Lab Exam 2

Identify the group of bones known as the phalanges. A B C D

A Both the hand and the foot contain 14 phalangeal bones that form the fingers and the toes.

Which of the designated bones articulates with both the vomer and the nasal bones? A B C D

C The maxilla articulates with both the nasal bone and the vomer.

Which of the following is the only bone that normally moves in relation to the others? A B C D

D The bone at D forms a joint with the temporal bone (temporomandibular joint) that allows the mouth to open, close, and move laterally.

Which of the following areas/bones would absorb the impact of walking when a foot first touches the ground during a normal stride? A B C D

D The calcaneus is the heel bone. The calcaneus belongs to the tarsus of the foot and strikes the ground first during a normal walking stride.

Identify the tarsal that articulates with the tibia and fibula. a) Cuboid b) Talus c) Navicular d) Calcaneus

b) Talus Talus articulates with the tibia and fibula on its superior surface.

This bone articulates with the acetabulum. a) tibia b) femur c) humerus d) fibula

b) femur

Identify the landmark that is unique to the femur. a) Notch b) Condyle c) Trochanter d) Head

c) Trochanter The greater and lesser trochanters are unique to the femur.

The feature at letter C articulates with which bone? a) radius b) clavicle c) scapula d) ulna

c) scapula The head of the humerus articulates with the scapula at the glenoid cavity.

What type of bones are the phalanges? a) Short b) Irregular c) Flat d) Long

d) Long Although the phalanges are small in size, their elongated shape qualifies them as long bones.

Which cranial bone spans the width of the cranial floor? a) Ethmoid b) Occipital c) Temporal d) Sphenoid

d) Sphenoid The sphenoid bone is the large bat shaped bone that spans the floor of the skull.

Name the bone that articulates with the distal end of the femur. a) Fibula b) Calcaneus c) Fibularis d) Tibia

d) Tibia The medial and lateral condyles of the tibia articulate with landmarks of the same name on the femur.

What part of this bone articulates with the ulna? A B C D

D The feature at D forms the primary contact with the ulna in the elbow joint. Processes from the ulna enter the olecranon and coronoid fossae during elbow flexion and extension.

Identify the anatomical term for the "heel bone". a) Calcaneus b) Talus c) Cuneiform d) Achilles

a) Calcaneus Calcaneus is a large tarsal that contacts the floor at its posterior region, and articulates with talus on its superior surface.

Identify the bones that make up the wrist. a) Carpals b) Metacarpals c) Tarsals d) Phalanges

a) Carpals Eight carpals make up the wrist.

Identify the recessed area surrounding the crista galli. a) Cribriform plates b) Sella turcica c) Glenoid fossa d) Horizontal plate

a) Cribriform plates The paired cribriform plates surround the crista galli and contain the tiny olfactory foramina.

Identify the bone found lateral to the tibia. View Available Hint(s) a) Fibula b) Calcaneus c) Femur d) Fibularis

a) Fibula the tibia and fibula lie parallel to one another between the knee and ankle.

Identify the specific process by which the clavicle develops. a) Intramembranous ossification b) Primary ossification c) Endochondral ossification d) Osteogenesis

a) Intramembranous ossification The clavicles and the cranial bones of the skull develop from a fibrous membrane. This process is known as intramembranous ossification.

Which bone is NOT considered to be part of the cranium? a) Lacrimal bone b) Ethmoid bone c) Occipital bone d) Sphenoid bone

a) Lacrimal bone The lacrimal bone is a tiny bone found in the medial portion of the orbit. It is a facial bone, not part of the cranium.

Identify the primary function of the ethmoidal sinuses. a) Reduce the weight of the skull b) Produce mucus c) Convey blood vessels into the nasal cavity d) Conduct air through the nasal cavity

a) Reduce the weight of the skull The paranasal sinuses are found in the ethmoid, sphenoid, frontal, and maxillary bones. They encircle the nasal cavity and function to lighten the skull.

Identify the bone that articulates with the clavicle laterally. a) Scapula b) Sternum c) Humerus d) First rib

a) Scapula The lateral end of the clavicle articulates with the acromion process of the scapula forming the acromioclavicular joint.

Identify the bone that makes up the pectoral girdle with the clavicle. a) Scapula b) Humerus c) Rib d) Sternum

a) Scapula Together the scapula and clavicle form the pectoral girdle, an incomplete bony ring surrounding the upper thorax

Identify the cranial nerve that passes through the olfactory foramina. a) The olfactory nerve (CN I) b) The abducens nerve (CN VI) c) The optic nerve (CN II) d) The oculomotor nerve (CN III)

a) The olfactory nerve (CN I) The olfactory nerves (CN I) pass through the olfactory foramina as they pass from the nasal cavity to the brain.

Which digit is composed of only two phalanges? a) Thumb b) Index finger c) Middle finger d) Ring finger e) Pinky finger

a) Thumb The thumb contains two phalanges, a proximal and distal phalanx.

Identify the blunt elevation found on the anterior surface of the tibia between the lateral and medial condyles. a) Tibial tuberosity b) Intercondylar eminence c) Medial malleolus d) Articular surface of the medial condyle

a) Tibial tuberosity The tibial tuberosity is found on the anterior surface of the proximal part of the tibia. The patellar ligament attaches to the tibial tuberosity.

The ethmoid bone is part of the axial skeleton. a) True b) False

a) True The axial skeleton consists of the skull, vertebral column, and rib cage.

This bone is commonly called the kneecap. a) patella b) pectoral c) pelvic d) petrous

a) patella

The head of the fibula articulates with the ________. a) tibia b) femur, patella, and tibia c) femur d) patella

a) tibia

Which of the following digits contain only 2 phalanges? a) 5 b) 1 c) 2 d) 3

b) 1 The great toe or hallux (the big toe) only has 2 phalanges, a proximal phalanx and distal phalanx.

Name the number of tarsals. a) 10 b) 7 c) 5 d) 8

b) 7 The tarsus is made up of 7 bones that compose the ankle and the posterior portion of the foot.

The ethmoid bone is a facial bone. a) True b) False

b) False The ethmoid bone is part of the cranium.

The ethmoid bone forms the inferior portion of the nasal septum. a) True b) False

b) False The perpendicular plate of the ethmoid bone forms the superior part of the nasal septum.

Which statement about the pectoral girdle is false? a) It attaches the upper limb to the axial skeleton. b) Its bones attach to each other and to the axial skeleton. c) Its bones provide for great range of motion. d)It is light and has no posterior attachment to the axial skeleton.

b) Its bones attach to each other and to the axial skeleton.

Identify the landmark found on the diaphysis of the femur. a) Deltoid tuberosity b) Linea aspera c) Fovea capitis d) Greater trochanter

b) Linea aspera The linea aspera is an elevated ridge found on the diaphysis of the femur. It serves as a site of muscle attachment.

What type of bone is a phalanx? a) Irregular b) Long c) Short d) Flat

b) Long The elongated shape of the phalanges make them long bones, even though the phalanges are small in size.

Which of the following landmarks can be found on both the tibia and fibula? a) Head b) Malleoli c) Tuberosity d) Condyles

b) Malleoli Both the tibia and the fibula have malleoli, which form the palpable bumps found on the inside and outside of the ankle.

Identify the best description for the location of the head of the femur. a) Lateral and proximal b) Medial and proximal c) Medial and distal d) Posterior and proximal

b) Medial and proximal In order for the head of the femur to articulate with the hip bones, it must make contact with the pelvic girdle (medial) at the top (proximal) portion of the femur.

The condition known as a "fractured hip" is most often a break in the femur. Where is the femur particularly susceptible to a fracture? a) Acetabulum b) Neck c) Head d) Greater trochanter

b) Neck Many times the phrase "fractured hip" refers to a break in the neck of the femur. This type of fracture detaches the head of the femur leaving it in the socket (the acetabulum of the hip joint).

Identify the suture found between the 2 parietal bones. a) Coronal suture b) Sagittal suture c) Squamosal suture d) Lamdoidal suture

b) Sagittal suture The parietal bones meet at midline on the top of the skull, forming the sagittal suture which runs along the midsagittal plane.

The ethmoid bone contains sinuses. a) False b) True

b) True The ethmoid sinuses are also known as ethmoidal air cells. They are found on either side of the perpendicular plate.

What is the bone feature at A? a) lesser trochanter b) greater trochanter c) linea aspera d) fovea capitis

b) greater trochanter The greater trochanter is separated from the lesser trochanter anteriorly by the intertrochanteric line and posteriorly by the intertrochanteric crest.

Which of the following pairings of letter to bone is INCORRECT? A; parietal B; zygomatic C; maxillary D; mandibular

A; parietal The letter A indicates the frontal bone, not the parietal.

How many phalanges are located in the hand? a) 15 b) 10 c) 14 d) 12

c) 14 Three phalanges make up each finger (4 x 3) except the thumb which contains 2 phalanges.

Identify the common name for the clavicle. a) Rib b) Breast bone c) Collarbone d) Shoulder blade

c) Collarbone The clavicles run horizontally across the top of the chest in the region of the collar of a shirt.

Identify the landmark that serves as a site of attachment for the meninges. a) Vomer b) Perpendicular plate c) Crista galli d) Cribriform plate

c) Crista galli The crista galli is a small plate-like projection visible in the anterior floor of the skull. The dura mater anchors to the crista galli, stabilizing the meninges and brain within the cranial cavity.

Identify the region of the femur that forms part of the hip joint. a) Neck b) Medial condyle c) Head d) Fovea capitis

c) Head The head of the femur is the ball portion of the hip joint, which articulates with the acetabulum of the hip bone which forms the socket.

Identify the bones that make up the middle portion of the foot. a) Tarsals b) Phalanges c) Metatarsals d) Metacarpals

c) Metatarsals There are 5 metatarsals that are found between the tarsals (ankle and heel) and the phalanges (toes).

Which of the following bones do not contain a sinus? a) Maxillary b) Frontal c) Nasal d) Sphenoid

c) Nasal The sinuses found in the skull are collectively known as the paranasal sinuses because they encircle the nasal cavity. The nasal bones are small tombstone shaped bones that form the bridge of the nose and don't contain sinuses.

Which part of the ethmoid bone forms the nasal septum? a) Cribriform plates b) Vomer c) Perpendicular plate d) Crista galli

c) Perpendicular plate The perpendicular plate of the ethmoid bone forms the superior portion of the nasal septum. The inferior portion of the nasal septum is formed by the vomer.

Identify the bone that articulates with the clavicle medially. a) Scapula b) Humerus c) Sternum d) First rib

c) Sternum The medial, or sternal end of the clavicle articulates with the manubrium of the sternum.

Identify the bone that articulates with the distal end of the femur. a) Ulna b) Calcaneus c) Tibia d) Fibula

c) Tibia The tibia articulates with the distal end of the femur, distributing the weight of the body to the foot.

How many carpals make up the wrist? a) 7 b) 5 c) 6 d) 8

d) 8 The wrist is comprised of 8 carpals

The clavicle belongs to which of the following areas? a) Rib cage b) Arm c) Axial skeleton d) Appendicular skeleton

d) Appendicular skeleton The bones making up the arms and legs, along with the pectoral and pelvic girdles, which anchor the limbs on to the axial skeleton make up the appendicular skeleton.

Which of the following bones is unpaired? a) Temporal b) Zygomatic c) Parietal d) Frontal

d) Frontal There is only one frontal bone. It forms the anterior portion of the cranium (the forehead region).

Identify the location of the ethmoid bone. a) The lateral surface of the skull b) The superior portion of the skull c) The floor of the skull d) In between the orbits

d) In between the orbits The ethmoid bone is a single bone with a complex shape. The top of this bone projects up into the floor of the cranium. The middle of this bone spans the distance between the orbits, and the lowest most portion forms the superior part of the nasal septum.

The flat surface of the tibia that articulates with the femur is the superior surface of which landmark? a) Head b) Patellar surface c) Medial malleolus d) Medial and lateral condyles

d) Medial and lateral condyles The flat articular surfaces of the medial and lateral condyles of the tibia form the knee joint with the medial and lateral condyles of the femur.

Identify the anatomical landmark resulting in a noticeable bump found on the medial surface of the ankle. a) Lateral malleolus b) Medial condyle c) Styloid process d) Medial malleolus

d) Medial malleolus The medial malleolus of the tibia forms the easily visible and palpable bump inside the ankle.

Identify the bones that make up the palm of the hand. a) Metatarsals b) Carpals c) Phalanges d) Metacarpals

d) Metacarpals The metacarpals are located between the carpals (the wrist) and the phalanges (the fingers).

This bone bears the medial malleolus. a) radius b) fibula c) ulna d) tibia

d) tibia