Description : Inhalation of lead compounds present in automobile exhaust (using leaded petrol) causes (A) Blood poisoning (B) Anaemia (C) Nervous system disorder (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : Inhalation of lead compounds present in the automobile exhausts (using leaded petrol) causes (A) Blood poisoning (B) Anaemia (C) Nervous system disorder (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Pick out the wrong statement. (A) Catalytic converter is fitted in automobiles to reduce carbon monoxide concentration in exhaust emissions (B) Inhalation of pollutant carbon monoxide results ... D) Decomposition of plants containing chlorophyll is a natural source of carbon monoxide in atmosphere
Last Answer : (C) Sulphur dioxide is the main pollutant emitted from the exhaust of petrol driven automobiles
Description : Hyperbaric oxygen therapy?
Last Answer : DefinitionHyperbaric oxygen therapy uses a special chamber, sometimes called a pressure chamber, to increase the amount of oxygen in the blood.InformationSome, but not very many, hospitals ... monoxide poisoningCertain types of brain or sinus infectionsDecompression sickness (for example, a d
Description : If a necrotizing soft tissue infection is considered, therapy mandates: a. Empiric administration of antibiotics active against gram-positive, gram-negative, and anaerobic bacteria b. Due to usually ... is mandatory d. The use of hyperbaric oxygen has been demonstrated to be clearly advantageous
Last Answer : Answer: a, c Identification of a necrotizing, soft tissue infection mandates immediate operative intervention with aggressive resection of all involved tissues and empiric ... remains without controlled trials demonstrating any additional benefits derived from hyperbaric oxygen therapy
Description : A hyperbaric oxygen chamber may be used to treat a patient suffering from _____. a. Tetanus b. Anthrax c. Plague d. Gas Gangrene
Last Answer : d. Gas Gangrene
Description : Which of the following factors are associated with increased fluid requirements in the management of patients with burn injury? a) Inhalation injuries Factors associated with increased fluid ... fluid requirements. d) Hypoglycemia Hypoglycemia is not associated with increased fluid requirements.
Last Answer : a) Inhalation injuries Factors associated with increased fluid requirements include inhalation injuries, delayed resuscitation, scald burn injuries, high-voltage electrical injuries, hyperglycemia, alcohol intoxification and chronic diuretic therapy.
Description : Iron therapy is ineffective in which of the following conditions: (A) Chronic blood loss (B) Inadequate Fe intake (C) Hypochromic anaemia of pregnancy (D) Thalassaemia minor
Last Answer : Answer : D
Description : The following conditions give rise to red blood cells with increased mean cell volume: a. anaemia of chronic disease. b. pernicious anaemia. c. anaemia due to renal failure. d. haemolytic anaemi
Last Answer : pernicious anaemia.
Description : The following statement is not true of carbamazepine: A. It generates an active metabolite B. Its plasma half life decreases to nearly half of the original value after chronic use C. It is being used in mania D. It is not effective in complex partial seizures
Last Answer : D. It is not effective in complex partial seizures
Description : The following factor delays induction with an inhaled general anaesthetic: A. Alveolar perfusion-ventilation mismatch B. Hyperventilation C. Low blood:gas partition coefficient of the anaesthetic D. Inclusion of 5% carbon dioxide in the inhaled gas mixture
Last Answer : A. Alveolar perfusion-ventilation mismatch
Description : With regard to the choroid: a. the choroid receives 85% of blood flow to the eye b. the blood vessels in the choroid contains tight junction c. the choroid vessels are embedded in ... d. in the presence of high partial pressure of carbon dioxide the choroidal vessels increase in diameter
Last Answer : in the presence of high partial pressure of carbon dioxide the choroidal vessels increase in diameter
Description : A patient of chronic renal failure maintained on intermittent haemodialysis has anaemia not responding to iron therapy. Which of the following additional drug is indicated: A. Epoetin B. Cyanocobalamin C. Folic acid D. Pyridoxine
Last Answer : A. Epoetin
Description : Recombinant human erythropoietin is indicated for: A. Megaloblastic anaemia B. Haemolytic anaemia C. Anaemia in patients of thalassemia D. Anaemia in chronic renal failure patients
Last Answer : D. Anaemia in chronic renal failure patients
Description : The following is not a valid indication for parenteral iron therapy: A. Inadequate response to oral iron due to patient noncompliance B. Anaemia during pregnancy C. Severe anaemia associated with chronic bleeding D. Anaemia in a patient of active rheumatoid arthritis
Last Answer : B. Anaemia during pregnancy
Description : Greenhouse gas having largest contribution to global warming A) Carbon dioxide (60%) (B) Nitrous oxide (5%) (C) Methane (15%) (D) CFC
Last Answer : A) Carbon dioxide (60%)
Description : What percentage of the atmosphere consists of carbon dioxide? Is it approximately: a) .03% (read: three-hundredths of a percent) b) 1% c) 5% d) 7%
Last Answer : ANSWER: A -- .03%
Description : Which of the following nursing interventions is appropriate when caring for the awake and oriented head injury patient? a) Supply oxygen therapy to keep blood gas values within normal range. ... rails and application of mitts are the appropriate interventions in the agitated head-injured patient.
Last Answer : a) Supply oxygen therapy to keep blood gas values within normal range. The goal is to keep blood gas values within normal range to ensure adequate cerebral circulation.
Description : When the nurse observes that the postoperative patient demonstrates a constant low level of oxygen saturation, although the patient's breathing appears normal, the nurse identifies that the patient may ... , and cardiac arrest. d) Anemic Anemic hypoxemia results from blood loss during surgery.
Last Answer : a) Subacute Supplemental oxygen may be indicated.
Description : Determinants of cerebral blood flow include: A. Preoperative neurologic dysfunction. B. Arterial CO 2 tension. C. Arterial O 2 tension. D. Systemic arterial pressure. E. All of the above.
Last Answer : Answer: BCD DISCUSSION: Determinants of cerebral blood flow include arterial CO 2 and O 2 tensions, systemic arterial pressure, and temperature. Other factors that may affect cerebral ... and intracranial pressure are head position, jugular venous obstruction, and positive end-expiratory pressure
Description : Thiopental (sodium thiopental, Thiopentone, STP) characterized by the following except A. Prepares as a pale yellow 10.5 (alkaline) B. After iv bolus, rapidly ... C) Effects include decrease cerebral blood flow and O2 requirements D) Has good analgesic ...
Last Answer : Ans: D
Description : Ketamine; all are true except A. Induction of anesthesia by IV route B. Induction of anesthesia … C. Supplementation of sedation... D. Decrease cerebral blood flow
Description : With regard to cerebral autoregulation: a. cerebral blood flow is constant over a diastolic blood pressure of 60 to 140 mmHg b. autoregulation is lost during the acute phase of subarachnoid haemorrhage c. it is impaired in hypercapnia d. it is impaired in hypoxia
Last Answer : it is impaired in hypoxia
Description : Hyperventilation: a. decreases cerebral blood flow b. increases ionized calcium concentration in the serum c. causes hypocapnia d. causes metabolic alkalosis
Last Answer : causes hypocapnia
Description : Increased intracranial pressure causes: a. sixth nerve palsy b. cupping of the optic disc c. absent venous pulsation d. increased cerebral blood flow
Last Answer : absent venous pulsation
Description : With regard to cerebral blood flow: a. is dependent on the intracranial pressure b. is increased by hypoxia c. is reduced by hypercapnia d. is increased by hypothermia
Last Answer : is increased by hypoxia
Description : True statements about cerebral blood flow: a. it is controlled mainly by the autonomic nervous system b. cerebral arterioles constricts when the blood pressure is raised c. it is constant in the blood pressure range of 50 to 150 mm Hg systolic d. hypocapnia increases the cerebral blood flow
Last Answer : it is constant in the blood pressure range of 50 to 150 mm Hg systolic
Description : The cerebral blood flow: a. is increased by hypercapnia b. is increased by hypoxia c. accounts for 15% of the total cardiac output d. all above
Last Answer : all above
Description : True statements about the cerebral blood flow include: a. it is constant for the blood pressure in the range between 50-150mmHg b. the blood pressure is affected more by the PaO2 than PaCO2 c. hypocapnia causes vasoconstriction d. cerebral arterioles constricts when the blood pressure raises
Last Answer : it is constant for the blood pressure in the range between 50-150mmHg
Description : True statements about the cerebral blood flow include: a. it is constant for the blood pressure in the range between 50-150mmHg b. hypocapnia causes vasoconstriction c. cerebral arterioles constricts when the blood pressure raises d. all above
Description : If a large number of people are enclosed in a room, then (a) Oxygen decreases and carbon dioxide increases (b) Oxygen increases and carbon dioxide decrease (c) Both oxygen and carbon dioxide decrease (d) Both oxygen and carbon dioxide increase
Last Answer : Ans:(a)
Description : Global climate change is being attributed to the atmospheric increase in what two gases produced by human activities? w) oxygen and hydrogen x) ozone and methane y) nitrous oxide and sulfur dioxide z) methane and carbon dioxide e) ozone and carbon monoxide
Last Answer : ANSWER: Z -- METHANE AND CARBON DIOXIDE
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 : Which of the following statement(s) is/are true concerning carbon dioxide kinetics? a. The amount of carbon dioxide produced is equivalent to the amount of oxygen consumed b. Carbon dioxide levels ... tissues d. The amount of carbon dioxide excreted is a function of ventilation of perfused alveoli
Last Answer : Answer: a, c, d The total amount of carbon dioxide produced by systemic metabolism is roughly equivalent to the amount of oxygen consumed (100-120 cc/m2/min, 200 cc/min in a typical ... carbon dioxide excreted is a function of ventilation of perfused alveoli (i.e. the alveolar ventilation/min).
Description : Minute, circular discs floating in the blood, which carry oxygen to the tissues, and carbon dioxide away from them, are called (a) White blood corpuscles (WBC) (b) Red blood corpuscles (RBC) (c) Monophylls (d) Erythrocytes
Last Answer : Ans:(b)
Description : The chemoreceptors that participate in the ventilation control are structures that collect information about the acidity and alkalinity of the blood. The information is then transmitted by nervous ... by receptors that receive pH information from the cerebrospinal fluid.) The Circulatory System
Last Answer : What is circulation?
Description : Describe the transport of oxygen and carbon dioxide in the blood?
Last Answer : Transport of oxygen: - Oxygen is transported in two ways: - i) Through plasma only small amount of oxygen is dissolved in hemoglobin. ii) Through hemoglobin 20 ml oxygen is transported in ... form carbamino compound. iii) 6% of carbon dioxide is simply dissolved in the blood.
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 : The partial pressure of oxygen in the alveoli of the lungs is (a) equal to that in the blood (b) more than that in the blood (c) less than that in the blood (d) less than that of carbon dioxide.
Last Answer : (b) more than that in the blood
Description : Carbon monoxide is a poisonous gas for one of the following reasons. w) it is a powerful acid anhydride x) it combines with the hemoglobin of the blood y) it depletes the dissolved oxygen in the blood by forming carbon dioxide z) it is a strong oxidizing agent
Last Answer : ANSWER: X -- IT COMBINES WITH THE HEMOGLOBIN OF THE BLOOD
Description : The process of osmosis is best illustrated by the movement of: a) salts in blood stream. b) oxygen into red blood cells. c) carbon dioxide through stomata. d) water into root hair cells.
Last Answer : ANSWER: D -- WATER INTO ROOT HAIR CELLS.
Description : The function of the heart is to (1) Supply oxygen to the tissues (2) carry carbon dioxide from the tissues (3) throw away waste materials (4) pump blood to different parts of the body
Last Answer : pump blood to different parts of the body
Description : Explain higher and lower calorific value of a coal having following composition by mass Carbon 81%,Hydrogen 7%, Oxygen 8%,Nitrogen 2.5%, sulphur 1.5% and remaining is ash
Last Answer : Carbon C = 81% = 0.81 Hydrogen = H2 = 7% = 0.07 Oxygen = O2 = 8% = 0.08 Nitrogen = N = 2.5% = 0.025 Sulphur = S =1.5% = 0.015 Ash = 2.5% = 0.025 Dulong's formula: H.C.V. of coal = 33800 C + 144500 ... = H.C.V.- 9H2 x 2442 KJ / Kg = 36187.5- 9 x 0.07 x 2442 L.C.V. of coal = 34649.04 KJ / Kg
Description : Where is oxgyen in greater concentration in the alveoli just after inhalation or in the blood entering the pulmonary?
Last Answer : Need answer
Description : Risk factors that increase the likelihood of post-traumatic seizures following a head injury include which of the following? a) Age over 65 years Risk factors that increase the likelihood of post ... is a risk factor that increases the likelihood of post-traumatic seizures following a head injury
Last Answer : a) Age over 65 years Risk factors that increase the likelihood of post-traumatic seizures following a head injury include brain contusion with subdural hematoma, skull fracture, loss of consciousness or amnesia of 1 day or more, and age over 65 years.
Description : Which of the following categories of medications may result in seizure activity if withdrawn suddenly? a) Tranquilizers Abrupt withdrawal of tranquilizers may result in anxiety, tension, ... may cause excessive respiratory depression during anesthesia due to an associated electrolyte imbalance.
Last Answer : a) Tranquilizers Abrupt withdrawal of tranquilizers may result in anxiety, tension, and even seizures if withdrawn suddenly.
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 : A person suffering from carbon monoxide poisoning a) appears intoxicated. A person suffering from carbon monoxide poisoning appears intoxicated (from cerebral hypoxia). Other signs and symptoms include headache, ... pink to cherry red to cynanotic and pale and is not a reliable diagnostic sign.
Last Answer : a) appears intoxicated. A person suffering from carbon monoxide poisoning appears intoxicated (from cerebral hypoxia). Other signs and symptoms include headache, muscular weakness, palpitation, dizziness, and mental confusion.
Description : The oxygen dissociation curve is shifted to the right with: a. polycythaemia b. pyrexia c. respiratory acidosis d. sickle cell anaemia
Last Answer : pyrexia
Description : Phenytoin: 1) is a benzalkonium Derivative 2) is clinically effective serum level is in the range on 2-10 micrograms/ml. 3) A steady state blood level is achieved by 2-5 days 4) Can be used in management of alchohol withdrawl syndrome 5) Is the drug of choice in absence seizures.
Last Answer : Answers-4 Phenytoin is an imidazolidine derivative.It relates to barbiturates in chemical structure. Clinically effective seum level is in the range on 10-20 micrograms/ml. A steady state blood level is achieved by 7-10 days.