Wray- Test 1 Review Flashcards
Hair matrix is defined as
Location where cell division takes place
Which of the skin cancers is the lease malignant
Basal cell carcinoma
Involved in skin color
- Carotene 2. Melanin 3. Oxygen-packed hemoglobin
Organic molecule
Contains Carbon
Oil and sweat glands are located in which skin layer?
Dermis
Which types of burns can heal on their own?
1st and 2nd degree burns
Which type of sweat gland produces a watery sweat that acts as a cooling mechanism?
eccrine
Which of the following is not an element? A.Iron B. Carbon C. Oxygen D. Water E. Silver
D. Water
Chemical organizational level includes
- Molecular 2. Cellular
Blood vessels can be categorized as
Organ
Anatomy is the study of:
- Body parts in relation to each other 2. Macroscopic or microscopic
Tissue is
A group of cells with the same function
Electrons carry a ________ charge and can be found in the ______ of an atom
- Negative 2. Orbit
The nervous system is the only system that coordinated and control body activities
FALSE
Swelling, redness, and blistering are associated with ________ burn
2nd degree
The hierarchy of organizational level
chemical –> cellular –> tissue –> organ –> organ system –> organismal
Subcutansous layer of the skin is rich in _____ and acts as a ________
fat tissue; shock absorber
Prevention of the heat loss and shielding are functions associated with hair
TRUE
Long term exposure to _____ leads to skin aging and wrinkling
UVA
Cartilage heals _____ than bone
slower
Most superficial layer of skin
epidermis
________ are formed when the dermis layer of skin is separated from epidermis layer
Blisters
Epithelial tissue underneath the nail is known as
Nail bed
Ears are _______ to the nose
Lateral
The head is _______ to the arms
Superior
The sternum is _______ to the heart
Anterior
Which of the following is not a major category of tissue? a. bone b. muscle c. epithelial d. connective
b. muscle
Thyroid belongs to the ___________ system
Endocrine
Tendons belong to the __________ system
Muscular
Urethra belongs to the __________ system
Urinary
This means “to the front of the body”
Anterior
Skin is the most ______________ organ of the body
Superficial
Chemial bond that is formed as a result of uneven sharing of electron between two atoms
Polar covalent
__________ bone is a chemical bond formed between 2 water molecules
Hydrogen bond
Cl- gains an electron and therefore is referred to as a(n)
Anion
Atomic number corresponds to the number of ________ in an atom
Proton
Components of an atom that carries a postiive charge
Proton
Organelle that contains genetic material is known as
Nucleus
Power plant of cells
Mitochondria
Responsible for packaging and delivering proteins and lipids
Golgi Apparatus
Organelle that contain ribosome on its surface
RER
Organelle responsible for protein synthesis
Ribosome
Structures that carry specific functions within the cells
Organelle
Largest organelle in cell
Nucleus
Structure that contains two layers of phospholipid
Plasma membrane
Organic molecule classification for glucose
Carbohydrates
Amino acids are joined together via covalent bond to form
Proteins
Simple sugar that is a source of energy is our body
Glucose
A, U, G, C are nitrogenous bases associated with ______
RNA
Salts are categorized as _________ molecules
Inorganic
Organic molecule classification for DNA and RNA
Nucleic Acid
Organic molecule used for storage of energy in our body
Lipids
Monomers are joined together to form _________
Polymers
Most common type of lipid
triglycerides
Cells responsible for maintaining bone structure
osteocytes
Functional unit of compact bone
osteon
Tiny channels that connect osteocytes together
lamella
Central region of the bond where red and yellow bone marrow are stored
medullary cavity
Cells responsible for bone growth/building
osteoblasts
Layer surrounding the bone that is very rich in blood vessels and connective tissue
periosteom
Long axis of bone in a long bone
Diaphysis
Name of the bone classification that include upper and lower limbs of the body
Appendicular
Central region of the osteon that contains blood vessels and nerves
Central Canal
Which layer of skin is damaged during first degree burns
epidermis
Why can somebody with a 3rd degree burn unable to feel pain?
- Burn goes so deep that it burns nerve endings 2. Once nerve endings start growing, the person will be in a lot of pain!
List two functions of the integumentary system
- Protection from infection 2. Excretion of toxins
