Which of the following is an organelle that is associated with centrioles?
Centrosome (Ch. 7)
Which of the following is considered a CORRECT description of vacuoles?
Spaces or cavities within the cytoplasm
Ribosomes are organelles of the cell that are associated with what type of production?
Protein
Which of the following forms the intercellular junctions between cells?
Desmosome
Which of the following organelles of the cell are associated with manufacture of energy for the cell?
Mitochondria
Which of the following serves as an avenue of communication between the inner nucleoplasm and the outer cytoplasm?
Pore
Which of the following is the rounded nuclear organelle that is often centrally placed?
Nucleus
Which of the following are metabolically inert substances or transient structures within the cell?
Inclusions
Which of the following is the chief nucleoprotein in the nondividing nucleoplasm?
Chromatin
During wha phase of mitosis does the chromatin condense into chromosomes?
Prophase
Which of the following would be considered the CORRECT definition of lysosomes?
Organelles of the cell functioning in both intracellular and extracellular digestion
Which of the following are considered separate concentrations of chromatin in a dividing nucleus of a cell?
Chromosomes
Which of the following is considered the third phase of mitosis with the separation of two chromatids of each chromosome and migration?
Anaphase
Which organelle of the cell is involved in protein segregation, packaging and transport?
Golgi apparatus
Where is the cytoplasm of the cell located?
within the cell membrane
Tonofilaments are intermediate filaments that have a MAJOR role in _____ junctions.
Intercellular
How many filamentous daughter chromosomes are joined at a centromere of the chromatids during cell division?
Two
A hemidesmosome forms the type of intercellular junction involving an attachment of a cell to nearby:
Noncellular surface
Which of the following cells initially produces the cartilage tissue?
Chondroblast
An immunogen is also considered which of the following?
a. Antibody
b. Immunoglobulin
c. Antigen
d. Immune complex
Antigen
Which of the following cells synthesizes intercellular substance as well as protein fibers?
a. macrophage
b. monocyte
c. fibroblast
d. chondroblast
Fibroblast
Which of the following is considered the connective proper of the skin?
a. dermis
b. submucosa
c. hypodermis
d. lamina propia
Dermis
Name the 3 types of muscles
cardiac, skeletal, smooth
How does the epithelial tissue renew itself
Mitosis of basal cells
Buccal mucosa renews itself in ______ days
10-14
Gingival tissue renews itself in ______ days.
4-6
Epithelium consisting of several layers with only the basal cell layer in contact with the basal lamina is known as
a. squamous
b. stratified
c. simple squamous
d. pseudostratified
stratified
Each neuron is made up of three parts: the ____, ____, and the ____.
a. axon, cell body, dendrite
b. Schwann cell, dendrite, neuroglia
c. axon, cell body, neuroglia
d. myelin sheath, axon, Schwann cell
Axon, cell body, dendrite
Connective tissue may be subdivided into ____, ____, and ____.
a. cartilage, bone, blood
b. hyaline, elastic, fibrous
c. cells, fibers, intercellular substances
d. dense, loos, cancellous
Cartilage, bone, blood
Three types of cartilage are ___, ___, and ____.
a. elastic, compact, cancellous
b. dense, loose, cancellous
c. hyaline, elastic, fibrous
d. cells, fibers, intercellular substances
Hyaline, elastic, fibrous
What are four functions of the skin system in the human body?
To excrete waste products, eliminate heat, protect against invasion of foreign materials and receive stimuli from outside the body
True/False: One of blood's functions is to provide protection from bacteria
True
Where is the tuberculum impar located in the embryo during development?
Midline
Which of the following structures is directly derived from the implanted blastocyst?
a. fetus
b. embryo
c. ovum
d. sperm
embryo
Somites are paired cuboidal aggregates of cells directly differentiated from the:
Mesoderm
Which of the following is the BEST term used for the embryonic layer located between the ectoderm and endoderm?
Mesoderm
Which type of stain is tetracycline stain considered?
Intrinsic
The hypoblast layer is also considered part of which of the following structures?
a. superior layer of the bilaminar disc
b. layer of peripheral blastocyst cells
c. inferior layer of the bilaminar disc
d. inner mass of embryonic cells
Inferior layer of the bilaminar disc
Which of the following is a viral infection that can serve as a teratogen and thus is transmitted by way of placenta to embryo from the pregnant woman?
a. down syndrome
b. tetracycline
c. rubella
d. syphillis
Rubella
A blastocyst is a structure formed during prenatal development consisting of _____ cells and an inner mass of cells that finally develop into the embryo.
Trophoblast
Which of the following is the CORRECT definition of a histodifferentiation?
Development of different tissues
Which of the following cell types is known to directly influence the ectomesenchyme?
a. odontoblasts
b. neural crest
c. ameloblasts
d. inner enamel epithelium
Neural crest
Where is the primitive streak located within the embryonic disc?
Middle
Which of the following is the posterior portion of the future digestive tract?
a. cephalic end
b. caudal end
c. hindgut
d. foregut
Hindgut
Which of the following is the BEST term used for a fertilized egg from the union of ovum and sperm?
Zygote
Which of the following is the prenatal diagnostic procedure that samples amniotic fluid?
a. apposition
b. amelogenesis
c. amniocentesis
d. ankylogloassia
Amniocentesis
Congenital malformations are birth defects or developmental problems that are evident
At birth
An ectopic pregnancy has implantation directly occurring
outside the uterus
Which of the following can be considered the process of reproductive cell production that ensures the CORRECT number of chromosomes?
a. morphodifferentiation
b. metaphase
c. mitosis
d. meiosis
Meiosis