341 Best Questions Of Skeletal System For AAPC/CPC Exam

1. Sella turcica is found in which bone (aapc exam)

(a) Alesphenoid (b) Parietal

© Frontal (d) Basi-sphenoid

1. A Y-shaped bone is

(a) Squamosal (b) Palatine

© Quadrato-jugal (d) Pterygoid

1. Which of the following bones are cartilagenous

(a) Exoccipital and frontoparietal (b) Exoccipital and sphenethmoid

© Exoccipital and parasphenoid (d) Frontoparietal only

1. Zygomatic arch in the skull of mammal (rabbit) is formed of

(a) Jugal and squamosal (b) Quadrato jugal and pterygoid

© Squamosal and palatine (d) Palatine and jugal

1. Foramen magnum, occipital condyles are found in (aapc exam)

(a) Parietal bone (b) Ethmoid bone © Sphenoid bone (d) Occipital bone

1. Bone related to skull is

(a) Atlas (b) Caracoid

© Artenoid (d) Pterygoid

1. The skull of a bird is

(a) Dicondylic (b) Monocondylic

© Amphicondylic (d) None of these

1. Sutural joints are found between

(a) Parietals of skull (b) Humerus and radio-ulna

© Glenoid cavity and pectoral girdle (d) Thumb and metatarsal

1. The smallest bone in rabbit’s or man’s skeleton is

(a) Nasal (b) Stapes

© Patella (d) Palatine

1. Part of axial skeleton which includes upper jaw, lower jaw, hyoid apparatus and gill arches is called as

(a) Splanchnocranium (b) Neurocranium

© Dermocranium (d) Chondrocranium

1. Which one of the following in enclosing the tympanum in mammals

(a) Tympanic membrane (b) Tympanic bulla

© Mastoid (d) Periotic and tympanic bulla

1. The bone which is horse shoe shaped is-(aapc exam)

(a) Frontal (b) Vomer

© Hyoid (d) Molar

1. In rabbit the basihyal is present in

(a) Collar bone (b) Hip bone © Shoulder bone (d) Tongue bone

1. The presence of auditory capsule, called tympanic bulla is characteristic of

(a) Skull of frog (b) Skull of rabbit © Skulls of both (d) None of these

1. The cranium is formed of 8 bones.They are

(a) 1 frontal, 2 parietals, 1 occipital, 2 temporals, 1 sphenoid and 1 ethmoid

(b) 1 frontal, 1 parietal, 2 occipitals, 1 temporal, 2 sphenoids and 1 ethmoid

© 2 frontals, 1 parietal, 1 occipital, 2 temporals, 1 sphenoid and 1 ethmoid

(d) None of the above

1. Tongue bone is

(a) Hyoid bone (b) Maxillary

© Dentary (d) Quadrato-jugal

1. T-shaped, Y-shaped and hammer shaped bones in frog-(aapc exam)

(a) Pterygold, quardrate, palatine (b) Pterygoid, squamosal, dentary

© Parasphenoid, quadrate, dentary (d) Parasphenoid, pterygoid, squamosal

1. In mammals, the zygomatic arch is formed by

(a) Maxilla, premaxilla and squamosal (b) Periotic, jugal and palatine

© Maxilla, squamosal and jugal (d) Jugal, maxilla and periotic

1. The total number of ear bones in man is

(a) 3 (b) 6 © 4 (d) 2

1. What is the right sequence of bones in the ear ossicles of a mammal starting from the tympanum inwards

(a) Malleus, Incus, Stapes (b) Malleus, Stapes, Incus © Incus, Malleus, Stapes (d) Stapes, Incus, Malleus,

1. Foramen magnum is situated in

(a) Buccal cavity (b) Base of skull © Left auricle (d) Vertebra

1. The bones that form a bridge between the cranium and the upper jaw dorsally and ventrally are respectively

(a) Squamosal and pterygoid (b) Quadratojugal and pro-otic © Both the exo-occipitals (d) Maxillary and quadrate

1. The number of bones in half of the lower jaw of man is-(aapc exam)

(a) 1 (b) 4 © 6 (d) 8

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1. Which of the following is unpaired bone

(a) Premaxilla (b) Pro-otics © Sphenethmoid (d) Pterygoid

1. Cranium of man is made up of

(a) 8 bones (b) 12 bones © 10 bones (d) 16 bones

1. Number of bones of face is

(a) 12 (b) 30 © 40 (d) 14

1. The part of skull that includes the cranium, the olfactory capsules and the optic capsules is known as

(a) Splanchnocranium (b) Dermatocranium © Neurocranium (d) Cranium

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1. The notochord in vertebrates is modified into

(a) Vertebral coloumn (b) Centrum of vertebrae © Body of vertebrae (d) Transverse process of vertebrae

1. In man the nasal cavity is separated from the buccal cavity by a bone which is known as

(a) Palate complex (b) Lingual bone © Soft palate (d) Hyoid apparatus

1. In which bone the chondriocytes are replaced by osteocytes

(a) Maxilla (b) Nasal © Dentary (d) Vomer

1. Which bone during its development is not a cartilage

(a) Malleus (b) Humerus © Incus (d) Nasal

1. Sella turcica is a

(a) Covering of kidney (b) Covering of testis

© Depression in brain (d) Depression in skull which lodges the pituitary body

1. Sphenethmoid bone is found in

(a) Hind limb (b) Lower jaw © Pelvic girdle (d) Skull

1. Mambranous labyrinth is enclosed in the-(aapc exam)

(a) Tympanum (b) Tympanic bulla © Mastoid (d) Pro-otic tympanic bulla

1. Turbinal bones are present in the

(a) Nasal passage (b) Ear bones © Pro-otic (d) Tympanic bulla

1. Skull of mammals is

(a) Amphicondylous (b) Condylless © Dicondylous (d) Monocondylous

1. The cartilage making up the lower jaw is known as

(a) Dentary (b) Mentomeckelian © Meckel’s cartilage (d) Angulosplenial

1. The mammalian lower jaw is formed by single

(a) Mentomeckelian bone (b) Dentary bone © Angulosplenial (d) Premaxilla

1. Of the following, the membrane bone in frog is

(a) Fronto-parietal (b) Sphenethmoid © Pro-otics (d) Exo-occipital

1. The bones common to face and cranium are

(a) Parietal (b) Frontal © Temporal (d) Palatine

1. A number of bones in the skull of man are

(a) 10 (b) 18 © 206 (d) 24

1. Cheek bones are

(a) Lacrimal (b) Zygomatic © Parietal (d) Ethmoid

1. Which opening occurs in a pair

(a) Obturator foramen (b) Foramen magnum © Foramen ovalis (d) Fenestra rotundus

1. Fenestra rotundus connects-(aapc exam)

(a) Middle ear to pharynx (b) External ear to middle ear

© Middle ear to inner ear (d) Semicircular canals to utriculus

1. Malleus is part of

(a) Reproductive system of cockroach (b) Skull of man

© Middle ear ossicles (d) Fore limbs

1. Surface for attachment of tongue is

(a) Palatine (b) Sphenoid © Pterygoid (d) Hyoid apparatus

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1. Jaw suspension of mammal is

(a) Amphistylic (b) Autodiastylic © Hyostylic (d) Craniostylic

1. Which of the following does not form turbinal bones in the nasal region of humans

(a) Maxilla (b) Ethmoid © Nasal (d) Palatine

(aapc exam)

1. Select the correct statement

(a) Turbinals increase the sensory surface of olfactory chambers

(b) Hyomandibular, incus and mandibular bones are related to ear ossicles

© Membranous labyrinth of internal ear is enclosed in olfactory capsule

(d) Hyoid apparatus supports the auditory capsule of the cranium.

1. Select the correct statement

(a) The lower jaw of human is made of a single dentary bone on either side

(b) Jaw suspension in human is of hyalostylic type

© Dorsal surface of exoccipital bears a depression called sella turcica

(d) Diastema is the toothless space which is characteristic of all carnivores

1. Identify the correct statement about rabbit’s skull

(a) The original chondrocranium is non-ossified (b) Monocondylic

© Large orbits (d) Distinct sutures present between bones

1. Dermatocranium of skull comprises of

(a) Membrane bones (b) Cartilage bones © Hyaline bones (d) Ossified bones

1. Select the false statement

(a) Lower jaw of rabbit articulates with squamosal

(b) Splanchnocranium consists of membrane bones

© Acetabulum is formed by meeting of ilium, is chium and pubis at one point

(d) Lower jaw of rabbit has heterodant and thecodont teeth

1. Select the correct statement-(aapc exam)

(a) Bony ossicles of ear facilitate hearing of sound

(b) Sutures are movable joints

© Pelvic girdle of mammal is an example of Gomphoses type of immovable joint

(d) The joint between zygapophysis of successive vertebrae is called shindylases

1. Select the false statement

(a) Atlas which supports the skull rotates freely upon the peg-like odontoid process and forms pivotal joint.

(b) Radio-ulna forms a arthrodial joint with carpals

© The articulation of ethmoid bone with the vomer is called Gomphoses

(d) Sutures are zig-zag lines in which the serrated margins of articulating bones are interlocked

1. Anterior cornua of the hyoid apparatus of frog articulates with

(a) Cranium (b) Quadrate cartilage © Auditory capsule (d) Suspensorium

1. Hyoid apparatus of frog is situated

(a) Above the tongue (b) In the upper jaw © Inside tongue (d) In the floor of pharynx

1. Alar process is a part of

(a) Hyoid apparatus (b) Humerus © Lower jaw (d) Upper jaw

1. The hyoid apparatus of frog is entirely cartilaginous except

(a) Body (b) Alar process © Anterior cornua (d) Posterior cornua

1. Which of the following is a paired bone in frog

(a) Parasphenoid (b) Sphenethmoid © Septomaxillary (d) Xiphisternum

1. Which one is an unpaired bone in frog’s skull

(a) Pterygoid (b) Sphenethmoid or Parasphenoid

© Premaxilla (d) Pro-otic

1. Paired bones on ventral side of skull of frogs are

(a) Pterygoids and Palatines (b) Pro-otics and Parasphenoid © Vomers and Squamosals (d) Nasals and Sphenethmoid

1. ‘Pterygoid’ is the name of a-(aapc exam)

(a) Long bone (b) Membrane bone © Cartilage bone (d) Cartilage

1. Paired dorsal bones in frog skull are

(a) Palatines (b) Vomers © Pterygoids (d) Squamosals

1. Roof of the cranium of frog is formed by

(a) Parasphenoid (b) Fronto-parietal © Alisphenoid (d) Orbitosphenoid

1. Inverted ‘T’ shaped parasphenoid bone is found

(a) On the ventral surface of the cranium of mammals

(b) On the ventral surface of the cranium of frog

© On the dorsal surface of the cranium of mammals

(d) On the dorsal surface of the cranium of frog

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