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Why are premature infants at particular risk for hyperbilirubinemia? ---------
CORRECT ANSWER-----------------Their red cells have a shorter lifespan and higher
turnover rate.
What are the characteristics of prehepatic jaundice? ---------CORRECT ANSWER-----
------------Mild jaundice, elevated unconjugated bilirubin, normal colored stools,
and no bilirubin in the urine.
What are the known hepatotropic viruses? ---------CORRECT ANSWER-----------------
Hepatitis A virus (HAV), hepatitis B virus (HBV), hepatitis B-associated delta virus
(HDV), hepatitis C virus (HCV), and hepatitis E virus (HEV).
What do all hepatotropic viruses cause? ---------CORRECT ANSWER-----------------
Acute hepatitis.
What factors do hepatotropic viruses differ in? ---------CORRECT ANSWER------------
-----Mode of transmission, incubation period, mechanism, degree and chronicity
of liver damage, and ability to evolve to a carrier state.
,How can the presence of viral antigens and their antibodies be determined? -------
--CORRECT ANSWER-----------------Through laboratory tests.
What other viruses have been shown to be hepatotropic? ---------CORRECT
ANSWER-----------------Human pegivirus (HGV), TT virus (TTV), Sanban virus,
Yonban virus, SEN virus, and TTV-like minivirus.
What is known about the causality of other hepatotropic viruses with liver
disease? ---------CORRECT ANSWER-----------------Causality with significant acute or
chronic liver disease has been difficult to establish.
What is the NV-F viruslike agent associated with? ---------CORRECT ANSWER---------
--------It may exacerbate the severity of chronic hepatitis C.
What percentage of blood donors in the United States have evidence of HGV? -----
----CORRECT ANSWER-----------------1.7%.
Is HGV linked to liver disease? ---------CORRECT ANSWER-----------------No, HGV is
not linked to liver disease or exacerbations of liver disease.
,What controls hunger and satiety? ---------CORRECT ANSWER-----------------A
complex group of neurohormones.
Where are many neurohormones that control hunger produced? ---------CORRECT
ANSWER-----------------In the gastrointestinal tract.
What is the function of neurohormones related to hunger? ---------CORRECT
ANSWER-----------------To stimulate hunger or signal satiety.
What effects do neurohormones control regarding hunger and satiety? ---------
CORRECT ANSWER-----------------Both short- and long-term effects.
Is there still much to learn about the management of hunger and satiety? ---------
CORRECT ANSWER-----------------Yes, there is still much to be learned.
What are the two types of central obesity differentiated by imaging scans? ---------
CORRECT ANSWER-----------------Intra-abdominal adipose tissue (visceral fat) and
subcutaneous abdominal adipose tissue.
, What imaging techniques are used to differentiate types of central obesity? --------
-CORRECT ANSWER-----------------Computed tomography and magnetic resonance
imaging scans.
What does waist circumference measure? ---------CORRECT ANSWER-----------------
Both subcutaneous abdominal adipose tissue and intra-abdominal adipose tissue.
What is one characteristic of visceral fat? ---------CORRECT ANSWER-----------------
The release of adipokines and fatty acids directly to the liver.
What are two examples of adipokines released by visceral fat? ---------CORRECT
ANSWER-----------------TNF-α and adiponectin.
How does excess visceral fat affect liver function? ---------CORRECT ANSWER--------
---------It can lead to fatty liver and insulin resistance in the liver.
What health risks are associated with higher levels of adipokines and free fatty
acids in obesity? ---------CORRECT ANSWER-----------------Cardiovascular adverse
events.