MCQ (Minerals, Body Fluids and Cell Membrane)

MCQ on Minerals, Body Fluids and Cell Membrane Minerals 1. Hormone that regulates blood calcium *a Calcitonin b. Thyroxin c. Antidiuretic hormone d. Prolactin 2. Function of copper is a. Stores oxygen b. Formation of blood buffer *c. Hemoglobin synthesis d. Absorption of calcium from bones 3. Function of zine a. Mobilization of phosphorus from bones *b Reproduction c. Important for tryptophan metabolism d. Increase blood calcium 4. The most abundant mineral in the body is a. Iron b. Zinc *c Calcium d. Sodium 5. Calcium is absorbed by: a. Simple diffusion *b. Active transport c. Calcium transporter d. Endocytosis 6. RBCs content of magnesium comparing to plasma: a. One times greater b. Two times greater *c. Three times greater d. Less in RBCs compared to plasma 7. Hypernatremia is caused by: a. Addison's disease b. Renal failure c. Diuretics *d. Conn's disease 8. Chloride ions are essential for: a. Hormonal functions b. Increasing plasma volume c. Activation of enzymes *d. Decreasing extracellular fluid 9. In liver disease: *a. Plasma iron elevated b. Transferrin synthesis increased c. Iron remains normal d. Decreased plasma iron 10. Deficiency of selenium causes: *a Hemolytic anemia b. Thyroid hypertrophy c. Growth retardation in children d. Hypogonadism 11. The form of iron which is absorbed for GI iron is: a. Ferric b. Iron metal c. Ferritin *d. Ferrous • Body fluid: 1. About body fluids a. Colostrum is secreted during the first year of lactation b. Semen is Fructose rich fluid c. Mature milk has an alkaline pH d. Polyuria stands for urine excretion less than 125 ml per day 2. About human milk a. Vitamin A is extremely low in human milk b. mature milk contains more protein than cow milk c. The most abundant immunoglobulin-in the human milk is IgD d. Colostrum contains more fat than mature milk 3. About normal CSF a. The quantity of protein in the CSF is 8 g/di b. Lipid cholesterol is very high c. The glucose concentration is the same as of blood d. The chloride concentration is higher than in plasma 4. About normal urine: a. The amount of protein is more than 12g/day. b. The excretion by a healthy person is about 1.5-2.0 L/day c. pH is neutral. d. Sugars excreted are 20-30 g/di after heavy meal 5. About abnormal urine a. Glycosuria is presence of glycogen in urine b. ketonuria is presence of potassium in urine c. Glucosuria is presence of glucose in urine d. Choluria is presence of cholesterol in urine 6. The most abundant immunoglobulin in the human milk is a. Immunoglobulin D. b. Immunoglobulin A. c. Immunoglobulin E. d. Immunoglobulin M 7. About body fluids: a. Colostrum is secreted during the first year of lactation b. Mature milk has an alkaline pH c. Polyuria stands for urine excretion more than 2 liter per day. d. Semen is glucose rich fluid 8. About mature human milk a. The principal sugar is glucose b. The most abundant protein are casein a-lactalbumin and lactoferrin c. The most abundant immunoglobulin d. Vitamin K is extremely higher 9. The most abundant immunoglobulin in the human milk a. Immunoglobulin D. b. Immunoglobulin A. c. Immunoglobulin E. d. Immunoglobulin M. 10.About normal CSF: a. The quantity of protein in the CSF is nearly free b. The zinc concentration is higher than in plasma c. The glucose concentration is the same as of blood d. Lipid cholesterol is very high 11.About normal urine: a. The amount of protein is more than 2g/day b. The excretion by a healthy person is about 125 ml/day c. pH is acidic d. Sugars excreted are 20-30 g/dl after heavy meal. 12.About abnormal urine a. Glycosuria is presence of sugar in urine b. Glucosuria is presence of glycogen in urine c. Ketonuria is presence of potassium in urine d. Choluria is presence of cholesterol in urine 13. About body fluids a. Semen contains phosphate that buffer sperms against acidic environment in the vagina b. Colostrums is secreted during the first year of lactation c. Oliguria stands for urine excretion more than 2 liter per day d. Semen contains higher concentration of chloride than plasma 14. About mature human milk a. The principal sugar is glucose b. The most abundant protein are casein, a-lactalbumin and lactoferrin c. The most abundant immunoglobulin is IgE d. Vitamin K is extremely high 15. Which of the following vitamin is extremely low in human milk? a. Vitamin A b. Vitamin B6 c. Vitamin B12 d. Vitamin K 16.About normal CSF a. The quantity of protein in the CSF is very high b. The chloride concentration is higher than in plasma c. The glucose concentration is the same as of blood d. Lipid cholesterol is very high 17. About normal urine a. The amount of protein is more than 2g/day b. The excretion by a healthy person is about 1.5 L/day c. pH is neutral d. Sugars excreted are 20-30 g/dl after heavy meal 18. About abnormal urine a. Glycosuria is presence of glycogen in urine b. Glucosuria is presence of glucose c. Ketonuria is presence of potassium in urine d. Choluria is presence of cholesterol in urine • Cell membrane 1. The most abundant membrane components are: *a Protein and lipid b. Protein and carbohydrate c. Lipid and carbohydrate d. Protein and glycolipid 2. Integral membrane proteins a. Are loosely associated with the membrane b. May be removed from the membrane by altering the ionic strength of the medium c. Usually contain beta-pleated sheet structures embedded in the lipid portion of the membrane *d. Are usually only removed from the membrane by the use of drastic procedure that disrupt the membrane 3. Facilitated diffusion: a. Molecules diffuse without transport protein b. May occur Via an antiport or symport mechanism *c. Does not require energy d. Usually only involves lipid-soluble solutes 4. Liposomes are a. Lipid monolayer vesicles b. Spherical lipid assemblies that do not contain an intravesicular component c. The type of structure that begins to form when an amphipathic lipid in water reached *d. Lipid bilayer vesicles 5. Factor that promotes calcium absorption a. High-dietary phosphate b. Alkalinity *c. Hish protein dict d. Impaired fat absorption 6. One of the following is a membrane lipid: a. Gangliosides b. Sphingosine *c. Phospholipid d. Cerebrosides 7. Fluidity of membrane depends on: a. Saturated fatty acids with straight tail *b. Unsaturated fatty acids with kinked tail c. Saturated fatty acids with kinked tail d. Unsaturated fatty acids with straight tail 8. One of the following transport systems requires ATP a. Facilitated transport b. Passive transport c. Transport of molecules from higher to lower concentration *d. Active transport 9. Stability of lipid bilayer: *a Hydrophobic interactions, b. Hydrogen bonds c. Carbohydrate content d. Straight tailed fatty acids 10. The interaction of membrane lipid molecules with water results in *a. Bilayers b. Loss of carbohydrates c. Dissolution of most of lipid in water d. Loss of proteins 11.Ankyrin and spectrin are a. Antioxidant rich in vitamin B b. Substances that cause hyperuricemia *c. Erythrocyte membrane proteins that maintain bioactivity d. Receptor for nonsteroidal glycoprotein hormones Mineral 1. A 2. C 3. В 4. C 5. B 6. C T. D 8. C 9. D 10.A 11.D Cell membrane 1. A 2. D 3. C 4. D 5. C 6. C 7. B 8. D 9. A 10.A 11.C Body fluid 1. B 2. B 3. D 4. B 5. C 6. B 7. C 8. B 9. B 10.A 11.C 12.A 13.A 14.B 15.D 16.B 17.B 18.B