A&P Part 2

Ossification of all bones is usually completed by the age of

25

A progressive bone disease in which a pattern of excessive bone destruction followed by bone formation contributes to the thickening of the bones is

Paget's disease

True/False: An exaggerated thoracic curvature of the vertebral column is called kyphosis

True

When comparing the female pelvis with the male pelvis, which of following statements is false? a. the female pelvis is heavier b. the male pelvis is heavier

a. the female pelvis is heavier

The upper limb and its girdle are attached rather loosely to the rest of the body. This arrangement

allows a wide range of movements

Haversian systems or osteons

are the basic units in compact bone tissue

peri-

around

Which of the following joints is most movable? a. hinge b. ball and socket

b. ball and socket

The bone that is also called the innominate bone is the a. ilium b. os coxa

b. os coxa

After suffering multiple cervical fractures Myron Coolheart, IRS agent, was given a choice of which vertebrae to fuse together, his choice was: a. to leave the articulation between C2 and C3 unfused b. to leave the atlas-axis joint free

b. to leave the atlas-axis joint free

Which of the following bones is unpaired? a. parietal b. vomer

b. vomer

A typical vertebra has an anterior portion known as the

body

soma-

body

A passageway connecting neighboring osteocytes in an osteon is a

canaliculus

Ossification is the process by which

cartilage is replaced by bone

If a vertebra has transverse foramen and a bifurcated spinous process, then it is a ____ vertebra

cervical

Transverse foramina are found in ____ vertebrae

cervical

pleur-

chest lining

The most commonly fractured bone in the human body is the

clavicle

Failure of the palatine processes of the maxilla to fuse properly during development results in a

cleft palate

Synovial fluid

decreases friction between bones

What is correct about bone remodeling and repair?

exposure of a bone to increased stress can lead to bone remodeling

What is the maxillary bone a part of?

facial skeleton

True/False: The male pubic arch is wider than that in the female

false

A patient in a skiing accident is told that the lateral side of the ankle joint has been crushed. The bone that has been injured is the

fibula

At birth the bones of the skull have not completed their ossification and are separated from each other by membranous portions called

fontanels

Since at birth, the bones of the cranium have not completed their ossification, there are membranous portions between them called

fontanels

The most common bone disease is osteoporosis. The most common consequence of this disease is

fractures

What is not part of the ethmoid bone?

greater wing

scler-

hard

The cubital or elbow joint is an example of a ____ joint

hinge

The glenoid fossa is where the

humerus articulates with the scapula

Kyphosis refers to a

hunchback

The type of cartilage associated with bone function and development is

hyaline cartilage

What bone is attached to the skull by muscles and ligaments?

hyoid

What bones form part of the lateral wall of the nasal cavity?

inferior nasal conchae

A person sits on his/her

ischial tuberosity

What statement best describes the sacrum?

it consists of 5 fused vertebrae

The pubis bone is not characterized by

it forms the part of the joint sacroiliac

Josh Flashback was running downfield with the football. As he tried to avoid a tackle, he stepped in a hole and his foot was twisted under him. What did he hurt?

lateral malleolus of the fibula

The appendicular skeleton consists of

limbs and their girdles

What is found inferior to the maxilla and has a posterior articulation with the temporal bone?

mandible

Most dentists give anesthesia that affect the nerves that pass through the ____ foramina

mandibular

Some marrow of long bones is termed "red" marrow. The function of red marrow is to

manufacture blood cells

The prominent bulge just posterior and inferior to the auditory meatus that beginning anatomy students can feel on their own bodies is the

mastoid process

What bone contains a sinus?

maxilla

A cleft palate results from incomplete development

maxillae

The hard palate is composed of the

maxillae and palatine bones

The knuckles of the hand are formed by the distal ends of the:

metacarpals

What bone does not contribute to part of the orbit of the eye?

nasal

What bone does not contribute to the floor of the cranial cavity?

nasal

rhino-

nose

A person who gets hit on the back of the head might suffer injury to which of these bones?

occipital

The skull bone posterior to the foramen magnum is the

occipital

What bone contains a foramen through which the spinal cord passes?

occipital

What bone is part of the cranial vault?

occipital bone

The articular surfaces that connect the human skull to the first vertebra of the neck are the

occipital condyles

The cells responsible for removing excess bone tissue after the fracture repair process are

osteoclasts

The cell type that is responsible for maintaining bone once it has been formed is the

osteocyte

The adult form of rickets is called

osteomalacia

The lambdoidal suture is located between the

parietal and occipital bones

What membranes covers the surface of a mature bone?

periosteum

Extra digits, a condition called ____, is the most common limb deformity

polydactyly

Important functions of the skeletal system include:

protection of the brain and soft organs

If you break the lateral bone of your forearm, you have fractured your

radius

How many pairs of false ribs does the human body have?

really 3 but he wants 5

Red bone marrow functions in the formation of

red blood cells, white blood cells, platelets

What bone is part of the axial skeleton?

rib

What separates the 2 parietal bones?

sagittal

The pituitary gland (hypophysis) rests in the

sella turcica (hypophyseal fossa).

The growth spurt seen in puberty is triggered by

sex hormones

The joints between the vertebrae of the backbone are best described as

slightly movable

The tarsal bone that articulates with the tibia and the fibula is the

talus

The tarsal bone that receives the entire weight of the body is known as the

talus

What bone does not contribute to the roof of the skull?

temporal

A person who has cerebrospinal fluid draining from the ear probably has a fracture of the

temporal bone

The middle ear is located within the

temporal bone

The maxilla forms

the floor of the orbit

The foramen magnum is a large opening in the base of the skull for

the spinal cord

Cervical vertebrae can be distinguished from other types by the presence of

transverse foramina

True/False: Thoracic vertebrae have long, thin spinous processes

true

The sagittal suture is located between the

two parietal bones

What is not included in the appendicular skeleton?

vertebral column

Rickets most usually develops from what being deficient?

vitamin D

What bones form the nasal septum?

vomer and ethmoid

The small bones embedded in the various sutures of the skull are called

wormian bones

The inferior-most part of the sternum is the

xiphoid process

The zygomatic arch is composed of processes of the

zygomatic and temporal bones

The cheek bone is also known as the

zygomatic bone