Quick Biochemistry - Fats And Fatty Acid Metabolism (Section 11)
1
Which of the following is NOT typically an intermediate in the production of phosphatidyl choline?
2
A high iodine value suggests what about a lipid?
3
Which class do cholesterol, bile salts, vitamin D, and sex hormones belong to?
4
What are water-soluble molecular clusters of lipids called?
5
How does hypoglycemia affect the body's metabolic processes related to insulin?
6
What is the process of breaking down glycogen into glucose in the liver and pyruvate/lactate in the muscle called?
7
What do phospholipids facilitate the transport of across a membrane?
8
What is a preventative measure for osteomalacia involving vitamins?
9
What is the common name for milk sugar?
10
What nutrient does Intrinsic Factor (from gastric juice) primarily assist in the absorption of?
11
At what pH range does lipase typically function?
12
Which organ is responsible for the production of bile?
13
What is the non-protein component of rhodopsin?
14
Which metabolic process utilizes NADPH as a necessary component?
Answer(A)
Extramitochondrial folic acid synthesis
15
Which lipoprotein complex is associated with the activity of LCAT?
16
During beta-oxidation of fatty acids, which molecules function as coenzymes?
17
Which lipoprotein exhibits the highest electrophoretic mobility and the lowest triglyceride content?
18
What condition can be slowed down by essential fatty acids?
19
In what form is the majority of absorbed fat found?
20
What is the approximate daily urea excretion in grams?
21
Which medical condition is associated with the presence of Uremia?
22
What compound results from the interaction of hemoglobin and carbon monoxide?
23
What compound is created when hemoglobin is oxidized by an oxidizing agent?
Answer(C)
Potassium ferrocyanide (K4Fe(CN)6)
24
Which substance can convert methemoglobin back into hemoglobin?
25
At what temperature range are fats typically solid?
26
What are the esters of fatty acids with alcohols other than glycerol known as?
27
Which substance acts as the primary physiological buffer in blood?
28
Which of the following has NOT been utilized to assess the glomerular filtration rate?
29
How does the glomerular filtration rate correlate with serum creatinine levels?
30
Which of the following substances would NOT cause cloudiness in urine?
31
A urine specific gravity reading of 1.054 suggests which of the following conditions?
Answer(D)
Presence of sugar or protein
32
In cases of jaundice caused by the breakdown of red blood cells, what is the typical level of bilirubin found in the urine?
33
In jaundice resulting from a blockage, what is the typical level of bilirubin found in the urine?
34
In jaundice caused by the destruction of red blood cells, what is the usual state of bilirubin in the urine?
35
What is the approximate pH of gastric fluid in infants?
36
The normal pH of blood is around 7.4. What is the approximate ratio of (NaHCO3) to (H₂CO₃) under these conditions?
37
Which vitamin deficiency can lead to a reduction in glucose absorption?
38
What ion is essential for amylase to function properly?
39
Which hormone is associated with increasing the absorption of glucose in the digestive tract?
40
Which category includes the primary ways the body stores energy?
41
Where does the breakdown of Hemoglobin primarily occur?
Answer(D)
Cells of the Reticuloendothelial system
42
By what process is Biliverdin converted into Bilirubin?
43
What specific type of Amylase is found in saliva?
44
What is a key reason for the importance of Phospholipids in cell membranes?
Answer(C)
They have regions that interact differently with water
45
Which of the following is NOT considered a type of phospholipid?
46
Which fatty acid MUST be obtained through dietary intake because the human body cannot produce it?
47
In what locations are phospholipids commonly found?
48
Which of these is NOT an essential fatty acid?
49
What is the approximate caloric value of lipids per gram?
50
What is the highest number of double bonds typically found in an essential fatty acid?
