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Terms in this set (343)
Which type of genetic disease Sex-Linked recessive. Since males only have one X and one Y, if the
affects males more frequently affected chromosome has the illness, it will be expressed.
than females?
In which two conditions are Intellectual disability and fetal miscarriage. Chromosome
chromosomal abnormalities the abnormalities are the leading known cause of intellectual
leading known cause? disability and fetal miscarriage.
Chorionic villus sampling (CVS), amniocentesis, and preimplantation
genetic testing (PGT) are examples of prenatal diagnostic studies
and are performed in vitro. CVS is a form of genetic testing that
What are three examples of
provides genetic information found in utero and is
prenatal diagnostic studies?
usually performed between weeks 11 and 14 of pregnancy. An
amniocentesis is a form of genetic testing that evaluates amniotic
fluid and is usually performed during the second trimester, between
weeks 15 and 20 of pregnancy. PGT is performed on the embryo
prior to implantation.
Which genetic disorder is Cri du chat syndrome (translated as "cry of the cat") is caused by a
characterized by the presence of DNA deletion. This term describes the cry often heard from a baby
a zygote having one affected by the syndrome. Cri du chat syndrome can present as a
chromosome with a normal microcephalic, low birth-weight baby with a
complement of genes and one piercing cry.
chromosome with a missing gene?
The disease can be transmitted through female carriers.
How can an X-linked recessive Since females have two copies of the X chromosome, the mother
disease skip generations? may provide an unaffected X to a daughter or son. Furthermore, a
daughter may not show signs of
the disease because she has the other X (the only X the father can
give to a female) to cancel it out.
,Which type of risk is referred to as Relative risk is a ratio of probability, not an actual occurrence of disease.
the ratio of the disease rate
among the entire
population to the disease rate in
an unexposed population?
Many factors from lifestyle to genetics affect multifactorial
What are the empirical risks
diseases. Observation and evaluation of each case individually
for most multifactorial
provides the most thorough and accurate assessment.
diseases based on?
What refers to the silenced gene of The imprinted gene is the silent gene of a gene pair.
a gene pair.
What is the primary reason that The underlying chronic illness exists.
some older adults have impaired A generalized inflammatory response seen in chronic illness
inflammation and depletes the body's reserves to fight against illness.
wound healing?
Which cells are the body's primary Eosinophils are the body's primary defense against parasites.
defense against parasite
invasion?
What Phagocytes bacteria? Macrophages work by eating or phagocytosing bacteria.
What is the first response to a Helper T cells
foreign pathogen?
Which characteristic is the most Immunogenicity is primarily based on the ability to recognize something
important determinant of foreign.
immunogenicity when
considering the antigen?
How are erythrocytes destroyed The complement pathway is activated in response to blood incompatibility.
when
mismatched blood is administered,
causing an ABO incompatibility?
What is the hypersensitivity An immediate (type I) hypersensitivity reaction causes atopic dermatitis.
reaction that causes atopic
dermatitis?
Infection with a fungus is called mycosis and includes dermatophytes
Which four infections are
(e.g., tineas, which refers to several skin mycoses, including
considered fungal infections?
ringworm and athlete's foot) and yeasts, which include candida
and aspergillus.
, Lab testing can detect HIV RNA 4 to 10 days after sexual
When is the earliest after sexual
transmission of HIV that lab results transmission, whereas HIV antibody testing may take 23 to 90 days
can detect infection? to result in a positive test. Repeat testing may be needed to rule
out a false negative test due to testing too soon after
exposure, especially if a high likelihood of exposure is suspected.
What is a characteristic of exotoxins? Exotoxins are released during bacterial growth.
Which dietary lifestyle choice has The results of decreased fat consumption have been widely studied
been associated with a and have demonstrated a decreased risk of developing colon
decreased risk for cancer.
developing colon cancer?
Which cancer is an individual Asbestos exposure results in an increased risk of lung and lung lining cancer.
who has worked with asbestos
for over 40 years most likely
to develop?
Which statement is true regarding UV light causes basal cell carcinoma and squamous cell carcinoma
ultraviolet (UV) light? when the UVB rays hit DNA strands, causing thymine base pairs
The degree of damage is not that are side by side to pair
affected by the light's together, becoming thymine dimers. These thymine dimers lead to
wavelength. cell death or cancer.
Which cancer does exercise have Exercise-induced myokines cause apoptosis of colon cancer cells.
a convincing impact on
reducing?