Hi, please help me with my assignment. All questions please. 1. The metabolic precursor for the production of most eicosanoids is a. Cholesterol b. Sphingosine c. Arachidonic acid d. Eicosapentanoic acids 2. Aspirin reduces inflammation and fever by inhibiting the formation of which of the following types of messenger lipids? a. Prostaglandins b. Thromboxanes c. Leukotrienes d. Progestins 3. Which of the following is a correct pairing of concepts? a. Male sex hormones: androgens b. Pregnancy hormones: estrogen c. Female sex hormones: progestins d. After menopause hormones: estradiol 4. Which of the following substances is associated with Na+/K+ balance in the human body? a. Cortisol b. Cortisone c. Aldosterone d. Prednisolone 5. Which of the following statements concerning steroid hormones is correct? a. Some, but not all of them, are cholesterol derivatives. b. Some, but not all of them, are glucose derivatives. c. Some, but not all of them, are fatty acid derivatives. d. All of them are cholesterol derivatives 6. Which of the following statements concerning bile acids is incorrect? They are... a. Insoluble in water b. Emulsifying agents c. Cholesterol derivatives d. Conjugated with amino acids to form bile salts 7. Which of the following statements concerning structural characteristics of bile acids is correct? a. No hydroxyl groups are present b. More hydroxyl groups are present than in cholesterol c. Fewer hydroxyl groups are present than in cholesterol d. Both have the same hydroxyl groups present w/ cholesterol 8. The biochemical function for the cholesterol present in cell membranes is a. Cell recognition b. Regulate membrane rigidity c. Impart polarity to the interior membrane d. Prevent tight packing of fatty acid chains 9. Which of the following membrane transport mechanism requires both the aid of proteins and the expenditure of cellular energy? a. Water transport b. Active transport c. Passive transport d. Facilitated transport 10. Which of the following types of membrane lipids has steroid structure? a. Cholesterol b. Globosides c. Triacylglycerol d. Sphingoglycolipids 11. Associated with severe hypertriglyceridemia a. LDL predominantly increased b. HDL is predominantly increased c. VLDL and chylomicrons increased d. VLDL increased; chylomicrons maybe increased 12. Which of the following statements concerning cholesterol is correct? a. An alcohol functional group is present in the steroid structure. b. The cholesterol associated with LDL is often called good cholesterol c. The lipoprotein HDL distributes cholesterol to various parts of the human body d. The lipoprotein VLDL transport dietary cholesterol from intestine back to the liver 13. A 10-year old boy was evaluated for burning sensations in his feet and cluster of small, red- purple spots on his skin. Laboratory studies revealed protein in his urine. Enzymatic analysis revealed a deficiency of α-galactosidase, and enzyme replacement therapy was recommended. The most like diagnosis is: a. Fabry disease b. Farber disease c. Gaucher disease d. Krabbe disease 14. What possible sphingoglycolipids will accumulate from the enzyme deficiency mentioned in number 13? a. Sulfatides b. Globosides c. Gangliosides d. Glucocerebrosides 15. What is the structural feature of the accumulated membrane lipids involve in the case number 13 and 14? a. Sphingosine + FA + choline b. Sphingosine + 1FA + glucose c. Sphingosine + 1FA + oligosaccharide d. Glycerol + 2FA + Phosphate + ethanolamine 16. Glycophospholipid that is associated with lung surfactant a. Phosphatidylethanolamine b. Phosphatidylinositol c. Phosphatidylcholine d. Phosphatidylserine 17. Based on biological function, phospholipids are classified as a. Membrane lipids b. Messenger lipids c. Energy-storage lipids d. Emulsification lipids 18. In terms of human body response to dietary fat, which of the following is considered to be “good fat”? a. Trans-fat b. Saturated fats c. Monounsaturated fats d. Polyunsaturated fats 19. Linolenic acid and Linoleic acid, the essential fatty acids, are respectively, a. 16:1 and 18:1 fatty acids b. 18:2 and 18:3 fatty acids c. 18:3 and 18:2 fatty acids d. 20:5 and 22:6 fatty acids 20. A lipid is any substance of biochemical origin that is a. Soluble in water but insoluble in nonpolar solvents b. Insoluble in water but soluble in nonpolar solvents c. Soluble in both water and nonpolar solvents d. Insoluble in both water and nonpolar solvents
Hi, please help me with my assignment. All questions please.
1. The
a. Cholesterol
b. Sphingosine
c. Arachidonic acid
d. Eicosapentanoic acids
2. Aspirin reduces inflammation and fever by inhibiting the formation of which of the
following types of messenger lipids?
a. Prostaglandins
b. Thromboxanes
c. Leukotrienes
d. Progestins
3. Which of the following is a correct pairing of concepts?
a. Male sex hormones: androgens
b. Pregnancy hormones: estrogen
c. Female sex hormones: progestins
d. After menopause hormones: estradiol
4. Which of the following substances is associated with Na+/K+ balance in the human body?
a. Cortisol
b. Cortisone
c. Aldosterone
d. Prednisolone
5. Which of the following statements concerning steroid hormones is correct?
a. Some, but not all of them, are cholesterol derivatives.
b. Some, but not all of them, are glucose derivatives.
c. Some, but not all of them, are fatty acid derivatives.
d. All of them are cholesterol derivatives
6. Which of the following statements concerning bile acids is incorrect? They are...
a. Insoluble in water
b. Emulsifying agents
c. Cholesterol derivatives
d. Conjugated with amino acids to form bile salts
7. Which of the following statements concerning structural characteristics of bile acids is
correct?
a. No hydroxyl groups are present
b. More hydroxyl groups are present than in cholesterol
c. Fewer hydroxyl groups are present than in cholesterol
d. Both have the same hydroxyl groups present w/ cholesterol
8. The biochemical function for the cholesterol present in cell membranes is
a. Cell recognition
b. Regulate membrane rigidity
c. Impart polarity to the interior membrane
d. Prevent tight packing of fatty acid chains
9. Which of the following membrane transport mechanism requires both the aid of proteins
and the expenditure of cellular energy?
a. Water transport
b. Active transport
c. Passive transport
d. Facilitated transport
10. Which of the following types of membrane lipids has steroid structure?
a. Cholesterol
b. Globosides
c. Triacylglycerol
d. Sphingoglycolipids
11. Associated with severe hypertriglyceridemia
a. LDL predominantly increased
b. HDL is predominantly increased
c. VLDL and chylomicrons increased
d. VLDL increased; chylomicrons maybe increased
12. Which of the following statements concerning cholesterol is correct?
a. An alcohol
b. The cholesterol associated with LDL is often called good cholesterol
c. The lipoprotein HDL distributes cholesterol to various parts of the human body
d. The lipoprotein VLDL transport dietary cholesterol from intestine back to the liver
13. A 10-year old boy was evaluated for burning sensations in his feet and cluster of small, red- purple spots on his skin. Laboratory studies revealed protein in his urine. Enzymatic analysis revealed a deficiency of α-galactosidase, and enzyme replacement therapy was recommended. The most like diagnosis is:
a. Fabry disease
b. Farber disease
c. Gaucher disease
d. Krabbe disease
14. What possible sphingoglycolipids will accumulate from the enzyme deficiency mentioned
in number 13?
a. Sulfatides
b. Globosides
c. Gangliosides
d. Glucocerebrosides
15. What is the structural feature of the accumulated membrane lipids involve in the case
number 13 and 14?
a. Sphingosine + FA + choline
b. Sphingosine + 1FA + glucose
c. Sphingosine + 1FA + oligosaccharide
d. Glycerol + 2FA + Phosphate + ethanolamine
16. Glycophospholipid that is associated with lung surfactant
a. Phosphatidylethanolamine
b. Phosphatidylinositol
c. Phosphatidylcholine
d. Phosphatidylserine
17. Based on biological function, phospholipids are classified as
a. Membrane lipids
b. Messenger lipids
c. Energy-storage lipids
d. Emulsification lipids
18. In terms of human body response to dietary fat, which of the following is considered to be
“good fat”?
a. Trans-fat
b. Saturated fats
c. Monounsaturated fats
d. Polyunsaturated fats
19. Linolenic acid and Linoleic acid, the essential fatty acids, are respectively,
a. 16:1 and 18:1 fatty acids
b. 18:2 and 18:3 fatty acids
c. 18:3 and 18:2 fatty acids
d. 20:5 and 22:6 fatty acids
20. A lipid is any substance of biochemical origin that is
a. Soluble in water but insoluble in nonpolar solvents
b. Insoluble in water but soluble in nonpolar solvents
c. Soluble in both water and nonpolar solvents
d. Insoluble in both water and nonpolar solvents
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