Exam Questions and CORRECT Answers
Acoustic trauma and noise-induced hearing loss is associated with what? - CORRECT
ANSWER - noise
A hypersensitivity reaction that produces an allergic response is called what? - CORRECT
ANSWER - Anaphylaxis
Which cytokine is produced and released from virally infected host cells? - CORRECT
ANSWER - Interferon-alpha (IFN-a)
Which T-lymphocyte phenotype is the key determinant of childhood asthma? - CORRECT
ANSWER - CD4 helper T2 lymphocytes
Some older adults have impaired inflammation and wound healing because of which problem? -
CORRECT ANSWER - Underlying chronic illess exist
The role of cytokines in cell reproduction is that they: - CORRECT ANSWER - Provide
growth factor for tissue growth and development
Which characteristic is the most important determinant of immunogenicity when considering the
antigen? - CORRECT ANSWER - Foreignness
How do cells receive communication from the extracellular fluid surrounding them? -
CORRECT ANSWER - By chemical messengers such as ligands
In a normal, nonmutant state, an oncogene is referred to as a: - CORRECT ANSWER -
Proto-oncogene
, What is the primary cause of respiratory distress syndrome (RDS) of the newborn? - CORRECT
ANSWER - Surfactant deficiency
Which mode of chemical signaling uses blood to transport communication to cells some distance
away? - CORRECT ANSWER - Hormonal
Which component of the plasma protein system tags pathogenic microorganisms for destruction
by neutrophils and macrophages? - CORRECT ANSWER - Complement cascade
In a type III hypersensitivity reaction, the harmful effects after the immune complexes are
deposited in tissue are a result of: - CORRECT ANSWER - Complement activation
Which statement about exotoxins is true? - CORRECT ANSWER - Exotoxins are released
during bacterial growth
Which intracardiac pressure is generated by atrial contraction? - CORRECT ANSWER -A
wave
Research supports the premise that exercise has a probable impact on reducing the risk of: -
CORRECT ANSWER - colon cancer
Increased capillary hydrostatic pressure results in edema because of: - CORRECT
ANSWER - Sodium and water retention
What is an example of compensatory hyperplasia? - CORRECT ANSWER - Hepatic cells
increase cell division after part of the liver is excised
Which factor contributes to the production of mucus associated with chronic bronchitis? -
CORRECT ANSWER - Increased goblet cell size