Description : Chloride shift is (A) H ions leaving the RBC in exchange of Cl- (B) Cl– leaving the RBC in exchange of bicarbonate (C) Bicarbonate ion returns to plasma and exchanged with chloride which shifts into the cell (D) Carbonic acid to the plasma
Last Answer : Answer : C
Description : Approximately seventy percent of carbon dioxide absorbed by the blood will be transported to the lungs (a) as bicarbonate ions (b) in the form of dissolved gas molecules (c) by binding to RBC (d) as carbamino - haemoglobin.
Last Answer : (a) as bicarbonate ions
Description : Assertion `:-` The blood transports carbondioxide comparatively easily. Reason `:-` During `CO_(2)` transport chloride ions diffuse from plasma into t
Last Answer : Assertion `:-` The blood transports carbondioxide comparatively easily. Reason `:-` During `CO_(2)` ... D. If both Assertion & Reason are false.
Description : The carbon dioxide is transported via blood to lungs mostly (a) in combination with haemoglobin only (b) dissolved in blood plasma (c) in the form of bicarbonate ions (d) as carbamino-haemoglobin and as carbonic acid.
Last Answer : (c) in the form of bicarbonate ions
Description : There are two properties of the cell necessary to maintain nonequilibrium cellular composition; the first is selectivity and the second is energy conversion. Which of the following statement(s ... transported via secondary active transport include hydrogen ions, calcium, amino acids and glucose
Last Answer : Answer: c, d The selectivity of the plasma membrane, although impressive, cannot account for the nonequilibrium composition of living cells. A cell can be maintained in a nonequilibrium state only by ... to drive the transport of a second species such as protons, calcium, amino acids, or glucose
Description : Human urine is usually acidic because (a) potassium and sodium exchange generates acidity (b) hydrogen ions are actively secreted into the filtrate (c) the sodium transporter exchanges one hydrogen ion for each sodium ion, in peritubular capillaries (d) excreted plasma proteins are acidic.
Last Answer : (b) hydrogen ions are actively secreted into the filtrate
Description : _______, found in blood, is responsible for oxygen transportation. (1) WBC (2) Platelets (3) RBC (4) Plasma
Last Answer : (3) RBC Explanation: Red Blood Cells (RBCs) are responsible for carrying oxygen and carbon dioxide in the blood. Also known as erythrocytes, they are specialized cells that circulate through the body and deliver oxygen to tissues.
Description : Which one of the following is correct? (a) Lymph = Plasma + RBC + WBC (b) Blood = Plasma + RBC + WBC + Platelets (c) Plasma = Blood – Lymphocytes (d) Serum = Blood + Fibrinogen
Last Answer : (b) Blood = Plasma + RBC + WBC + Platelets
Description : Person with blood group AB is considered as universal recipient because he has (a) both A and B antigens on RBC but no antibodies in the plasma (b) both A and B antibodies in the plasma (c) no antigen on RBC and no antibody in the plasma (d) both A and B antigens in the plasma but no antibodies.
Last Answer : (a) both A and B antigens on RBC but no antibodies in the plasma
Description : Diffusion of `O_(2)` and `CO_(2)`between lungs and blood present in :-
Last Answer : Diffusion of `O_(2)` and `CO_(2)`between lungs and blood present in :- A. Conducting zone B. Bronchial tree C. Exchanging zone D. Bronchi
Description : I have a Lucent Definity One phone system with integrated Intuity Audix voicemail in need of service. Any recommended repair center?
Last Answer : Telcom Data at 800-335-0229 can repair your Lucent Definity phone system. They are based in Chicago.
Description : To balance the bicarbonate ion loss in RBC the chloride ions move into RBC, it is known as :-
Last Answer : To balance the bicarbonate ion loss in RBC the chloride ions move into RBC, it is known as :- A. Chloride ... C. Bohr effect D. Both (1) and (2)
Description : Use of an artificial kidney during hemodialysis may result in (A) Nitrogenous waste build-up in the body (B) Non-elimination of excess potassium ions (C) Reduced absorption of calcium ions from gastro-intestinal tract (D) ... are correct. (c) (B) and (C) are correct. (d) (C) and (D) are correct.
Last Answer : d) (C) and (D) are correct.
Description : The chloride content of RBC will be higher than that of plasma in `:-`
Last Answer : The chloride content of RBC will be higher than that of plasma in `:-` A. Systemic ... and pulmonary arteries D. Sstemic veins and pulmonary veins
Description : Given statement is true or false Statement: Actual site of diffusion of `O_(2) and CO_(2)` between blood and atmospheric air is exchange part.
Last Answer : Given statement is true or false Statement: Actual site of diffusion of `O_(2) and CO_(2)` between blood and atmospheric air is exchange part.
Description : The most common nosocomial infection involves a. Blood. b. Lungs. c. Urinary Tract. d. A Surgical Site.
Last Answer : c. Urinary Tract.
Description : Assertion `:-` Bohr effect occur at the level of alveoli of lungs. Reason `:-` High concentratio of `CO_(2)` allow dissociation of oxyhaemoglobin.
Last Answer : Assertion `:-` Bohr effect occur at the level of alveoli of lungs. Reason `:-` High concentratio ... False. D. If both Assertion & Reason are false.
Description : How much amount of `CO_(2)` is remvoed by lungs per day?
Last Answer : How much amount of `CO_(2)` is remvoed by lungs per day?
Description : Determine the equivalent weight of the following ions : `(a) Na^(+) " " (b) Al^(3+) " " (c) NO^(+) " " Cl^(-)` `(e) CO_(3)^(2-) " " SO_(4)^(2-) " " (g
Last Answer : Determine the equivalent weight of the following ions : `(a) Na^(+) " " (b) Al^(3+) " " (c) NO^(+) " " Cl^(- ... " " SO_(4)^(2-) " " (g) PO_(4)^(3-)`
Description : Number of ions which are identified by dil. HCl from the following. `(i) SO_(4)^(2-) " " (ii) CO_(3)^(2-) " " (iii) SO_(3)^(2-) " " (iv) HCO_(3)^(-)`
Last Answer : Number of ions which are identified by dil. HCl from the following. `(i) SO_(4)^(2-) " " (ii) CO_(3)^(2-) " ... CH_(3)CO O^(-) " " (viii) PO_(4)^(3-)`
Description : Is carbon dioxide transported in the blood by plasma hemoglobin and bicarbonate ions?
Last Answer : Need answer
Description : Upon the entry of carbon dioxide in the red blood cells, H+ionsare formed at a very rapid rate, and yet the blood does not turn acid because (a) H+ ions are rapidly exchanged at the ... haemoglobin and plasma (d) H+ ions are buffered by proteins of haemoglobin and proteins and phosphates of plasma
Last Answer : Ans:(c)
Description : Serum if blood plasma minus its? A. Calcium ions B. Clotting proteins (Answer) C. Globulins D. none
Last Answer : B. Clotting proteins (Answer)
Description : In the human kidney: a. renal plasma flow is normally 660 ml/minute b. blood flow in the cortex is greater than that in the medulla c. resorption of ions and water ... the distal convoluted tubules d. anti-diuretic hormone increases water resorption mainly in the distal convoluted tubules
Last Answer : blood flow in the cortex is greater than that in the medulla
Description : Carbon dioxide in blood: a. is more soluble than oxygen b. is carried in combination with plasma c. carries mainly as bicarbonate ions d. all
Last Answer : all
Description : (a) Draw a schematic representation of transport and exchange of oxygen and carbon dioxide during transportation of blood in human beings and label on it: Lung capillaries, Pulmonary artery to ... the advantage of separate channels in mammals and birds for oxygenated and deoxygenated blood? -Biology
Last Answer : (a) A schematic representation of transportation and exchange of oxygen and carbon dioxide during transportation of blood in human beings (b) It is necessary to separate oxygenated and deoxygenated ... . The separation of oxygenated and deoxygenated blood provides high oxygen supply to the organs.
Description : How is the alveoli adapted for gas exchange between air in the lungs and blood in the capillaries?
Description : Respiratory acidosis is that in which the blood pH is low due to increased retention of carbon dioxide caused by the lowering of the respiratory frequency or by pulmonary diseases that impair ... caused by metabolic disturbances that increase the concentration of bases (alkalis) in the blood.
Last Answer : Where are the chemoreceptors that detect the acidity of the blood and trigger the respiratory compensation located?
Description : Process of exchange of `O_(2)` from the atmosphere with `CO_(2)` produced by the cells is called
Last Answer : Process of exchange of `O_(2)` from the atmosphere with `CO_(2)` produced by the cells is called
Description : The mechanism of dehydration of an alcohol to give an ether involves formation of : (a) Carbonium ions (b) Carbanions (c) Free radicals (d) Carbenes
Last Answer : Carbonium ions
Description : The mechanism of dehydration of an alcohol to give an alkene involves formation of : (a) Carbonium ions (b) Carbanions (c) Free radicals (d) Carbenes
Description : Gleization occurs due to — a. Due to poor drainage b. High organic matter c. Removal of sodium ions d. Mixing of the soils
Last Answer : a. Due to poor drainage
Description : In which diseases of the following organs, isoenzymes LDH-1 and LDH-2 will be released in plasma? (A) Kidney, R.B.C and Liver (B) Heart, Kidney and R.B.C (C) Heart, Kidney and Liver (D) Heart, Lungs and Brain
Last Answer : Answer : B
Description : All the following statements about renal tubular acidosis are correct except (A) Renal tubules may be unable to reabsorb bicarbonate (B) Renal tubules may be unable to secrete hydrogen ions (C) Plasma chloride is elevated (D) Anion gap is decreased
Last Answer : Answer : D
Description : Anion gap in plasma is because (A) Of differential distribution of ions across cell membranes (B) Cations outnumber anions in plasma (C) Anions outnumber cations in plasma (D) Of unmeasured anions in plasma
Description : Insulin increases the permeability of glucose across the plasma membrane of muscle cells by (A) Acting on adenylate cycle (B) By loosening the integrity of the membrane (C) Through Ca2 ... membrane cruting the hexose carries of intracellular organelles and making them fuse with the plasma membrane
Description : Which of the following statement(s) is/are true concerning cellular ion channels? a. Ion channels are transmembrane proteins that form pores that can conduct ions across the plasma membrane b. ... undergo conformational changes between open states and closed states d. Ion channels can be blocked
Last Answer : Answer: a, b, c, d Ion channels are transmembrane proteins that form pores that can conduct ions across the plasma membrane. Ion channels are formed by membrane-spanning peptides that are arranged ... be blocked by ions or organic compounds that enter the channel, bind there, and occlude the pore
Description : A striking feature of living cells is a marked difference between the composition of the cytosol and the extracellular milieu. Which of the following statement(s) concerning the mechanisms of maintenance ... d. The selectivity of cell membranes relates only to ions and not organic compounds
Last Answer : Answer: a The survival of the cell requires that cytosolic composition be maintained within narrow limits, despite the constant influx of nutrients and the simultaneous outflow of waste. A ... be altered drastically as a result of regulatory or signaling processes that occur within the cell
Description : What process involves the removal of rock partials by wind water ice or gravity?
Description : Regulation of some enzymes by covalent modification involves addition or removal of (A) Acetate (B) Sulphate (C) Phosphate (D) Coenzyme
Description : Removal of BSP dye by the liver involves conjugation with (A) Thiosulphate (B) Glutamine (C) Cystein component of glutathione (D) UDP glucuronate
Description : From two amino acids peptide bond formation involves removal of one molecule of (A) Water (B) Ammonia (C) Carbondioxide (D) Carboxylic acid
Last Answer : Answer : A
Description : Removal of carbon particles from air involves the principle of - (1) Precipitation (2) Filteration (3) Electrophoresis (4) Sedimentation
Last Answer : (3) Electrophoresis Explanation: Electrophoresis is the process of separating certain large molecules so they can be examined more easily.
Description : Digestion of proteins involves (a) changes in secondary structure only (b) cleavage of peptide linkages (c) removal of all carboxyl groups in the form of CO2. (d) removal of all NH2 groups in the form of NH3
Last Answer : cleavage of peptide linkages
Description : A reduction reaction always involves the: w) loss of electrons x) gain of electrons y) addition of oxygen z) removal of oxygen
Last Answer : ANSWER: X -- GAIN OF ELECTRONS
Description : Removal of carbon particles from air involves the principle of (1) Precipitation (2) Filteration (3) Electrophoresis (4) Sedimentation
Last Answer : Electrophoresis
Description : How are the lungs designed in human beings to maximise the area for exchange of gases ? -Biology
Last Answer : Within the lungs, the air passage divides into smaller and smaller tubes, called bronchi which in turn form bronchioles. The bronchioles terminate in balloon-like structures, called alveoli. The ... vary thin walls and contain an extensive network of blood vessels to facilitate exchange of gases.