Kes 344

Question 0

Which hormone increases osteoclasts activity to release more Ca ions into blood ?

Answer 0

PTH

Question 1

Loss of mass to bones w/age is a ?

Answer 1

Reflects an imbalance of bone remodeling process

Question 2

Which cell helps with resorption ?

Answer 2

Osteoclasts

Question 3

What is necessary for intramembranous ossification to take place ?

Answer 3

Ossification center forms in fibrous connective tissue

Question 4

Haversion canal is the site of?

Answer 4

Blood vessels and nerve fibers

Question 5

Ossification of the ends of long bones is?

Answer 5

Characterized by secondary ossification

Question 6

The functional unit of compact bone is?

Answer 6

Osteon

Question 7

What can delay/prevent osteoporosis ?

Answer 7

Weight bearing exercise

Question 8

Location of blood forming tissue is?

Answer 8

Pelvis is most common site

Question 9

Diploe means ?

Answer 9

Internal layer of spongy bone in flat bone

Question 10

Fracture in the shaft would be a break in ?

Answer 10

Diaphysis

Question 11

Deficiency of growth hormone causes ?

Answer 11

Low proliferation of the epiphysis plate cartilage

Question 12

What tissue helps in long bones in embryo

Answer 12

Hyaline cartilage

Question 13

The cell responsible for secreting the matrix of bone is the ?

Answer 13

Osteoblasts

Question 14

Which type of bone is adopted to withstand stress ?

Answer 14

Spongy bone

Question 15

Yellow bone marrow contains a large % of?

Answer 15

Fat

Question 16

Qualities of water #1

Answer 16

Water mixed polar compounds

Question 17

Qualities of water #2

Answer 17

Water expands when frozen

Question 18

Qualities of water #3

Answer 18

Water doesn’t compress even with strong forces

Question 19

Qualities of water #4

Answer 19

Water has high heat capacity

Question 20

The mass # of an atom is?

Answer 20

Sum of protons and neutrons

Question 21

Osmolarity of a substance means ?

Answer 21

The number of osmoles per kg of a solvent

Question 22

What is metabolic acidosis ?

Answer 22

Bicarbonate levels in plasma low , kidneys increase alkaline reserve

Question 23

pH means ?

Answer 23

Potential of hydrogen

Question 24

Main elements in human body

Answer 24

Hydrogen , carbon , nitrogen, oxygen , phosphorus, sulfur

Question 25

Ionic bonds

Answer 25

Gains stability by losing one electron

Question 26

Covalent bonds

Answer 26

Electrons shared so that each atom is able to fill outer shell

Question 27

Hydrogen bonds

Answer 27

Form a hydrogen atom already covalently linked on electron forms a bridge

Question 28

Long bones

Answer 28

Arms legs fingers toes

Question 29

Flat bones

Answer 29

Sternum Scapulae Ribs Skull

Question 30

Cartilage

Answer 30

No blood vessels or nerves surrounded by perichondrium

Question 31

Perichondrium

Answer 31

Source of blood vessels nutrients diffuse through the matrix

Question 32

Osteoid

Answer 32

Organic material of the matrix secreted by osteoblasts

Question 33

Osteoblasts

Answer 33

Responsible for production of new bone--osteogenesis

Question 34

Osteoclasts

Answer 34

Related to microphages , giant multi-nucleated cells at the site of bone resorption

Question 35

Long bones

Answer 35

Arms legs fingers toes

Question 36

Flat bones

Answer 36

Sternum Scapulae Ribs Skull

Question 37

Cartilage

Answer 37

No blood vessels or nerves surrounded by perichondrium

Question 38

Perichondrium

Answer 38

Source of blood vessels nutrients diffuse through the matrix

Question 39

Osteoid

Answer 39

Organic material of the matrix secreted by osteoblasts

Question 40

Osteoblasts

Answer 40

Responsible for production of new bone--osteogenesis

Question 41

Osteoclasts

Answer 41

Related to microphages , giant multi-nucleated cells at the site of bone resorption

Question 42

The Osteoid portion of bone matrix is not important in providing ?

Answer 42

Hardness to the bone

Question 43

Fracture where the bone ends are incompletely separated

Answer 43

Green stick fracture

Question 44

Acids

Answer 44

Release protons when dissolved in water

Question 45

What cell is responsible for secreting the matrix of bone ?

Answer 45

Osteoblasts

Question 46

Dipole

Answer 46

The internal layer of spongy bone in flat bones

Question 47

Spiral fracture

Answer 47

From twisting forces applied to bone common in sports

Question 48

Epiphysial fracture

Answer 48

Epiphysis separates from diaphysis along the growth plates | Common in children

Question 49

Depressed fracture

Answer 49

Broken portion inward typically skull fracture

Question 50

Steps of bone healing process

Answer 50

- hematoma formation - fibrocartilaginous callus formation - bong callus forms - bone remodeling

Question 51

Electrons are responsible for...

Answer 51

Chemical behavior of atoms

Question 52

What is a proton ?

Answer 52

Positive charge, has 1 amu in the nucleus

Question 53

What makes cartilage resilient?

Answer 53

Water