Steatohepatitis is a type of fatty liver disease, characteri…

Steatohepatitis is a type of fatty liver disease, characterized by inflammation of the liver with concurrent fat accumulation in liver. It can be caused by chronic, excessive use of alcohol. It involves the accumulation of free fatty acids, which overwhelm the hepatocyte’s ability to maintain lipid homeostasis, leading to a toxic effect as fat molecules accumulate.  Excess lipid accumulates in vesicles that displace the cytoplasm, distort the nucleus, and the cells may burst. This abnormal lipid deposition triggers the immune system via toll-like receptor 4 (TLR4). Which of the following are true with regard to toll-like receptors?

Serotonin is a neurotransmitter utilized in both the CNS and…

Serotonin is a neurotransmitter utilized in both the CNS and PNS. Cancer chemotherapy increases serotonin release in the digestive tract. Serotonin binds to 5HT3 receptors which can result in the nausea and vomiting associated with chemotherapy.  Medications, such as ondansetron, (a 5HT3 receptor blocker), are used to alleviate nausea.  What subdivision of the PNS directly controls the gastrointestinal system?

In 1971, scientists solved the long standing puzzle of how a…

In 1971, scientists solved the long standing puzzle of how aspirin works. Aspirin and related nonsteroidal anti-inflammatory drugs (NSAIDS) are used to treat a wide variety of inflammatory disorders and are successful in reducing fever, pain and inflammation. NSAIDS inhibit_____, which is a key enzyme involved in the synthesis of ______.