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4. Ethanal (acetaldehyde), rather than ethanol, causes many of the physiologica problems associated with alcohol abuse....
Ethanol in the body is oxidized to acetaldehyde by liver alcohol dehydrogenase (LADH). Other alcohols are...
Ethanol in the body is oxidized to acetaldehyde by liver alcohol dehydrogenase (LADH). Other alcohols are also oxidized by LADH. Methanol, which is mildly intoxicating, is oxidized by LADH to the highly toxic product formaldehyde. The toxic effects of methanol (a component of many commercial solvents and "wood alcohol" in moonshine) can be reduced by administering ethanol. The ethanol acts as a competitive inhibitor of methanol by displacing it from LADH. This provides sufficient time for the methanol to be...
Case 1-Liver Cirrhosis A fifty-seven year old man with a history of alcohol abuse presents with...
Case 1-Liver Cirrhosis A fifty-seven year old man with a history of alcohol abuse presents with the following signs or symptoms prolonged prothrombin time (PT); ascites and peripheral edema; enlarged breast tissue; steatorrhea, and periods of mental confusion; jaundice. He is diagnosed with alcoholic cirrhosis of the liver. 1. Define PT and explain why it is prolonged in our patient. What is the relationship between this value and his likelihood of clotting or bleeding abnormally? 2. What is portal hypertension?...
1. How many economic problems are a result of alcohol use and abuse? 2. What sources...
1. How many economic problems are a result of alcohol use and abuse? 2. What sources of information on the web could you find that discussed the costs of alcohol use and abuse? Please provide some websites that may be of interest to the class. 3. Go to the following website (below) and compute various costs of alcohol use. Let the class know what you calculated and discuss what this might mean to a college student: http://www.collegedrinkingprevention.gov/collegestudents/calculator/calculator.aspx
What does Antabuse do? A. causes uncomfortable bloating in the drinker B. blocks the enzyme acetaldehyde...
What does Antabuse do? A. causes uncomfortable bloating in the drinker B. blocks the enzyme acetaldehyde dehydrogenase C. speeds the conversion of acetaldehyde to acetate D. causes rapid excretion of alcohol by the kidneys 2.An alcoholic beverage contains 40 grams of alcohol. How many kcal does this alcohol supply? A. 160 B. 280 C. 360 D. It depends on the other components of the beverage. 3.What is the system that metabolizes excess alcohol and drugs? A. OIDS B. MEOS C....
As discussed in the section on cirrhosis, many patients develop protein-energy malnutrition and wasting during the...
As discussed in the section on cirrhosis, many patients develop
protein-energy malnutrition and wasting during the course of
illness. Review Table 19-4 on p. 542 to find examples of problems
that may lead to malnutrition.
6. Select three nutrition or medical problems (from the
“Examples” column). Indicate which three nutrition or medical
problems were selected and why were they selected.
7. Discuss how complications of liver disease may cause the
problems you selected.
8. What dietary or medical treatments can...
4) (7 marks) Liver alcohol dehydrogenases (ADH) is relatively nonspecific. Its normal substrate is ethanol, however,...
4) (7 marks) Liver alcohol dehydrogenases (ADH) is relatively nonspecific. Its normal substrate is ethanol, however, it will oxidize other primary alcohols, such as methanol, to their corresponding aldehydes. In the case of methanol this produces formaldehyde, which is quite toxic and can lead to blindness. Mistaking it for the cheap wine she usually prefers, my dog Lulu ingested about 36 mL of windshield washer fluid, which is an aqueous solution of 50% v/v methanol. I knew that methanol would...
Leader name 4. Methanol is a highly poisonous solvent, chemically similar to ethanol (alcohol) and similar...
Leader name 4. Methanol is a highly poisonous solvent, chemically similar to ethanol (alcohol) and similar in appearance and scent. In the US, methanol poisoning is most likely to occur from Ingestion of windshield wiper fluid or other household or industrial products. Poisoning can also occur from drinking adulterated alcoholic beverages Methanol is broken down to formaldehyde by alcohol dehydrogenase (ADH), and then the formaldehyde is broken down to formic acid by aldehyde dehydrogenase (ALDH). Formic acid is highly toxic...
Quiz #5: Chapter 12 • Alcohol, Tobacco & Other Drugs • 1. Be able to define: drug abuse, drug misuse, protective fac...
Quiz #5: Chapter 12 • Alcohol, Tobacco & Other Drugs • 1. Be able to define: drug abuse, drug misuse, protective factors, risk factors, social ecology 2. What is the estimated economic cost of substance abuse in the United States per year? 3. What is the form of alcohol that is now recognized in most heavy-episodic drinking? 4. By April 2016, the average retail cost of a pack of cigarettes in what state was the highest in the nation at...
A 52-year-old man with a history of AIDS, hypertension, diabetes mellitus, and alcohol abuse was found...
A 52-year-old man with a history of AIDS, hypertension, diabetes mellitus, and alcohol abuse was found unconscious in his home by his roommate. In the ER, he was hypotensive (103/60 mm Hg), febrile (101º F), and unresponsive. Computed tomography scan of the abdomen showed cholecystitis and gallstones. The patient was diagnosed with acute renal failure. He was administered intravenous fluids; BUN fell to 68 mg/dL and creatinine fell to 2.2 mg/dL. The patient’s blood culture report was positive for E....
CASE STUDY 27.1 A52-year-old man with a history of AIDS, hypertension, iabetes mellitus, and alcohol abuse...
CASE STUDY 27.1 A52-year-old man with a history of AIDS, hypertension, iabetes mellitus, and alcohol abuse was found uncon- scious in his home by his roommate. In the emergency department, he was (temperature 101°F), and unresponsive. Computed tomog- raphy scan of the abdomen showed cholecystitis and gallstones. Laboratory data are listed. The patient was was administered intravenous fluids; BUN fell to 68 mg/dL and creatinine fell to 2.2 mg/dL.The patient's blood culture report was positive for E. coli. He was...
Case 1-Liver Cirrhosis A fifty-seven year old man with a history of alcohol abuse presents with the following signs or symptoms prolonged prothrombin time (PT); ascites and peripheral edema; enlarged breast tissue; steatorrhea, and periods of mental confusion; jaundice. He is diagnosed with alcoholic cirrhosis of the liver. 1. Define PT and explain why it is prolonged in our patient. What is the relationship between this value and his likelihood of clotting or bleeding abnormally? 2. What is portal hypertension?...
As discussed in the section on cirrhosis, many patients develop
protein-energy malnutrition and wasting during the course of
illness. Review Table 19-4 on p. 542 to find examples of problems
that may lead to malnutrition.
6. Select three nutrition or medical problems (from the
“Examples” column). Indicate which three nutrition or medical
problems were selected and why were they selected.
7. Discuss how complications of liver disease may cause the
problems you selected.
8. What dietary or medical treatments can...
4) (7 marks) Liver alcohol dehydrogenases (ADH) is relatively nonspecific. Its normal substrate is ethanol, however, it will oxidize other primary alcohols, such as methanol, to their corresponding aldehydes. In the case of methanol this produces formaldehyde, which is quite toxic and can lead to blindness. Mistaking it for the cheap wine she usually prefers, my dog Lulu ingested about 36 mL of windshield washer fluid, which is an aqueous solution of 50% v/v methanol. I knew that methanol would...
Leader name 4. Methanol is a highly poisonous solvent, chemically similar to ethanol (alcohol) and similar in appearance and scent. In the US, methanol poisoning is most likely to occur from Ingestion of windshield wiper fluid or other household or industrial products. Poisoning can also occur from drinking adulterated alcoholic beverages Methanol is broken down to formaldehyde by alcohol dehydrogenase (ADH), and then the formaldehyde is broken down to formic acid by aldehyde dehydrogenase (ALDH). Formic acid is highly toxic...
CASE STUDY 27.1 A52-year-old man with a history of AIDS, hypertension, iabetes mellitus, and alcohol abuse was found uncon- scious in his home by his roommate. In the emergency department, he was (temperature 101°F), and unresponsive. Computed tomog- raphy scan of the abdomen showed cholecystitis and gallstones. Laboratory data are listed. The patient was was administered intravenous fluids; BUN fell to 68 mg/dL and creatinine fell to 2.2 mg/dL.The patient's blood culture report was positive for E. coli. He was...
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Question 501 pts
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