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
| 701. |
The length of human trachea is about (Gujarat C.E.T.Q.B.) |
| A. | 6 inches |
| B. | 12 cm |
| C. | 12 inches |
| D. | 18 cm |
| Answer» B. 12 cm | |
| 702. |
The trachea is supported by, cartilaginous rings,which are.........shaped |
| A. | C |
| B. | L |
| C. | O |
| D. | S |
| Answer» A. C | |
| 703. |
Sound production in humans is controlled by |
| A. | Nares |
| B. | Lungs |
| C. | Larynx |
| D. | Pharynx |
| Answer» C. Larynx | |
| 704. |
A lung contains many small balloon like air sacs. are called..... |
| A. | Gas spaces |
| B. | Alveoli |
| C. | Bronchi |
| D. | Bronchioles |
| Answer» B. Alveoli | |
| 705. |
The intake of air is called ? |
| A. | Venitlation |
| B. | Inhalation |
| C. | Exhalation |
| D. | Respiration. |
| Answer» B. Inhalation | |
| 706. |
Intercostal muscles regulate the movement of |
| A. | Ribs |
| B. | Trachea |
| C. | Diapharagm |
| D. | Pharynx. |
| Answer» A. Ribs | |
| 707. |
The muscles present between ribs are called |
| A. | Phrenic muscles |
| B. | Intercoslal muscles |
| C. | Cardiac muscles |
| D. | Voluntary muscles. |
| Answer» B. Intercoslal muscles | |
| 708. |
During exhalation, the diaphragm moves |
| A. | Apart |
| B. | Downwards |
| C. | Upwards |
| D. | Inwards |
| Answer» C. Upwards | |
| 709. |
Respiratory control centres are loacted in |
| A. | Lungs |
| B. | Medulla oblongata |
| C. | Spinal cord |
| D. | Ribs |
| Answer» B. Medulla oblongata | |
| 710. |
The de-oxygenated blood from heart comes to the lungs by |
| A. | Pulmonary artery |
| B. | Pulmonary vein |
| C. | Branchial artery |
| D. | Renal artery |
| Answer» A. Pulmonary artery | |
| 711. |
Oxygen containing blood transported from lungs is to heart by |
| A. | Pulmonary artery |
| B. | Pulmonary vein |
| C. | Branchial artery |
| D. | Renal vein |
| Answer» B. Pulmonary vein | |
| 712. |
How much fraction of oxygen is transported to tissues through RBCs? |
| A. | 100% |
| B. | 56% |
| C. | 45% |
| D. | 97%. |
| Answer» D. 97%. | |
| 713. |
H2 CO3 is converted into CO2 and H2O with the help of an enzyme known as |
| A. | Carboxylase |
| B. | Carbonic dehydrogenase |
| C. | Carbonicenhydrase |
| D. | Carbonic anhydrase. |
| Answer» D. Carbonic anhydrase. | |
| 714. |
The metal ion present in haemoglobin is |
| A. | Iron |
| B. | Magnesium |
| C. | Copper |
| D. | Zinc |
| Answer» A. Iron | |
| 715. |
One RBC can transport about how many molecles of oxygen? |
| A. | One million |
| B. | Ten million |
| C. | One billion |
| D. | Ten billion |
| Answer» C. One billion | |
| 716. |
How many percentage of CO2 transport in the form of carbamino compounds ? |
| A. | 70% |
| B. | 90% |
| C. | 5% |
| D. | 20% |
| Answer» D. 20% | |
| 717. |
The largest amount of CO2 is transported in blood as |
| A. | Carbamino compounds |
| B. | Bicarbonates |
| C. | Carbonic acid - |
| D. | Carbonate ions. |
| Answer» B. Bicarbonates | |
| 718. |
Chloride back-shift is associated with the transport of |
| A. | Carbamino |
| B. | CO2 |
| C. | Oxygen |
| D. | Water |
| Answer» C. Oxygen | |
| 719. |
CO2 reacts with water to form |
| A. | Haemoglobinic acid |
| B. | Carbonic acid |
| C. | Bicarbonate ions |
| D. | Carbon mono oxide. |
| Answer» B. Carbonic acid | |
| 720. |
Bronchitis is a |
| A. | Bacterial infection |
| B. | Viral infection |
| C. | Protozoan infection |
| D. | Fungal infection. |
| Answer» A. Bacterial infection | |
| 721. |
Asthma is a disease of |
| A. | Pharynx |
| B. | Trachea and its branches |
| C. | Lungs |
| D. | Blood capillaries |
| Answer» B. Trachea and its branches | |
| 722. |
Flattening of alveolar ducts (tracheal vessels) results in |
| A. | Asthma |
| B. | Emphysema |
| C. | Lung cancer |
| D. | Bronchitis. |
| Answer» B. Emphysema | |
| 723. |
Which of these protects the larynx |
| A. | Pharnx |
| B. | Trachea |
| C. | Epiglottis |
| D. | Naso-pharynx. |
| Answer» C. Epiglottis | |
| 724. |
Trachea terminates in |
| A. | Bronchi |
| B. | Alveoli |
| C. | Bronchioles |
| D. | Nares |
| Answer» A. Bronchi | |
| 725. |
In which form CO2 is not transported by blood plasma |
| A. | NaHCO3 |
| B. | KHCO3 |
| C. | Carbamino proteins |
| D. | KHbO2 |
| Answer» B. KHCO3 | |
| 726. |
Which one is not viral infection |
| A. | Vocational lung disease |
| B. | Bronchitis |
| C. | Asthma |
| D. | Emphysema. |
| Answer» A. Vocational lung disease | |
| 727. |
They respire through lungs |
| A. | Fish |
| B. | Cockroaches |
| C. | Crocodiles |
| D. | Earthworms |
| Answer» C. Crocodiles | |
| 728. |
The muscles take part in rapid breathing |
| A. | Muscles of rib cage |
| B. | Muscles of neck region and abdominal region |
| C. | Thoracic and abdominal muscles |
| D. | Muscles of neck region and thoracic region. |
| Answer» B. Muscles of neck region and abdominal region | |
| 729. |
Human lungs are situated in |
| A. | Abdominal cavity |
| B. | Thoracic cavity |
| C. | Inside diaphragm |
| D. | Abdominal cavity |
| Answer» B. Thoracic cavity | |
| 730. |
Blockage in respiratory passage in humans is prevented due to the presence of |
| A. | Epiglottis |
| B. | Larynx |
| C. | Alveoli |
| D. | ‘C’ shaped cartilagenous rings. |
| Answer» D. ‘C’ shaped cartilagenous rings. | |
| 731. |
In human beings |
| A. | Left lung is slightly smaller |
| B. | Left lung is slightly wider |
| C. | Right lung is slightly smaller |
| D. | Both lungs are of similar size. |
| Answer» A. Left lung is slightly smaller | |
| 732. |
The left lung is slightly smaller so as |
| A. | It is exception |
| B. | No specific reason |
| C. | Both A and B |
| D. | To accommodate heart. |
| Answer» D. To accommodate heart. | |
| 733. |
In which disease lung tissue degenerate? |
| A. | Bronchitis |
| B. | Pneumonia |
| C. | Asthma |
| D. | Emphysema. |
| Answer» D. Emphysema. | |
| 734. |
Which is the lung disorder related to profession? |
| A. | Silicosis |
| B. | Emphysema |
| C. | Pneumonia |
| D. | Asthma |
| Answer» A. Silicosis | |
| 735. |
This disease is due to first virus infection followed by bacterial attack |
| A. | Asthma |
| B. | Bronchitis |
| C. | Emphysema |
| D. | Allergy |
| Answer» B. Bronchitis | |
| 736. |
The disease in which masses of undifferentiated cells formed in tracheal walls |
| A. | Acute bronchitis |
| B. | Emphysema |
| C. | Lung cancer |
| D. | Pneumonia |
| Answer» C. Lung cancer | |
| 737. |
This disease is due lo allergens |
| A. | Emphysema |
| B. | Bronchitis |
| C. | Pneumonia |
| D. | Asthma |
| Answer» D. Asthma | |
| 738. |
During inhalation the following activities occur |
| A. | Area of rib cage increases, diaphragm is pulled upwards |
| B. | Area of rib cage increases, diaphragm is pulled downward |
| C. | Area of rib cage reduces, diaphram gets contracted |
| D. | Area of rib cage reduces, diaphram gets relaxed. |
| Answer» B. Area of rib cage increases, diaphragm is pulled downward | |
| 739. |
Blood transports oxygen in the form of |
| A. | HHbO2 |
| B. | KHCO3 |
| C. | KHbO2 |
| D. | H2CO3 |
| Answer» C. KHbO2 | |
| 740. |
In which three forms of CO2 is transported by blood |
| A. | As a solution, carbamino compunds, bicarbonates |
| B. | As a solution, carbamino proteins,KHCO3 |
| C. | As a solution, carbamino haemoglobin, NaHCO3 |
| D. | As A solution, carbamino compound H2CO3 |
| Answer» B. As a solution, carbamino proteins,KHCO3 | |
| 741. |
Carbamino proteins are formed in |
| A. | Blood plasma |
| B. | Blood platelets |
| C. | Blood cells |
| D. | RBC |
| Answer» A. Blood plasma | |
| 742. |
The centre which excites both the activities during rapid breathing is |
| A. | Ventral respiratory center |
| B. | Lateral respiratory center |
| C. | Pneumotoxic center |
| D. | Dorsal respiratory center. |
| Answer» A. Ventral respiratory center | |
| 743. |
The function of pneumotoxic center is |
| A. | To regulate inhalation |
| B. | To maintain rhythmicity of respiration |
| C. | Increases rate of ethalation |
| D. | Does not play significant role. |
| Answer» A. To regulate inhalation | |
| 744. |
AIDS patients are susceptible to this respiratoty disease |
| A. | Pneumonia |
| B. | Fibrosis |
| C. | Emphysema |
| D. | Asthma |
| Answer» A. Pneumonia | |
| 745. |
The full from of Hb is |
| A. | Hydrogen bromide |
| B. | Henson bond |
| C. | Hydrogen bond |
| D. | Haemoglobin |
| Answer» D. Haemoglobin | |
| 746. |
H.Hb is |
| A. | H2b |
| B. | Heavy hydrogen bond |
| C. | Reduced bromide |
| D. | Haemoglobin acid |
| Answer» D. Haemoglobin acid | |
| 747. |
The enzyme carbonic anhydrase is of which type? |
| A. | Lyases |
| B. | reversible |
| C. | Unidirectional |
| D. | Isomerase. |
| Answer» B. reversible | |
| 748. |
What is role of buffer system in blood ? |
| A. | To maintain pH of blood plasma |
| B. | To maintain pH of blood |
| C. | To maintain pH of RBC |
| D. | To maintain pH of blood platelets |
| Answer» B. To maintain pH of blood | |
| 749. |
CO2 combines in human RBC with the which ion of haemoglobin |
| A. | -NH2 |
| B. | -OH- |
| C. | -H+ |
| D. | – COOH |
| Answer» A. -NH2 | |
| 750. |
On respitatory surface,KHCO3 formed in RBC reacts with |
| A. | H.HbO2 |
| B. | CI- |
| C. | H.Hb |
| D. | Hb |
| Answer» A. H.HbO2 | |
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