McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: All India Pre Medical Test (AIPMT) .
Chapters
| 751. |
Where Bicarbonate is conveted into carbonic acid |
| A. | In the RBC of capillaries around the lungs |
| B. | In the body fluid |
| C. | In the areolar cavity of lungs |
| D. | In the RBC of blood capillaries around body tissue. |
| Answer» A. In the RBC of capillaries around the lungs | |
| 752. |
Maximum amount of O2 is transported in humans by |
| A. | RBC |
| B. | WBC |
| C. | Blood platelets |
| D. | Blood plasma |
| Answer» A. RBC | |
| 753. |
CO2 from RBC enters blood plasma in the form of |
| A. | H2CO3 |
| B. | HCO3– |
| C. | KHCO3 |
| D. | NaHCO3 |
| Answer» B. HCO3– | |
| 754. |
The human ribs |
| A. | Are accessory respiratory organs |
| B. | Do not help in breathing |
| C. | Are main respiratory organs |
| D. | Are not respiratory organs |
| Answer» D. Are not respiratory organs | |
| 755. |
Respiration rate is the lowest during. |
| A. | Running |
| B. | Playing |
| C. | Eating |
| D. | Sleeping |
| Answer» D. Sleeping | |
| 756. |
Hamburger’s phenomenon is also known as(CPMT.1988,1991,AMU.2001,J.LPME.R.2002) |
| A. | HCO3– shift |
| B. | Na+ shift |
| C. | H+ shift |
| D. | Chloride shift |
| Answer» D. Chloride shift | |
| 757. |
Oxygen carrying capacity of blood is (CPMT.1990) |
| A. | 20% |
| B. | 30% |
| C. | 40% |
| D. | 50% |
| Answer» A. 20% | |
| 758. |
Respiratory movements are controlled by (A.P.M.E.E.1978,C.P.M.T.1998) |
| A. | Cerebelluam |
| B. | Cerebrum |
| C. | Medulla oblongata |
| D. | Crura cerebri |
| Answer» C. Medulla oblongata | |
| 759. |
At higher CO2 condtcentration,oxygen dissociation curve of haemoglobin will (CPMT.1990) |
| A. | Move to left |
| B. | Move to right |
| C. | Become irregular |
| D. | Move upwardly |
| Answer» B. Move to right | |
| 760. |
Chloride shift is required for transport of (CPMT.1990) |
| A. | Nitrogen |
| B. | Oxygen |
| C. | Carbon dioxide |
| D. | Carbon dixide and oxygen |
| Answer» C. Carbon dioxide | |
| 761. |
Volume of air inspired or expired with each normal breath is known as(CMPT.1992,AMU.2000) |
| A. | Inspiratory capacity |
| B. | Total Lung capacity |
| C. | Tidal volume |
| D. | Residual volume |
| Answer» C. Tidal volume | |
| 762. |
Oxygen haemoglobin dissociation curve will shift to right on decrease of (AMU.1992) |
| A. | Acidity |
| B. | Carbon dioxide concentration |
| C. | Temperature |
| D. | pH |
| Answer» D. pH | |
| 763. |
Is Double membrane pleard sac is situated...... (J.K.C.M.E.E.1992) |
| A. | Envelops the kidneys |
| B. | Envelops the brain |
| C. | Envelops the lungs |
| D. | Lines the nasal passage |
| Answer» C. Envelops the lungs | |
| 764. |
In expiration, diaphragm becomes (C.P.M.T.1993) |
| A. | Flattened |
| B. | Relaxed |
| C. | Straightened |
| D. | Arched |
| Answer» B. Relaxed | |
| 765. |
Carbon dioxide is transported from tissues to respiratory surface by only(C.B.S.E.1993) |
| A. | Plasma and erythrocytcs |
| B. | Plasma |
| C. | Erythrocytes |
| D. | Erythrocytes and leucocytes. |
| Answer» A. Plasma and erythrocytcs | |
| 766. |
Respiratory centre is situated in CPMT.1980,2002,B.H.U.1995,M.P.P.M.T.1998,C.B.S.E.1999,R.PMT.2006) |
| A. | Cerebellum |
| B. | Medulla oblongata |
| C. | Hypothalamus |
| D. | Cerebrum |
| Answer» B. Medulla oblongata | |
| 767. |
Which is false ? (Manipal 1995) |
| A. | Blood from right side of heart is carried to lungs by pulmonary artery |
| B. | Pleura is double covering of kindey |
| C. | Pancreas is both exocrine & endocrine gland |
| D. | Scurvy is due to vitamin C deficiency. |
| Answer» B. Pleura is double covering of kindey | |
| 768. |
Volume of air breathed in and out during effortless respiration is (Kerala 2001) |
| A. | residual volume |
| B. | vital volume |
| C. | tidal volume |
| D. | normal volume |
| Answer» C. tidal volume | |
| 769. |
Body tissue obtain oxygen from haemoglobin due to its dissociation in tissues caused by (M.P.PMT.1995) |
| A. | Low oxygen concentration and high carbon dioxide concentration |
| B. | Low oxygen concentration |
| C. | Low carbon dioxide concentration |
| D. | High carbon dioxide concentration. |
| Answer» B. Low oxygen concentration | |
| 770. |
Lungs have a number of alveoli for (M.P.PMT.1995) |
| A. | Having spongy texture and proper shape |
| B. | More surface area for diffusion of gases |
| C. | More space for increasing volume of inspired air |
| D. | More nerve supply. |
| Answer» B. More surface area for diffusion of gases | |
| 771. |
Presence of large number of alveoli around alveolar ducts opening into bronchioles in mammalian lungs is (C.B.S.E.1995) |
| A. | Inefficient system of ventilation with little of residual air |
| B. | Inefficient system of ventilation with high percentage of residual air |
| C. | An efficient system of ventilation with no residual air |
| D. | An efficient system of ventilation with little residual air. |
| Answer» D. An efficient system of ventilation with little residual air. | |
| 772. |
During transport of CO2 blood does not become acidic due to (C.B.S.E.1995) |
| A. | Neutralisation of H2 CO3 by Na2 CO3 |
| B. | Absorption by leucocytes |
| C. | Blood buffers |
| D. | Non accumulation |
| Answer» C. Blood buffers | |
| 773. |
At high altitude,RBCs of human blood will (C.B.S.E.1995,Pb.PMT.1999,J.LPM.E.R.2000) |
| A. | Increase in number |
| B. | Decrease in number |
| C. | Decrease in size |
| D. | Increase in size |
| Answer» A. Increase in number | |
| 774. |
CO2 is transported (C.B.S.E.1095) |
| A. | dissolved in blood plasma |
| B. | As carbonic acid |
| C. | In carbaminohaemoglobin |
| D. | As carbaminolaemoglobin and carbonic acid |
| Answer» D. As carbaminolaemoglobin and carbonic acid | |
| 775. |
Maximum amount 70-75% of carbon dioxide transport occurs as (R.P.M.T.1996,1998,Kamataka 1997,M.P.PMT.1998,C.P.M.T.1998,B.V.2002) |
| A. | Dissolved in plasma |
| B. | Carbaminohaemoglobin complex |
| C. | Bicarbonate |
| D. | None of the above |
| Answer» C. Bicarbonate | |
| 776. |
Trachea is lined with incomplete rings of (D.P.M.T.1996) |
| A. | Fibrous cartilage |
| B. | Calcified cartilage |
| C. | Elastic cartilage |
| D. | Hyaline cartilage |
| Answer» D. Hyaline cartilage | |
| 777. |
Oxygen and carbon dioxide are transported in blood through (CB.S.E.1996) |
| A. | Platelets and corpuscles |
| B. | RBCs and WBCs |
| C. | WBCs and serum |
| D. | RBCs and plasma |
| Answer» D. RBCs and plasma | |
| 778. |
About 1500 ml of air left in lungs is called (CB.S.E.1996) |
| A. | Tidal volume |
| B. | Inspiratory reserve volume |
| C. | Residual volume |
| D. | Vital capacity |
| Answer» C. Residual volume | |
| 779. |
Which one protects the lungs? (B.H.U.1990) |
| A. | Ribs |
| B. | Vertebral column |
| C. | Sternum |
| D. | All the above |
| Answer» D. All the above | |
| 780. |
Which one has the lowest value? |
| A. | Tidal volume |
| B. | Vital capacity |
| C. | Inspiratory reserve volume |
| D. | Expiratory reserve volume |
| Answer» A. Tidal volume | |
| 781. |
A child was killed through asphyxiation. Post morturm confirmed it because a piece of lung put in water (M.P.PMT.1996) |
| A. | Settled dowm |
| B. | Kept floating |
| C. | Had blood spots |
| D. | None of the above |
| Answer» B. Kept floating | |
| 782. |
A molecule of haemoglobin carries how many oxygen molecules ((M.P.P.M.T.1997,Tamil Nadu 2001,C.F.M.T.2002,J.CM.E.E.2004) |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 783. |
In carbon monoxide poisoning there is (A.F.M.C 1997) |
| A. | Increase in carbon dioxide concentration |
| B. | Decrease in oxygen availability |
| C. | Decrease in free haemoglobin |
| D. | None of the above. |
| Answer» C. Decrease in free haemoglobin | |
| 784. |
Exchange of gases in lung alveoli occurs through (CB.S.E.1998,A.FMC.2002) |
| A. | Active transport |
| B. | Osmosis |
| C. | Simple diffusion |
| D. | Passive transport |
| Answer» C. Simple diffusion | |
| 785. |
Haemoglobin is (CB.S.E.1999) |
| A. | Vitamin |
| B. | Skin pigment |
| C. | Blood carrier |
| D. | Respiratoy pigment |
| Answer» D. Respiratoy pigment | |
| 786. |
Vocal cords occur in |
| A. | Pharynx |
| B. | Larynx |
| C. | Glottis |
| D. | Bronchial tube |
| Answer» B. Larynx | |
| 787. |
The cells which do not respire (A.FMC.2001) |
| A. | Epidermal cells |
| B. | Sieve cells |
| C. | Cortical cells |
| D. | Erythocytes |
| Answer» D. Erythocytes | |
| 788. |
Hiccough (hiccup) is due to activity of (Manipal 2001) |
| A. | Intercostal muscles |
| B. | Food in air tract |
| C. | Diaphragm |
| D. | Inadequate oxygen in environment |
| Answer» C. Diaphragm | |
| 789. |
Bicarbonate formed inside erythrocytes moves out to plasma while chloride of plasma pass into erythrocytes.The phenomenon is called (Kerala 2001,2003) |
| A. | Bicarbonate shift |
| B. | Carbonation |
| C. | Hamburger phenomenon |
| D. | None of the above |
| Answer» C. Hamburger phenomenon | |
| 790. |
Respiratory centre of brain is stimulated by (A.I.I.M.S 2000) |
| A. | Carbon dioxide content in venous blood |
| B. | Carbon dioxide content in arterial blood |
| C. | Oxygen content in venous blood |
| D. | Oxygen content in arterial blood |
| Answer» D. Oxygen content in arterial blood | |
| 791. |
A higher CO2 concentration of blood causes (AM U.2001) |
| A. | Slow diffusion of co2 from blood |
| B. | Slow transport of CO2 from blood |
| C. | Slow diffusion of o2 from blood |
| D. | Both A and B |
| Answer» C. Slow diffusion of o2 from blood | |
| 792. |
Gases diffuse over the respiratory surface because of (Manipal 2002) |
| A. | O2 is more in alveoli than in blood |
| B. | O2 is more in blood than in tissues |
| C. | CO2 is more in alveoli than in blood |
| D. | PCO2 is more in blood than in tissues |
| Answer» A. O2 is more in alveoli than in blood | |
| 793. |
Dissociation curve of O2 (which is dissociation from Hb) shifts to the rights.... |
| A. | O2 concentration decrease |
| B. | CO2 concentration decreases |
| C. | CO2 concentration increase |
| D. | Chloride concentration increases |
| Answer» C. CO2 concentration increase | |
| 794. |
Thoracic cage of man is formed of (M.P.P.M.T.2002) |
| A. | Ribs and sternum |
| B. | Ribs,sternum and thoracic vertebrae |
| C. | Ribs,sternum and lumbar vertebrae |
| D. | Ribs and thoracic vertebrae. |
| Answer» B. Ribs,sternum and thoracic vertebrae | |
| 795. |
Vital capacity of lung is equal to (Karnataka 2002) |
| A. | IRV+ERV+TV |
| B. | IRV+ERV+TV-RV |
| C. | IRV+ERV+TV+RV |
| D. | IRV+ERV |
| Answer» A. IRV+ERV+TV | |
| 796. |
Dead space is (Manipal 2003) |
| A. | Upper respiratory tract |
| B. | Nasal chambers |
| C. | Alveolar space |
| D. | Lower respiratory tract. |
| Answer» A. Upper respiratory tract | |
| 797. |
Carbon monoxide contained in Tobacco smoke (A.I.E.E.E.2003) |
| A. | Is carcinogenic |
| B. | Causes gastric ulcers |
| C. | Reduces oxygen carrying capacity of blood |
| D. | Raises blood pressure |
| Answer» C. Reduces oxygen carrying capacity of blood | |
| 798. |
What is correct ? (Orissa 2003) |
| A. | Pulomonary ventilation is equal to alveolar ventilation |
| B. | Alveolar ventilation is less than pulmonary ventilation |
| C. | Alveolar ventilation is more than pulmonary ventilation |
| D. | Both are variable. |
| Answer» B. Alveolar ventilation is less than pulmonary ventilation | |
| 799. |
Increase in CO2 concentration shall cause (CB.S.E.2004) |
| A. | Slower and shallower breathing |
| B. | Slower and deeper breathing |
| C. | Faster and deeper breathing |
| D. | No effect on breathing |
| Answer» C. Faster and deeper breathing | |
| 800. |
SARS is caused by a variant of (A.I.I.M.S 2004) |
| A. | Pneumococcus pneumonia |
| B. | Common cold by Corona virus |
| C. | Asthma |
| D. | Bronchitis |
| Answer» B. Common cold by Corona virus | |
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