quiz #2

Generally, people have ________ number of melanocytes ______________. About the same; no matter where they live A highly variable; irrespective of where they live A lower; if they live in colder climates of the northern hemisphere A higher; if they live in the warmer climates near the equator A higher; if they live in the southern hemisphere

About the same; no matter where they live

From deep to superficial, the order of the strata of the epidermis is Basale - spinosum - granulosum - lucidum - corneum Spinosum - granulosum - basale - lucidum - corneum Corneum - lucidum - granulosum - spinosum - basale Basale - granulosum - spinosum - lucidum - corneum Corneum - granulosum - lucidum - spinosum - basale

Basale - spinosum - granulosum - lucidum - corneum

________ glands are modified sweat glands located only in the external ear canal.

Ceruminous

Another name for the skin is the _________ membrane. Serous Parietal Mucous Cutaneous Visceral

Cutaneous

Dermal papillae are more superficial than epidermal ridges. True False

False

During aging of the integumentary system, sweat production increases as a result of improved sweat gland activity. True False

False

Osteons run perpendicular to the diaphysis of a long bone. True False

False

Compact bone Is located deep to spongy bone in the diaphysis Is composed of tubular units called osteons Has a brace-like arrangement of trabeculae Is avascular All of the choices are correct

Is composed of tubular units called osteons

The epidermis is a __________ epithelium. Keratinized stratified squamous Non-keratinized stratified squamous Keratinized stratified cuboidal Nonkeratinized stratitified cuboidal Transitional

Keratinized stratified squamous

Which is not a function of the integument? Protection Water loss prevention Temperature regulation Synthesis of cholecalciferol (vitamin D precursor) No exceptions; all are functions of the integument

No exceptions; all are functions of the integument

An example of a flat bone would be the Femur Radius Trapezoid Parietal Calcaneus

Parietal

Which is a sesamoid bone? Patella Cuboid Talus Sphenoid Scaphoid

Patella

The function of melanin in the skin is to Reduce water loss Prevent infections Help regulate body temperature Protect against UV light Keep the epidermis soft and pliable

Protect against UV light

Where does hemopoiesis occur? Epiphyseal line Endosteum Red bone marrow Yellow bone marrow Nutrient foramina

Red bone marrow

The bones of the wrist are classified as _____ bones. Long Regular Short Irregular Flat

Short

Carotene, a pigment that contributes to skin color, is acquired in the body by eating various yellow-orange vegetables. True False

True

The flat bones of the cranium form by intramembranous ossification. True False

True

Fine hair called _________, which is unpigmented or lightly pigmented, is the primary human hair and is found on the upper and lower limbs. Terminal Lanugo Vellus Cuticle Phalanx

Vellus

The shaft of a long bone is called the diaphysis; the ends are called the _________.

epiphysis

The stratum _______ is only found in thick skin, such as the skin covering the palms and soles.

lucidum