Chapter 4 &5 Quizzes

Estrogen is a hormone that aids in the absorption of calcium. When a woman reaches menopause, the production of estrogen is greatly reduced. Mary recently reached menopausal age and was advised to take a calcium supplement to reduce her risk of Osteoporosis. How can a menopause affect Mary's bones?

Osteoclasts will begin to break down calcium stored within the bone which can cause osteoporosis

When a fracture is not given the correct medical treatment and therefore does not heal properly, bone formation begins to form at the area of fracture. What cell contributes to this bone formation:

Osteoblast

Which bone is NOT a flat bone?

clavicle

Which bone is NOT a flat bone? scapula ribs occipital bone clavicle

clavicle

Which layer of the skin contains loose connective tissue and stores body fat?

hypodermis

Which of the following is an example of a long bone?

radius

What is the correct order of events for bone remodeling?

resorption, deposition, osteocyte mineralization

Most stem cells differentiate into keratinocytes in which skin layer?

stratum spinosum

The functional unit of bone is known as an:

osteon

Karen was outside in the hot Miami weather. When she came into the Green Library, she felt a rush of cold air, developing shivers and goosebumps. What structure caused these goosebumps?

Arrector pili muscle

In an adult, the epiphysis is separated from the diaphysis by the:

epiphyseal line