question 58

# Anatomy Normal angle of femoral head-neck

Answer 58

126 degrees (115-140 degrees)

Question 59

# Anatomy Boundary of superior mediastinum

Answer 59

Angle of Louis (T4-T5), also site of: aortic arch, tracheal bifurcation

Question 60

# Anatomy Beginning of trachea

Answer 60

C6 (inferior to cricoid cartilage)

Question 61

# Anatomy Auscultatory triangle

Answer 61

Latissimus dorsi, trapezius, medial scapula; floor: rhomboid major

Question 62

# Anatomy Dome of the diaphragm

Answer 62

T10 (L lower than R)

Question 63

# Anatomy Esophageal hiatus

Answer 63

T10 (pierces diaphragm)

Question 64

# Anatomy Celiac trunk

Answer 64

T12 (supplies foregut)

Question 65

# Anatomy Lumbar triangle

Answer 65

Latissimus dorsi, posterior external oblique, iliac crest

Question 66

# Anatomy Superior mesenteric artery

Answer 66

L1 (supplies midgut)

Question 67

# Anatomy Renal artery

Answer 67

L1

Question 68

# Anatomy Termination of spinal cord

Answer 68

L1-L2

Question 69

# Anatomy Horizontal (3rd part) duodenum

Answer 69

L3

Question 70

# Anatomy Inferior mesenteric artery

Answer 70

L3 (supplies hindgut)

Question 71

# Anatomy Union of common iliac arteries

Answer 71

L4-L5

Question 72

# Anatomy Floor/roof of femoral triangle

Answer 72

Iliopsoas and pectineus / Fascia lata

Question 73

# Anatomy Roof of adductor canal

Answer 73

Sartorius

Question 74

# Anatomy Roof of posterior triangle

Answer 74

Platysma, investing deep cervical fascia (floor: splenius capitis, levator scapulae, scalenes)