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
Last Answer : Answer : A
Description : The primary event in respiratory alkalosis is (A) Rise in pH (B) Decrease in pCO2 (C) Increase in plasma bicarbonate (D) Decrease in plasma chloride
Last Answer : Answer : B
Description : During compensation of respiratory alkalosis, all the following changes occur except (A) Decreased secretion of hydrogen ions by renal tubules (B) Increased excretion of sodium in urine (C) Increased excretion of bicarbonate in urine (D) Increased excretion of ammonia in urine
Last Answer : Answer : D
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
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 : Which of the following statements about respiratory acidosis are true? A. Compensation occurs by a shift of chloride out of the red blood cells. B. Renal compensation occurs rapidly. C. Retention of ... of respiratory acidosis. E. The ratio of bicarbonate to carbonic acid is less than 20:1.
Last Answer : Answer: CE DISCUSSION: Renal compensation for acute hypoventilation is relatively slow. Depression of the respiratory center by morphine can lead to respiratory acidosis. Renal retention of bicarbonate, ... into red cells combine to increase the ratio of bicarbonate to carbonic acid to 20:1
Description : If the body undergoes alkalosis the respiratory center located in the medulla gets the information and induces the lowering of the respiratory frequency. The reduction of the respiratory frequency makes ... of bicarbonate towards the production of more hydrogen ions and thus the blood pH lowers.
Last Answer : What is the difference between respiratory acidosis and metabolic acidosis and what is the difference between respiratory alkalosis and 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 : Metabolic alkalosis can occur in (A) Severe diarrhoea (B) Renal failure (C) Recurrent vomiting (D) Excessive use of carbonic anhydrase inhibitors
Last Answer : Answer : C
Description : Quantitatively, the most significant buffer system in plasma is (A) Phosphate buffer system (B) Carbonic acid-bicarbonate buffer system (C) Lactic acid-lactate buffer system (D) Protein buffer system
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
Description : Important buffer system of extracellular fluid is (A) Bicarbonate/carbonic acid (B) Disodium hydrogen phosphate/sodium dihydrogen phosphate (C) Plasma proteins (D) Organic Phosphate
Description : At the pH of blood 7.4, the ratio between the carbonic acid and bicarbonate fractions is (A) 1 : 10 (B) 1 : 20 (C) 1 : 30 (D) 1 : 40
Description : Which of the following features are present in blood chemistry in uncompensated metabolic alkalosis except? (A) Increased pH (B) Increased bicarbonate (C) Normal chloride (D) Normal pCO2
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 : Name the chronic respiratory disorder caused mainly by cigarette smoking. (a) Respiratory acidosis (b) Respiratory alkalosis (c) Emphysema (d) Asthma
Last Answer : (c) Emphysema
Description : Select the diuretic which is orally active, efficacious in acidosis as well as alkalosis, causes diuresis even in renal failure and has additional carbonic anhydrase inhibitory action: A. Mannitol B. Benzthiazide C. Indapamide D. Furosemide
Last Answer : D. Furosemide
Description : The acid which fails to liberate carbon dioxide from sodium bicarbonate is : (1) Acetic acid (2) Formic acid (3) Carbonic acid (4) Sulphuric acid
Last Answer : (4) Sulphuric acid Explanation: Sodium bicarbonate and organic acid (Formic acid, Acetic acid, Carbonic acid, etc) react vigorously to liberate carbon dioxide. For example, Sodium bicarbonate (NaHCO3) when treated with acetic acid reacts vigorously to liberate carbon dioxide.
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
Last Answer : Sulphuric acid
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 : Respiratory alkalosis can occur in (A) Bronchial asthma (B) Collapse of lungs (C) Hysterical hyperventilation (D) Bronchial obstruction
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 alkalosis occurs in (A) Hysterical hyperventilation (B) Depression of respiratory centre (C) Renal diseases (D) Loss of intestinal fluids
Description : Meningitis and encephalitis cause (A) Metabolic alkalosis (B) Respiratory alkalosis (C) Metabolic acidosis (D) Respiratory acidosis
Description : Total CO2 is increased in (A) Respiratory acidosis (B) Metabolic alkalosis (C) Both respiratory acidosis and metabolic alkalosis (D) Respiratory alkalosis
Description : An important feature of Von-Gierke’s disease is (A) Muscle cramps (B) Cardiac failure (C) Hypoglycemia (D) Respiratory alkalosis
Description : With regard to the transport of carbon dioxide in blood: a. 25% of carbon dioxide is dissolved in blood b. carbonic anhydrase is found in plasma c. 50% of carbon dioxide is carried as bicarbonate d. deoxygenated haemoglobin facilitates the transport of carbon dioxide
Last Answer : deoxygenated haemoglobin facilitates the transport of carbon dioxide
Description : If the body experiences acidosis the respiratory center located in the medulla gets the information and induces the increase of the respiratory frequency. The increment of the respiratory frequency makes the ... of bicarbonate towards the spending of more hydrogen ions and thus the blood pH raises.
Last Answer : How does the breathing process correct alkalosis?
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 : 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 : A young child presents with respiratory distress, worsening over 2 days. Blood gases show a pH of 7.25, a PCO2 of 7.5kPa, a PO2 of 8.5kPa, and a base excess of -4. Which of the ... required. 4) Results are consistent with late severe asthma. 5) Bicarbonate may be necessary to correct the acidosis.
Last Answer : Answers-4 In interpreting blood gas results, the following sequence may be useful: Inspect the pH: Is it low, normal or high? Inspect the CO2: Is it low, normal or high? Inspect the PO2: Is ... excess and normal pH. Bicarbonate is usually only considered if the base deficit exceeds about -8 or 00.
Description : Respiratory alkalosis?
Last Answer : DefinitionRespiratory alkalosis is a condition marked by low levels of carbon dioxide in the blood due to breathing excessively.See also: AlkalosisAlternative NamesAlkalosis - respiratoryCauses, incidence, and risk factorsCommon ... a paper bag -- or using a mask that causes you to re-breathe car
Description : Which of the following may precipitate an asthma attack? (a) Respiratory acidosis (b) Viran and bacterial infections (c) Respiratory alkalosis (d) Cranberry jiuce (e) Chocolate or Coca Cola
Last Answer : Ans: B
Description : The toxicity spectrum of aspirin does not include (a) Increased risk of encephalopathy in children with viral infections (b) Increased risk of peptic ulcers (c) Hyperprothrombinemia (d) Metabolic acidosis (e) Respiratory alkalosis
Last Answer : Ans: C
Description : Which one of the following effects does not occur in salicylate intoxication ? (a) Hyperventilation (b) Hypothemia (c) Metabolic acidosis (d) Respiratory alkalosis (e) Tinnitus
Description : Metabolic effects that generally attend antiinflammatory doses of aspirin include the following except: A. Increased CO2 production B. Hepatic glycogen depletion C. Metabolic acidosis D. Compensated respiratory alkalosis
Last Answer : C. Metabolic acidosis
Description : Which one of the following is a feature of the VIPoma syndrome? 1) Alkalosis 2) Hypoglycaemia 3) Hypokalaemia 4) Increased gastric acid seceretion 5) Provocation of VIP release by somatostatin
Last Answer : Answers-3 a, b,d,e: All opposite to what is expected. VIPOMA -Features vasoactive intestinal polypeptide secreting tumour, mainly pancreas rarely ganglioneuroblatoma (sympathetic ... -peripheral vasodilation - inhibits gastric acid secretion -potentiates acetylcholine action on salivary glands
Description : Concentration of carbonic acid does not increase in blood due to the presence of
Last Answer : Concentration of carbonic acid does not increase in blood due to the presence of A. `Na^(+)` B. `Mg^(2+)` C. `Ca^(2+)` D. `K^(+)`
Description : The need to produce concentrated urine is detected in the brain is due to the increase in the concentration of (a) Glucose in the blood (b) K+ in the blood (c) Na+ in the blood (d) Carbonic acid in the blood
Last Answer : Ans:(c)
Description : All of the following are zinc-containing enzymes except (A) Acid Phosphatase (B) Alkaline Phosphatase (C) Carbonic anhydrase (D) RNA polymerase
Description : All the following diuretics inhibit the carbonic anhydrase except (A) Acetazolamide (B) Bumetanide (C) Furosemide (D) Ethacrynic acid
Description : Mineralocorticoids increase the tubular secretion of (A) Sodium (B) Potassium (C) Chloride (D) Bicarbonate
Description : Neuron excitability increase ina. alkalosis b. acidosis c. neutral d. none of them
Last Answer : alkalosis
Description : Hypokalemia with an accompanying hypochloremic alkalosis may be observed in (A) Cushing’s syndrome(B) Addison’s disease (C) Hyptothyroidism (D) Malnutrition
Description : Tetany can occur in (A) Hypocalcaemia (B) Hypercalcaemia (C) Alkalosis (D) Hypocalcaemia and alkalosis
Description : Metabolic alkalosis occurs (A) As consequence of high intestinal obstruction (B) In central nervous system disease (C) In diarrhoea (D) In colitis