Description : A shift in the oxygen-haemoglobin dissociation curve to the right occurs in : a. hypothermia b. carboxyhaemoglobin c. acidosis d. fetal haemoglobin
Last Answer : acidosis
Description : A 45-year-old solicitor had an onset of severe, crushing, substernal chest pain while attending a football match. He collapsed on his way to the car. Bystander Cardiorespiratory Resuscitation ... His oxyhemoglobin curve is shifted to the left 5) His pulmonary artery pressure is probably elevated
Last Answer : Answers-5 This young patient with severe central chest pain has probably arrested due to myocardial infarction and arrhythmia. His gases reveal high PO2 following 100% O2 but severe acidosis ... no left to right shunting and high pulmonary pressures would be expected after this arrest scenario.
Description : Copper deficiency can cause (A) Polycythaemia (B) Leukocytopenia (C) Thrombocytopenia (D) Microcytic anaemia
Last Answer : Answer : D
Description : The oxygen d issoc iat ion curve for hemoglobin is shifted to the right by (A) Decreased O2 tension (B) Decreased CO2 tension (C) Increased CO2 tension (D) Increased pH
Last Answer : Answer : C
Description : Abnormal chain of amino acids in sickle cell anaemia is (A) Alpha chain (B) Beta chain (C) Delta chain (D) Gama chain
Last Answer : Answer : B
Description : Blood cancer is commonly known as – (1) Leucoderma (2) Leukaemia (3) Haemophilia (4) Sickle-cell. anaemia
Last Answer : (2) Leukaemia Explanation: Leukemia is a cancer of blood and bone marrow. When a person has leukemia, the body makes too many white blood cells (leukocytes). The causes of most types of leukemia are not known. In general, all cancers have a breakdown in the normal way cell division is controlled.
Description : Sickle cell anaemia induce to (a) change of amino acid in a-chain of haemoglobin (b) change of amino acid in b-chain of haemoglobin (c) change of amino acid in both a and b chains of haemoglobin (d) change of amino acid either a or b chains of haemoglobin.
Last Answer : (b) change of amino acid in b-chain of haemoglobin
Description : Which of the following is a correct match? (a) Down’s syndrome - 21st chromosome (b) Sickle cell anaemia - X-chromosome (c) Haemophilia - Y-chromosome (d) Parkinson’s disease - X and Y chromosome
Last Answer : a) Down’s syndrome - 21st chromosome
Description : .Which one of the following conditions though harmful in itself, is also potential saviour from a mosquito borne infectious disease ? (a) Thalassaemia (b) Sickle cell anaemia (c) Pernicious anaemia (d) Leukaemia
Last Answer : (b) Sickle cell anaemia
Description : Sickle cell anaemia has not been eliminated from the African population because (a) it is controlled by dominant genes (b) it is controlled by recessive genes (c) it is not a fatal disease (d) it provides immunity against malaria
Last Answer : (d) it provides immunity against malaria.
Description : Both sickle cell anaemia and Huntington’s chorea are (a) virus-related diseases (b) bacteria-related diseases (c) congenital disorders (d) pollutant-induced disorders.
Last Answer : c) congenital disorders
Description : . Sickle-cell anaemia is (a) caused by substitution of valine by glutamic acid in the beta globin chain of haemoglobin (b) caused by a change in a single base pair of DNA (c) characterized by elongated sickle like RBCs with a nucleus (d) an autosomal linked dominant trait.
Last Answer : (b) caused by a change in a single base pair of DNA
Description : .Represented here is the inheritance pattern of a certain type of trait in humans. Which one of the following conditions could be an example of this pattern? (a) Phenylketonuria (b) Sickle cell anaemia (c) Haemophilia (d) Thalassemia
Last Answer : (c) Haemophilia
Description : Pick out the correct statements. (1) Haemophilia is a sex-linked recessive disease. (2) Down's syndrome is due to aneuploidy. (3) Phenylketonuria is an autosomal recessive gene disorder. (4) Sickle cell anaemia is an X- ... are correct. (c) (1) and (4) are correct. (d) (2) and (4) are correct.
Last Answer : (b) (1), (2) and (3) are correct.
Description : .A disease caused by an autosomal primary non- disjunction is (a) Klinefelter’s syndrome (b) Turner’s syndrome (c) Sickle cell anaemia (d) Down’s syndrome.
Last Answer : (d) Down’s syndrome.
Description : Thalassemia and sickle cell anaemia are caused due to a problem in globin molecule synthesis. Select the correct statement. (a) Both are due to a quantitative defect in globin chain synthesis. (b ... problem of globin molecules. (d) Both are due to a qualitative defect in globin chain synthesis.
Last Answer : (b) Thalassemia is due to less synthesis of globin molecules
Description : Select the correct match. (a) Haemophilia – Y linked (b) Phenylketonuria – Autosomal dominant trait (c) Sickle cell anaemia – Autosomal recessive trait,chromosome -11 (d) Thalassemia – X linked
Last Answer : (c) Sickle cell anaemia – Autosomal recessive trait,chromosome -11
Description : The most striking example of point mutation is found in a disease called (a) Down’s syndrome (b) sickle cell anaemia (c) thalassaemia (d) night blindness.
Last Answer : (b) sickle cell anaemia
Description : Which of the following is an example of pleiotropy? (a) Haemophilia (b) Thalassemia (c) Sickle cell anaemia (d) Colour blindness
Last Answer : (c) Sickle cell anaemia
Description : A polygenic inheritance in human beings is (a) skin colour (b) phenylketonuria (c) colour blindness (d) sickle cell anaemia
Last Answer : (a) skin colour
Description : In human beings, multiple genes are involved in the inheritance of (a) sickle-cell anaemia (b) skin colour (c) colour blindness (d) phenylketonuria.
Last Answer : ) skin colour
Description : Multiple alleles control inheritance of (a) phenylketonuria (b) colour blindness (c) sickle cell anaemia (d) blood groups.
Last Answer : (d) blood groups.
Description : Which one of the following statements is correct regarding sexually transmitted diseases (STDs)? (a) A person may contract syphilis by sharing milk with one already suffering from the disease. (b) Haemophilia is ... both STDs. (d) The chances of a 5-years boy contracting a STD are very little.
Last Answer : (d) The chances of a 5-years boy contracting a STD are very little.
Description : The oxygen - haemoglobin dissociation curve will show a right shift in case of
Last Answer : The oxygen - haemoglobin dissociation curve will show a right shift in case of A. High `pCO_(2)` B. High ... `pCO_(2)` D. Less `H^(+)` concentration
Description : Oxygen dissociation curve shifts to right when `:-`
Last Answer : Oxygen dissociation curve shifts to right when `:-` A. `P_(o_(2))` decreases B. `P_(Co_(2))` decreases C. pH increases D. Temperature decreases
Description : The oxygen Haemoglobin dissociation curve will show a right shift in case of `:-`
Last Answer : The oxygen Haemoglobin dissociation curve will show a right shift in case of `:-` A. Less `H^(+)` concentration B. ... `CO_(2)` D. High 2,3, D.P.G.
Description : Oxygen haemoglobin dissociation curve will shift to right on decrease of
Last Answer : Oxygen haemoglobin dissociation curve will shift to right on decrease of A. Acidity B. Carbon dioxide concentration C. Temperature D. pH
Description : 2, 3-Biphosphoglycerate in high concentrations, combines with hemoglobin, causes (A) Displacement of the oxyhemoglobin dissociation curve to the left (B) Displacement of the oxyhemoglobin dissociation curve ... (C) No change in oxy hemoglobin dissociation curve (D) Increased affinity for oxygen
Description : Abnormal chain of amino acids in sickle cells anaemia is (A) Alpha chain (B) Beta chain (C) Gama chain (D) Delta chain
Description : Haemoglobin SC disease: a. is common amongst Afro-carribean people b. does not show sickle cells in the blood film. c. causes severe anaemia d. causes retinal vein occlusion
Last Answer : causes retinal vein occlusion
Description : Given below graphs an oxygen dissociation curve `:-` Where in the body will haemoglobin be saturation at the percentage shown at points X,Y and Z.
Last Answer : Given below graphs an oxygen dissociation curve `:-` Where in the body will haemoglobin be ... ventricle , Y-Right ventricle, Z-Systemic artery
Description : Oxygen dissociation curve of haemoglobin is
Last Answer : Oxygen dissociation curve of haemoglobin is A. Hyperbolic B. Sigmoid C. Straight D. Constant
Description : Sigmoidal oxygen dissociation curve is a property of (A) Haemoglobin (B) Carboxyhaemoglobin (C) Myoglobin (D) Methaemoglobin
Last Answer : Answer : A
Description : Dissociation curve shifts to the right when
Last Answer : Dissociation curve shifts to the right when A. `CO_(2)` concentration decreases B. `CO_(2 ... increases D. `H^(+)` concentration decreases
Description : Bohr effect is (A) Shifting of oxyhemoglobin dissociation curve to the right (B) Shifting of oxyhemoglobin dissociation curve to the left (C) Ability of hemoglobin to combine with O2 (D) Exchange of chloride with carbonate
Description : Respiratory acidosis?
Last Answer : DefinitionRespiratory acidosis is a condition that occurs when the lungs cannot remove all of the carbon dioxide the body produces. This disrupts the body's acid-base balance causing body ... deflateDrugs that suppress breathing (including powerful pain medicines, such as narcotics, and "downers,
Description : Blood chemistry shows the following changes in compensated respiratory acidosis: (A) Increased pCO2 (B) Increased bicarbonate (C) Decreased chloride (D) All of these
Description : Salicylate poisoning can cause (A) Respiratory acidosis (B) Metabolic acidosis with normal anion gap (C) Metabolic acidosis with increased anion gap (D) Metabolic alkalosis
Description : The initial event in respiratory acidosis is (A) Decrease in pH (B) Increase in pCO2 (C) Increase in plasma bicarbonate (D) Decrease in plasma bicarbonate
Description : Respiratory acidosis can occur in all of the following except (A) Pulmonary oedema (B) Hysterical hyperventilation (C) Pneumothorax (D) Emphysema
Description : Respiratory acidosis results from (A) Retention of carbon dioxide (B) Excessive elimination of carbon dioxide (C) Retention of bicarbonate (D) Excessive elimination of bicarbonate
Description : Hypercholremia is associated with (A) Hyponatremia (B) Hypernatremia (C) Metabolic alkalosis(D) Respiratory acidosis
Description : Salicylate poisoning in early stages causes (A) Metabolic acidosis (B) Respiratory acidosis (C) Metabolic alkalosis (D) Respiratory alkalosis
Description : Morphine poisoning causes (A) Metabolic acidosis (B) Respiratory acidosis (C) Metabolic alkalosis (D) Respiratory alkalosis
Description : Respiratory acidosis occurs in (A) Any disease which impairs respiration like emphysema (B) Renal disease (C) Poisoning by an acid (D) Pyloric stenosis
Description : Meningitis and encephalitis cause (A) Metabolic alkalosis (B) Respiratory alkalosis (C) Metabolic acidosis (D) Respiratory acidosis
Description : Respiratory acidosis is caused by (A) Increase in carbonic acid relative to bicarbonate (B) Decrease in bicarbonate fraction (C) Increase in bicarbonate fraction (E) Decrease in the carbonic acid fraction
Description : Total CO2 is increased in (A) Respiratory acidosis (B) Metabolic alkalosis (C) Both respiratory acidosis and metabolic alkalosis (D) Respiratory alkalosis
Description : Plasma bicarbonate is increased in (A) Respiratory alkalosis (B) Metabolic alkalosis (C) Respiratory acidosis (D) Metabolic acidosis
Description : Plasma bicarbonate is decreased in (A) Respiratory alkalosis (B) Respiratory acidosis (C) Metabolic alkalosis (D) Metabolic acidosis