A&P STRAIGHTERLINE MAIN EXAMINATION SET
QUESTIONS AND ANSWERS SURE A+
✔✔What term means that both alleles are different? - ✔✔heterozygous
✔✔In humans, somatic cells have ____ chromosomes, while reproductive cells
(gametes) have ____. - ✔✔46;23
✔✔The process of meiosis will _____ as the gametes are produced - ✔✔Cut the
chromosome number by 1/2
✔✔A non-albino female who is a carrier for the albino allele (Aa), mates with an albino
(aa) male. What is the probability that their children will be albino? - ✔✔50%
✔✔What genetic disorder is characterized by lack of skin, hair, eye coloration? -
✔✔Albinism
✔✔A mistake during segregation of chromosomes is called - ✔✔Nondisjunction
✔✔Which of the following chromosome anomalies can be found in either sex? -
✔✔Down Syndrome (trisomy 21)
✔✔A mutation involving a single nucleotide is a _____ mutation. - ✔✔point
✔✔What genetic disorder is the inability to produce normal hemoglobin? - ✔✔Sickle cell
disease
✔✔What g1enetic disorder is caused by having three chromosomes 21? - ✔✔Down
Syndrom
✔✔Down Syndrome is an example of an aneuploidy called - ✔✔Trisomy 21
✔✔What genetic disorder is the failure to produce clotting factors? - ✔✔hemophilia
✔✔What type of epithelial tissue is found lining the trachea? - ✔✔pseudostratified
ciliated columnar epithelium
✔✔What is the permeability barrier that joins the cell membranes of adjacent cells to
form a tight seal? - ✔✔tight junction
✔✔What type of membranes line cavities that open to the outside and often contain
mucous glands? - ✔✔mucous
, ✔✔What type of cells release chemicals in response to injury and play an important role
in inflammation? - ✔✔Mast cells
✔✔A tissue has the following characteristics: abundant extracellular matrix, abundant
collagen fibers, collagen fibers mainly parallel to each other. Which of the following
injuries results in damage to mainly this kind of tissue? - ✔✔tear in the tissue that
attaches the gastrocnemius muscle to bone
✔✔Which of the following types of connective tissue is mismatched with its matrix? -
✔✔cartilage - highly vascular matrix
✔✔What type of cell ingests bacteria? - ✔✔neutrophil
✔✔What type of tissue is contractile? - ✔✔Muscular tissue
✔✔Which of the following is associated with nervous tissue? - ✔✔axon
✔✔Which type of epithelium has the following characteristics: multiple layers,
squamous cell shape, dead outer layers of cells, and keratin present in some cells? -
✔✔stratified keratinized squamous epithelium
✔✔Which of the following pairs is mismatched? - ✔✔endoderm-bone
✔✔The embryonic germ layer that is the source of connective tissue and muscle is -
✔✔mesoderm
✔✔What is the examination of a dead body to determine the cause of death or to study
the changes caused by a disease? - ✔✔Autospy
✔✔An infant born with a genetic defect that causes little or no brown fat to be formed
will have - ✔✔difficulty regulating his body temperature
✔✔Proteoglycans trap large quantities of water and spring back to original shape after
compression. They are found in - ✔✔intervertebral discs.
✔✔What is a disk-shaped structure with especially adhesive glycoproteins around each
cell that bind cells to one another? - ✔✔desmosomes
✔✔Which of the following categories of epithelium is based on cell shape? -
✔✔Columnar
✔✔The type of muscle found in the walls of blood vessels is - ✔✔Smooth
QUESTIONS AND ANSWERS SURE A+
✔✔What term means that both alleles are different? - ✔✔heterozygous
✔✔In humans, somatic cells have ____ chromosomes, while reproductive cells
(gametes) have ____. - ✔✔46;23
✔✔The process of meiosis will _____ as the gametes are produced - ✔✔Cut the
chromosome number by 1/2
✔✔A non-albino female who is a carrier for the albino allele (Aa), mates with an albino
(aa) male. What is the probability that their children will be albino? - ✔✔50%
✔✔What genetic disorder is characterized by lack of skin, hair, eye coloration? -
✔✔Albinism
✔✔A mistake during segregation of chromosomes is called - ✔✔Nondisjunction
✔✔Which of the following chromosome anomalies can be found in either sex? -
✔✔Down Syndrome (trisomy 21)
✔✔A mutation involving a single nucleotide is a _____ mutation. - ✔✔point
✔✔What genetic disorder is the inability to produce normal hemoglobin? - ✔✔Sickle cell
disease
✔✔What g1enetic disorder is caused by having three chromosomes 21? - ✔✔Down
Syndrom
✔✔Down Syndrome is an example of an aneuploidy called - ✔✔Trisomy 21
✔✔What genetic disorder is the failure to produce clotting factors? - ✔✔hemophilia
✔✔What type of epithelial tissue is found lining the trachea? - ✔✔pseudostratified
ciliated columnar epithelium
✔✔What is the permeability barrier that joins the cell membranes of adjacent cells to
form a tight seal? - ✔✔tight junction
✔✔What type of membranes line cavities that open to the outside and often contain
mucous glands? - ✔✔mucous
, ✔✔What type of cells release chemicals in response to injury and play an important role
in inflammation? - ✔✔Mast cells
✔✔A tissue has the following characteristics: abundant extracellular matrix, abundant
collagen fibers, collagen fibers mainly parallel to each other. Which of the following
injuries results in damage to mainly this kind of tissue? - ✔✔tear in the tissue that
attaches the gastrocnemius muscle to bone
✔✔Which of the following types of connective tissue is mismatched with its matrix? -
✔✔cartilage - highly vascular matrix
✔✔What type of cell ingests bacteria? - ✔✔neutrophil
✔✔What type of tissue is contractile? - ✔✔Muscular tissue
✔✔Which of the following is associated with nervous tissue? - ✔✔axon
✔✔Which type of epithelium has the following characteristics: multiple layers,
squamous cell shape, dead outer layers of cells, and keratin present in some cells? -
✔✔stratified keratinized squamous epithelium
✔✔Which of the following pairs is mismatched? - ✔✔endoderm-bone
✔✔The embryonic germ layer that is the source of connective tissue and muscle is -
✔✔mesoderm
✔✔What is the examination of a dead body to determine the cause of death or to study
the changes caused by a disease? - ✔✔Autospy
✔✔An infant born with a genetic defect that causes little or no brown fat to be formed
will have - ✔✔difficulty regulating his body temperature
✔✔Proteoglycans trap large quantities of water and spring back to original shape after
compression. They are found in - ✔✔intervertebral discs.
✔✔What is a disk-shaped structure with especially adhesive glycoproteins around each
cell that bind cells to one another? - ✔✔desmosomes
✔✔Which of the following categories of epithelium is based on cell shape? -
✔✔Columnar
✔✔The type of muscle found in the walls of blood vessels is - ✔✔Smooth
