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Apologia Human Body
Module 3 Questions
| Question | Answer |
|---|---|
| In what layers of the epidermis is it possible to get cancer? | Stratum basale and stratum spinosum |
| A hair cell contains soft keratin. From what region of the hair was it taken? | medulla |
| Where can the hair cells with no keratin be found? | matrix |
| A hair follicle is empty, but the matrix is not dead. The hair follicle has just entered its ____________ stage. | growth |
| Do the secretions of the apocrine sweat gland contain cellular material? | no |
| In an adults, what function(s) of the skeletal system is performed by the humerus? | support, lipid storage, movement |
| How would you classify metatarsals? | long |
| How would you classify tarsals? | short |
| How would you classify coxa? | irregular |
| How would you classify the radius? | long |
| If the epiphysis of a long bone contains epiphyseal plates, has the hyaline cartilage in the plates ossified? | no |
| What layer of skin contains keratinized cells? | epidermis |
| What layer of skin contains papillae? | dermis |
| How do the dermal papillae help the epidermal cells? | Increase blood flow and thus nutrients |
| What kind of tissue is always present in the hypodermis? | loose connective tissue |
| What kind of tissue is often but not always present in the hypodermis? | adipose |
| How does the hair follicle help heal bad burns? | Has epithelial tissue to reproduce and make more epidermis |
| What is the function of the sebaceous glands? | Make and secrete oil |
| What is the function of sweat glands? | Make and secrete sweat to cool the body |
| First layer of the epidermis, from the bottom up: | stratum basale |
| Second layer of the epidermis, from the bottom up: | stratum spinosum |
| Third layer of the epidermis, from the bottom up: | stratum granulosum |
| Fourth layer of the epidermis, from the bottom up: | stratum lucidum |
| Fifth layer of the epidermis, from the bottom up: | stratum corneum |
| In what layers of the epidermis are the cells still alive? | stratum basale and stratum spinosum |
| What are melanocytes? | Cells that produce melanin. |
| What do melanocytes do to the skin? | Give it color & protect the skin from ultraviolet rays |
| What are the three sections of the hair? | Medulla, cortex, cuticle |
| Which section of the hair contains cells with soft keratin? | medulla |
| Which sections of the hair contain cells with hard keratin? | cortex and cuticle |
| What is the hair matrix? | Mass of undifferentiated cells |
| Are sweat glands apocrine, merocrine, or holocrine? | merocrine glands |
| Are sebaceous glands apocrine, merocrine, or holocrine? | holocrine |
| Where is the bone marrow found in long bone? | medullary cavity |
| What are the functions of the skeletal system? | support, protection, movement, storage, and hemopoiesis |
| Epidermis | The outer portion of the skin, formed by epithelial tissue which rests on the dermis |
| Dermis | Dense irregular connective tissue that forms the deep layer of the skin |
| Hypodermis | Loose connective tissue underneath the dermis which connects the dermis to muscle or bone |
| Hemopoiesis | The process of manufacturing blood cells |
| Compact Bone | Dense bone matrix enclosing only a few small spaces |
| Cancellous Bone | Bone with many small spaces or cavities surrounding the bone matrix |
| Ossification | Bone formation (not Open Source Software formation ;P ) |
| Articular cartilage | Hyaline cartilage that covers the ends of a bone in a joint |
| Axial skeleton | The portion of the skeleton that supports and protects the head, neck, and trunk |
| Appendicular skeleton | The portion of the skeleton that attaches to the axial skeleton and has the limbs attached to it |
| Suture | A junction between flat bones of the skull |
| Process | A projection on a bone |
| Meatus | A passageway |
| Foramen | A hole |
| Sinus | A hollowed out space in a bone |
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