A&P X1 Flashcards
The 20 amino acids coded for in the human genome, have a very similar structure, but each differs from another in the 
Structure of the R chain 
Elements that have atoms with one or two electrons in the valence shell 
Will normally form Cations
A neurotransmitter binds to a cellular protein and results in the facilitated diffusion of Na+ ions into the cell. The charge inside the cell becomes more positive. The protein is an example of.
A ligand-gated channel
The type of sweat gland found in the axillary region would be called:
Apocrine
Specialized cells in the adrenal cortex produce and secret Cortisone a lipid hormone. You would expect the cells to be rich in.
Smooth ER 
Tendons and ligaments are composed mainly of dense, irregular connective tissue, true or false
True
The primary source of cellular fuel is
Glucose 
A gland in which part of the cell breaks off and is secreted is called an
Apocrine gland
The group of organic compounds contain carbon, hydrogen and oxygen in a near 1:2:1 ratio is defined as a
Carbohydrate 
Striations and unicellular cells are found in cardiac muscle.
true or false
True
Off the following choices the pH of the most alkaline solution is a
A). 6.0 (b). 4.5 (c). 2.3 (d). 1.0 (e). 8.0
(E). 8.0
During mitosis, chromosomes are split at the centromere during____
Anaphase
Following mitosis two daughter cells forms, each of which has
The same number of chromosomes as the original cell 
Select the correct statement regarding epithelia
A. simple epithelia form impermeable barriers.
B. stratified epithelia are tall, narrow cells
C. stratified epithelia are present, where protection from abrasion is important.
D. Pseudostratified epithelia consist of at least two layers of cells.
stratified epithelia are present, where protection from abrasion is important.
In a Thermoregulatory negative feedback loop the effector could be__
Blood vessels, Muscles, or Sweat glands.
You would expect a peptide bond to link
Two amino acids 
The fiber type that would be most abundant in the bone marrow would be
Reticular fiber
The maintenance of a constant internal environment in an organism is termed
Homeostasis
The major Cation inside of cells
Potassium (K+)
Squamous cell carcinoma arises from which layer of the skin
Stratum Spinosum
A chemical bond, which involves the equal sharing of electrons would be considered
Covalent and non-polar
Neutral fats contain three fatty acids, and a molecule of
Glycerol
A shortage of cholesterol in the body could interfere with the formation of
Sex hormones and plasma membranes
The intercellular junction type that allows solute to pass from cell to cell is called
Gap junctions
The cell grows and stores nutrients for cell division during which phase of the cell cycle
G2 phase
An epithelium, that forms the lining of the alveoli in the lungs
Simple squamous
The most important first aid treatment for severe burn victims is
Fluid and electrolyte replacement
vestigial muscle attached to the hair follicles that cause goosebumps
PiloErector muscles
An actively secreting cell found in elastic cartilage tissue is called a
Chondroblast
A chemical reaction in which larger molecules are broken down into smaller building blocks would be considered
Catabolic
The layer of the epidermis, which is responsible for cell division and replacement
Stratum Basale
What feature characterizes pseudo stratified columnar epithelium of the respiratory tract
Goblet cells
Cells with relatively fluid cell membrane would have a high concentration of cholesterol.
true or false
False
The embryonic germ layer that gives rise to the nervous system, is the
Ectoderm
Exocrine secretions are released into the bloodstream, and generally have a widespread effect.
True or false
False
Glands that discharge of waxy secretion into the ear canal are
Ceruminous glands
All glands that release their products by way of ducts, rather than directly into the bloodstream are called
Exocrine
Compounds from peroxisomes that help neutralize free radicals are called
Anti-oxidants
The area of cell division in the hair is called the
Hair matrix
In all mucous membranes an epithelium rests on the connective tissue layer called
The lamina propria
The carbohydrate portion of glycoproteins appear on the intracellular phase of the cell membrane.
True or false
False
A second-degree burn completely destroys the epidermis and dermis
False
The analysis of the internal structure of individual cells is called
Cytology
A Botox needle would pierce the epidermal layers of the eyelids in which order
Corneum, granulosum, spinosum, basale
Tissue growth due to increase in cell number is called
Hyperplasia
glycocalyx
(Fig. #1)
A
Peripheral protein
(Fig. #1)
E
Hydrophobic region
(Fig. #1)
C
Glycoprotein
(Fig. #1)
D
Phosphate head
(Fig. #1)
B
Sebaceous gland
(Fig. #2)
B
Papillary layer
(Fig. #2)
A
Hypodermis
(Fig. #2)
E
Sweat gland
(Fig. #2)
A & B
Reticular layer
(Fig. #2)
F
What type of tissue is found in area A?
(Fig. #2)
Areolar tissue
What type of tissues found in C?
(Fig. #2)
Dense irregular
