Description : Transferrin is a type of (A) Albumin (B) α-globulin (C) β1 globulin (D) γ-globulin MINERAL METABOLISM 203
Last Answer : Answer : B
Description : Collagen and elastin have the following similarity: (A) Both are triple helices (B) Both have hydroxyproline residues (C) Both have hydrolysine residues (D) Both are glycoproteins
Last Answer : Answer : A
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 major problem in nutritional support is identifying patients at risk. Recent studies suggest that these patients can be identified. Which of the following findings identify the patient at risk? A. Weight ... transferrin of less than 220 mg. per 100 ml. E. Functional impairment by history.
Last Answer : Answer: ABCDE DISCUSSION: All of these are at least partially correct. It is not clear whether weight loss of 10% or 15% is the required threshold, but it certainly is close. Serum ... the hands of an experienced observer is quite a reasonable way of approaching and identifying patients at risk
Description : The most abundant protein in mammals is (A) Albumin (B) Haemoglobin (C) Collagen (D) Elastin
Last Answer : Answer : C
Description : Hemostasis and the cessation of bleeding require which of the following processes? A. Adherence of platelets to exposed subendothelial glycoproteins and collagen with subsequent aggregation of platelets and ... conversion of fibrinogen to fibrin. D. Cross-linking of fibrin by factor XIII.
Last Answer : Answer: ABCD DISCUSSION: Hemostasis requires the interaction of platelets with the exposed subendothelial structures at the site of injury followed by aggregation of more platelets in that area. ... form a stable clot that incorporates the platelet plug and fibrin thrombus into a stable clot
Description : for dental caries to progress in dentine, A. the dentine must contain soluble collagen B. enamel must contain glycoproteins C. diet must contain simple carbohydrate D. diet must contain polysaccharides E. pulp must contain complement
Last Answer : C. diet must contain simple carbohydrate
Description : For dental caries to progress in dentine, A. The dentine must contain soluble collagen B. Enamel must contain glycoproteins C. Diet must contain simple carbohydrate D. Diet must contain polysaccharides E. Pulp must contain complement
Last Answer : C. Diet must contain simple carbohydrate
Description : Which of the following is true? Hypochromic anaemia is not due to iron deficiency except (A) Serum ‘Fe’ is high (B) Normal/low transferrin (C) Stainable iron in bone marrow (D) Iron therapy is affective
Last Answer : Answer : D
Description : The brown-black pigment of the skin that is transferred to other epidermal cells and gives the skin its color is called A. albumin B. collagen C. keratin D. melanin
Last Answer : Ans: D
Description : The most abundant protein in the body is Options: 1) Albumin 2) Globulin 3) Collagen 4) Fibrinogen
Last Answer : Correct Answer: 3) Collagen
Description : Fibronectin has binding sites for all of the following except (A) Glycophorin (B) Collagen (C) Heparin (D) Integrin receptor
Description : Ascorbic acid is required to synthesise all of the following except (A) Collagen (B) Bile acids (C) Bile pigments (D) Epinephrine
Description : Abnormal collagen structure is seen in all of the following except (A) I-cell disease (B) Osteogenesis imperfecta (C) Menke’s disease (D) Ehlers-Danlos sydrome
Description : All the following statement about hydroxyproline are true except (A) There is no codon for hydroxyproline (B) It is present in large amounts in collagen (C) Free proline cannot be hydroxylated to hydroxyproline (D) Hydroxylation of proline residues is catalysed by a dioxygenase
Description : What is the state of iron in transferrin? (A) Ferrous form (B) Ferric form (C) Both A and B (D) None of these
Description : Molecular weight of transferrin is about (A) 40,000 (B) 60,000 (C) 80,000 (D) 1,00,000
Description : Iron is transported in blood in the form of (A) Ferritin (B) Haemosiderin (C) Transferrin (D) Haemoglobin
Description : Iron is stored in the form of (A) Ferritin and transferrin (B) Transferrin and haemosiderin (C) Haemoglobin and myoglobin (D) Ferritin and haemosiderin
Description : About 5% of the total body, iron is present in (A) Transferrin (B) Myoglobin (C) Cytochromes (D) Haemosiderin
Description : Glycoproteins are marked for destruction by removal of their (A) Oligosaccharide prosthetic group (B) Sialic acid residues (C) Mannose residues (D) N-terminal amino acids
Description : Retinoic acid is involved in the synthesis of (A) Rhodopsin (B) Iodopsin (C) Porphyrinopsin (D) Glycoproteins
Description : Retinal is a component of (A) Iodopsin (B) Rhodopsin (C) Cardiolipin (D) Glycoproteins
Description : In N-linked glycoproteins, oligosaccharide is attached to protein through its (A) Asparagine residue (B) Glutamine residue (C) Arginine residue (D) Lysine residue
Description : Oligosaccharide-pyrophosphoryl dolichol is required for the synthesis of (A) N-linked glycoproteins (B) O-linked glycoproteins (C) GPI-linked glycoproteins (D) All of these
Description : In glycoproteins the carbohydrate is in the form of disaccharide units, the number of units are (A) 50–100 (B) 200–300 (C) 400–500 (D) 600–700
Description : Proteins that carries Iron into different tissues is (A) Ceruloplasmin (B) Trans cortin (C) Mucoproteins (D) Glycoproteins
Description : Transcortins are (A) Mucoproteins (B) Glycoproteins (C) Metalloproteins (D) Lipoproteins
Description : Sialic acids are present in (A) Proteoglycans (B) Glycoproteins (C) Both (A) and (B) (D) None of these
Description : Plasma proteins which contain more than 4% hexosamine are (A) Microglobulins (B) Glycoproteins (C) Mucoproteins (D) Orosomucoids
Description : The Golgi complex (A) Synthesizes proteins (B) Produces ATP (C) Provides a pathway for transporting chemicals (D) Forms glycoproteins
Last Answer : D
Description : In glycoproteins, carbohydrate residues are attached to which group of the polypeptide chain?
Last Answer : Hydroxyl group of serine or threonine.
Description : On exposure to any antigen, the first antibody to be formed is of the following class: (A) IgA (B) IgG (C) IgM (D) IgE
Description : Gamma heavy chains are present in (A) IgA (B) IgG (C) IgM (D) IgD
Description : Complement system can be activated by binding of antigen to (A) IgA (B) IgD (C) IgE (D) IgM
Description : The immunoglobulin having the longest half-life is (A) IgA (B) IgG (C) IgM (D) IgE
Description : IgM possesses (A) Two light chains and two heavy chains (B) Four light chains and four heavy chains (C) Six light chains and six heavy chains (D) Ten light chains and ten heavy chains
Description : An immunoglobulin which can cross the placental barrier is (A) IgA (B) IgM (C) IgD (D) None of these
Description : An immunoglobulin found in exocrine secretions is (A) IgA (B) IgG (C) IgM (D) IgE
Description : The largest immunoglobulin is (A) IgA (B) IgG (C) IgM (D) IgD
Description : The most abundant immunoglobulin in plasma is (A) IgA (B) IgG (C) IgM (D) IgD
Description : Secretory component is present in (A) IgA (B) IgG (C) IgM (D) All of these
Description : Each of the following may contribute to formation of oedema EXCEPT C A. decreased plasma oncotic pressure increased intravascular hydrostatic pressure C. increased serum albumin D. decreased serum proteins
Last Answer : increased serum albumi
Description : All the following cells produces collagen except :-
Last Answer : All the following cells produces collagen except :- A. Osteoblast B. Chondroblast C. Fibro blast D. Mast cells
Description : Factors that decrease collagen synthesis include all of the following except: A. Protein depletion. B. Infection. C. Anemia. D. Advanced age. E. Hypoxia.
Last Answer : Answer: C DISCUSSION: Collagen synthesis, an integral part of wound healing, is affected by many local and systemic factors. Protein depletion impairs fibroplasia. Hypoproteinemia leads to diminution of ... more than any other factor, wound infection is associated with the risk of wound failure
Description : Chemotactic factors are produced by EXCEPT: D A. Lymphocytes B. Monocytes C. Endothelial cells D. Collagen
Last Answer : Collagen
Description : The following are true about the aqueous: a. the protein content of aqueous is about 1/5 that of the plasma b. the main type of protein found in the aqueous is transferrin c. Ig G is found in the aqueous d. stimulation of 2 receptors reduces aqueous production
Last Answer : stimulation of 2 receptors reduces aqueous production
Description : Iron sorbitol-citric acid differs from iron dextran in that: A. It cannot be injected i.v. B. It is not excreted in urine C. It is not bound to transferrin in plasma D. It produces fewer side effects
Last Answer : A. It cannot be injected i.v
Description : In the iron deficient state, transferrin receptors increase in number on the: A. Intestinal mucosal cells B. Erythropoietic cells C. Reticuloendothelial cells D. All of the above
Last Answer : cells B
Description : The gut controls the entry of ingested iron in the body by: A. Regulating the availability of apoferritin which acts as the carrier of iron across the mucosal cell B. Regulating the turnover of ... mucosal cell and is shed off D. Regulating the number of transferrin receptors on the mucosal cell
Last Answer : C. Complexing excess iron to form ferritin which remains stored in the mucosal cell and is shed off