Anatomy and Physiology Exam 1 (SuperExam)
All of the following terms relate to lipids. Which does not belong with the other four?
?????? not bile salts
An electrolyte is
???????????a substance that conducts electricity when placed in solution.
Nails
?????????protect the ends of digits.
DNA
?????contains the sugar deoxyribose
If you accidentally cut your arm and see adipose tissue, which layer(s) was/were cut?
Subcutaneous, dermis, stratum corneum, stratum basale (ALL OF THE CHOICES ARE CORRECT)
The epidermal layer found only in thick skin is
stratum lucidum
What is the permeability barrier that joins the plasma membranes of adjacent cells to form a tight seal?
tight junction
Which type of cell forms bone?
osteoblast
Phospholipids have a hydrophilic end which is
polar and water soluble
Hydrogen bonds form between molecules containing _________ bonds; the hydrogen bond is between a hydrogen atomof one molecule and a partially_________ charged atom of another.
polar covalent; negatively
A term that means "toward the attached end of a limb" is __________.
proximal
Which of the following is correctly matched with its description?
???? not axon
The extracellular matrix of connective tissue contains
???? proteoglycans
Which type of gland discharges fragments of the gland's cells during secretion?
Apocrine
Which of the following type of connective tissue is mismatched with its matrix? Bone-highly vascular Bone-mineralized matrix Cartilage-highly vascular matrix Areolar-loosely packed matrix of protein fibers Blood- fluid matrix
Cartilage-highly vascular matrix
Which of the following is an inflammatory condition of the skin?
Dermatitis
Which type of gland does not have ducts?
Endocrine
Which term is synonymous with the cuticle of the nail?
Eponychium
True or False? Dense irregular collagenous connective tissue that forms during tissue repair is called granulation tissue.
False
In the process of tissue repair, which of the events listed below occurs last?
Granulation tissue develops
Which durable protein is found in the nails, hair, and epidermis?
Keratin
The dermis contains receptors that detect which of the following sections? (Check all that apply.)
Pain Changes in pressure Variations in temperature Touch
In __________, the new cells are the same type as those that were destroyed.
Regeneration
Glands whose ducts have no branches are called __________.
Simple
This stratum contains many layers of dead squamous cells.
Stratum Corneum
Which layer of the epidermis is found only in a few areas of the body?
Stratum lucidum
The femoral region is the
Thigh
Which vitamin begins its synthesis in the skin when the skin is exposed to ultraviolet light?
Vitamin D
Melanin is
absent in individuals with albinism
eccrine sweat glands
aid in cooling the body
Body odor results from secretions from the __________ sweat glands.
apocrine
Which type of cell has abundant mitochondria
cardiac muscle cells (require large amounts of ATP)
The structural and functional unit of all living organisms is the __________.
cell
A connective tissue fiber refers to a __________ and a muscle fiber refers to a __________
complex of macromolecules; entire cell
The nucleus of a cell functions to
control and coordinate cellular activities.
"Cutting off your nose" would be a section in the ________ plane
coronal
The outer surface of the hair is called the __________.
cuticle
What is a disc-shaped structure with especially adhesive glycoproteins around each cell that bind cells to one another?
desmosomes
When ionic compounds dissolve in water, their ions
dissociate or separate from one another
Covalent bonds form when
electrons are shared between two atoms
This layer of skin is composed of keratinocytes.
epidermis
A slight sunburn is an example of a ______ burn.
first degree
Phospholipids are
found in plasma membranes.
Which type of burn involves damage to the epidermis, dermis, and subcutaneous tissue?
full thickness ?????????
In reference to the body temperature in living organisms, the set point can be defined as the
ideal normal value
Reticular tissue is found in
lymphatic organs
Cytoplasm is found
outside the nucleus but inside the plasma membrane.
The main components of the plasma membrane are
proteins, lipids, carbohydrates
Suturing a large wound
reduces risk of infection and helps to heal faster.
A vertical plane that separates the body into right and left portions is called a _____ plane.
sagittal
Which type of epithelial tissue is found in the stomach?
simple columnar epithelium
The pleural cavity is the
space located between the visceral and parietal pleura???????????????? not serous membrane that covers lungs
An epithelial tissue has multiple layers, flat and irregular cell shape, dead outer layers of cell, and keratin present in some cells. This is
stratified keratinized squamous epithelium.
The epidermal stratum that is composed of several layers of living cells held together by desmosomes is the ________
stratum spinosum
Touch receptors of the skin are located in all of these areas, except
within the hair of the dermis and epidermis