Description : With respect to lipoprotein transport and metabolism in the body, the following statements are correct EXCEPT: 1) Arterial walls contain cells with LDL receptors. 2) Cholesterol is required for the ... is assembled in the extracellular space. 5) VLDL transformation to LDL occurs in adipose tissue.
Last Answer : Answers-3 Chylomicrons are formed in the gut from exogenous triacylglycerols and cholesterol. They are released into the lymph and thereby enter the blood.They are not formed in the liver.
Description : Six months after beginning atorvastatin, the patient's total and LDL cholesterol concentrations remained above normal and he continued to have anginal attacks despite good adherence to his antianginal ... Increased endocytosis of HDL by the liver (e) Increased lipid hydrolysis by lipoprotein lipase
Last Answer : Ans: C
Description : Free fatty acids are transported in the blood (A) Combined with albumin (B) Combined with fatty acid binding protein (C) Combined with β -lipoprotein (D) In unbound free salts
Last Answer : Answer : A
Description : ‘Clearing factor’ is (A) Lipoprotein lipase (B) Crotonase (C) 7-dehydro cholesterol (D) β-sitosterol
Description : This interferes with cholesterol absorption (A) Lipoprotein lipase (B) Creatinase (C) 7-dehydrocholesterol (D) β-sitosterol
Last Answer : Answer : D
Description : This lipoprotein removes cholesterol from the body (A) HDL (B) VLDL (C) IDL (D) Chylomicrons
Description : The lipoprotein richest in cholesterol is (A) Chylomicrons (B) VLDL (C) LDL (D) HDL
Last Answer : Answer : C
Description : Maximum cholesterol content is in which lipoprotein?
Last Answer : LDL (Beta lipoprotein).
Description : Which of the following statement is correct about membrane cholesterol? (A) The hydroxyl group is located near the centre of the lipid layer (B) Most of the cholesterol is in the form ... forms a rigid, planar structure (D) The hydrocarbon chain of cholesterol projects into the extracellular fluid
Last Answer : C
Description : Very low density lipoproteins are relatively rich in (A) Cholesterol (B) Triacyl glycerol (C) Free fatty acids (D) Phospholipids
Last Answer : Answer : B
Description : The principal action of insulin in adipose tissue is to inhibit the activity of the (A) Hormone sensitive lipoprotein lipase (B) Glycerol phosphate acyltransferase (C) Acetyl-CoA carboxylase (D) Pyruvate dehydrogenase
Description : Correct ordering of lipoprotein molecules from lowest to the greater density is (A) LDL, IDL, VLDL, chylomicron (B) Chylomicron, VLDL, IDL, LDL (C) VLDL, IDL, LDL, chylomicron (D) LDL, VLDL, IDL, chylomicron
Description : The compound which has the lowest density is (A) Chylomicron (B) β-Lipoprotein (C) α-Lipoprotein (D) pre β-Lipoprotein
Description : Free fatty acids released from adipose tissue are transported in blood by (A) Albumin (B) VLDL (C) LDL (D) HDL
Description : Increased serum levels of which of the following may be associated with a decreased risk of atherosclerosis? (a) Very low-density lipoproteins (VLDL) (b) Low-density lipoproteins (LDL) (c) Intermediate – density lipoproteins (IDL) (d) High-density lipoproteins (HDL) (e) Cholesterol
Last Answer : Ans: D
Description : Which of the following lipoproteins would contribute to a measurement of plasma cholesterol in a normal person following a 12 hr fast? (A) High density lipoprotiens (B) Low density lipoproteins (C) Chylomicron (D) Chylomicron remnants
Description : Cholesterol circulates in blood stream chiefly as (A) Free cholesterol (B) Ester cholesterol (C) Low density lipoproteins (D) Low density lipoproteins and high density lipoproteins
Description : The following is true of bezafibrate except: A. It activates lipoprotein lipase B. It mainly lowers serum triglyceride level with smaller effect on LDL cholesterol level C. It increases the incidence of myopathy due to statins D. It tends to lower plasma fibrinogen level
Last Answer : C. It increases the incidence of myopathy due to statins
Description : Which of the following statement is correct about membrane cholesterol? (A) The hydroxyl group is located near the centre of the lipid layer (B) Most of the cholesterol is in the form ... forms a rigid, planar Structure (D) The hydrocarbon chain of cholesterol projects into the extracellular fluid
Last Answer : (C) The steroid nucleus form forms a rigid, planar Structure
Description : The major source of cholesterol in arterial smooth muscle cells is from (A) IDL (B) LDL (C) HDL (D) Chylomicrons FATS AND FATTY ACID METABOLISM 101
Description : Total body mass is composed of an aqueous component and a nonaqueous component. The nonaqueous component is made up of which of the following? a. Liver b. Tendons c. Skeletal muscle d. Extracellular fluid e. Adipose tissue
Last Answer : Answer: b, e The nonaqueous portion of total body mass is made up of bones, tendons, and mineral mass as well as adipose tissue. The aqueous component contains the body cell ... and circulating blood cells. Also contributing to the aqueous portion is the interstitial fluid and intravascular volume
Description : Immunodeficiency: a) A localized protective reaction of tissue to irritation, injury, or infection, characterized by pain, redness, swelling, and sometimes a loss of function b) A disorder or deficiency ... effect and damage the liver. e) It is an immunity disorder which is genetically transferred.
Last Answer : Ans: B
Description : How is extracellular digestion related to cellular and tissue specialization?
Last Answer : A variety of specialized cells and tissues appeared with extracellular digestion to provide enzymes and special structures for the breaking down of dietary macromolecules. This phenomenon ... for other tasks and differentiations while benefiting from nutrients distributed through the circulation.
Description : Which one of the following contains the largest quantity of extracellular material? (a) Striated muscle (b) Areolar tissue (c) Stratified epithelium (d) Myelinated nerve fibres
Last Answer : (b) Areolar tissue
Description : Tissues are constructed from many distinct cell types that perform different functions in response to signals from each other and the extracellular matrix. During tissue development and tissue regeneration, ... that stem cells undergo when they are required to generate a particular type of cell?
Last Answer : Asymmetric cell division. After asymmetric division, each of the two resulting daughter cells has a unique life course. For example, one daughter cell may differentiate into a specific cell type ( ... cell), whereas the other daughter cell may remain a stem cell with unlimited proliferative ability.
Description : Low density plasma proteins are rich in (A) Chylomicrons (B) Cholesterol (C) Triglycerides (D) Phospholipids
Description : An egg sinks in soft water but floats in a concentrated solution of salt because – (1) Egg absorbs salt from the solution and expands (2) Albumin dissolves in salt solution and egg becomes lighter (3) The density of salt solution exceeds the density of eggs (4) Water has high surface tension
Last Answer : (3) The density of salt solution exceeds the density of eggs Explanation: Following the density principle, the density of the egg compared to the density of the tap water is lesser (the density principle ... and that is why an egg sinks in soft water but floats in a concentrated solution of salt.
Description : An egg sinks in soft water but floats in a concentrated solution of salt because (1) egg absorbs salt from the solution and expands (2) albumin dissolves in salt solution and egg becomes lighter (3) the density of salt solution exceeds the density of eggs (4) water has high surface tension
Last Answer : the density of salt solution exceeds the density of eggs
Description : Interleukin-6 is recognized as the cytokine primarily responsible for the alteration in hepatic protein synthesis recognized as the acute phase response. Which of the following statement(s) is/are true ... physiologic role of acute phase proteins are to reduce the systemic effects of tissue damage
Last Answer : Answer: c, d IL-6 is now recognized at the cytokine primarily responsible for the alteration in hepatic synthesis recognized as the acute phase response. Glucocorticoid hormones augment ... that generally inhibit the tissue destruction that is associated with the local initiation of inflammation
Description : A lipoprotein associated with high incidence of coronary atherosclerosis is (A) LDL (B) VLDL (C) IDL (D) HDL
Description : Molecular weight of human albumin is about (A) 156,000 (B) 90,000 (C) 69,000 (D) 54,000
Description : What is the iso-electric pH of human albumin?
Last Answer : It is 4.7.
Description : Which of the following electrolytes is a major anion in body fluid? a) Chloride Chloride is a major anion found in extracellular fluid. b) Potassium Potassium is a cation. c) Sodium Sodium is a cation. d) Calcium Calcium is a cation.
Last Answer : a) Chloride Chloride is a major anion found in extracellular fluid.
Description : Brown adipose tissue is (A) A prominent tissue in human (B) Characterised by high content of mitochondria (C) Associated with high activity of ATP synthase (D) Characterised by low content of cytochromes
Description : The class of lipoproteins having a beneficial effect in atherosclerosis is (A) Low density of lipoproteins (B) very low density lipoproteins (C) High density lipoproteins (D) Chylomicrons
Description : Esterification of cholesterol occurs mainly in (A) Adipose tissue (B) Liver (C) Muscles (D) Kidneys
Description : The immediate parent of α, β and γ endorphins is (A) Pro-opiomelanocortin (B) β-lipotropin (C) ATCH (D) Lipoprotein
Description : An important zinc containing enzyme is (A) Carboxypeptidase A (B) Isocitrate dehydrogenase (C) Cholinesterate (D) Lipoprotein lipase
Description : A non-functional plasma enzyme is (A) Psudocholinesterase (B) Lipoprotein lipase (C) Proenzyme of blood coagulation (D) Lipase
Description : An example of functional plasma enzyme is (A) Lipoprotein lipase (B) Amylase (C) Aminotransferase (D) Lactate dehydrogenase
Description : Non steroidal anti inflammatory drugs, such as aspirin act by inhibiting the activity of the enzyme: (A) Lipoxygenase (B) Cyclooxygenase (C) Phospholipase A2 (D) Lipoprotein lipase
Description : The lipoprotein with the fastest electrophoretic mobility and lowest TG content are (A) VLDL (B) LDL (C) HDL (D) Chylomicrones
Description : The first lipoprotein to be secreted by the liver is (A) VLDL (B) nascent VLDL (C) LDL (D) IDL
Description : The triacyl glycerol present in plasma lipoproteins are hydrolyzed by (A) Linqual lipase (B) Pancreatic lipase (C) Colipase (D) Lipoprotein lipase
Description : The β-lipoprotein fraction increases in severe (A) Diabetes Mellitus (B) Uremia (C) Nephritis (D) Muscular dystrophy
Description : The protein moiety of lipoprotein is known as (A) Apoprotein (B) Pre-protein (C) Post-protein (D) Pseudoprotein
Description : Lipoprotein present in cell membrane is by nature: (A) Hydrophilic (B) Hydrophobic (C) Both (A) and (B) (D) None of these
Description : Lecithins combine with protein to form (A) Phosphoprotein (B) Mucoprotein (C) Lipoprotein (D) Glycoprotein
Description : Genetic deficiency of lipoprotein lipase causes hyperlipoproteinaemia of following type: (A) Type I (B) Type IIa (C) Type IIb (D) Type V