Practice Test


1) All living animals require ____________to perform different activies.


2) Energy is produced in the body of animal during the process of______


3) Respiration is a ________ process.


4) During respiration organic compounds are _______ to liberate chemical energy.


5) During respiration energy is released in a step-wise process because


6) Biologocally usable form of energy is called


7) ATP is called biologically usable form of energy because


8) Hydrolysis of ATP converts it into


9) Energy is released due to the


10) Respiration involves


11) Blood transports gases from


12) To produce energy, food is oxidized by


13) Nostrils are


14) Nasal chambers are


15) Nasal chamber is divided into two parts by


16) The anterior most part of nasal chamber is


17) The lining of nasal cavity is


18) The part of nasal chamber that traps dust praticles is


19) The part of nasal chamber that is richly supplied with blood capillaries is


20) The part of nasal chamber that warms air and makes air moist is


21) The posterior most part of nasal chamber is


22) Respiratory part of nasal chamber helps in


23) Length of pharynx is


24) The upper part of pharynx is


25) The lower part of pharynx is


26) Tonsils are present in


27) Tonsils are primarily made up of


28) Tonsils help is


29) The air from pharynx enters larynx through the


30) Which is a common passage for swallowing food and breathing?


31) The stucture present in pharynx that kills bacteria trapped in mucous is


32) Adam's apple is the name given to


33) The sound producing organ of the respiratory system is


34) In males, larynx


35) Vocal cords are


36) The vertical septum located in nasal cavities is made up of


37) Which of these contains vocal cords?


38) The respiratory passage is protected by


39) Though digestive and respiratory passage join at some place, there is no entry of food into the the respiratory passage. This is due to the presence of


40) The human trachea is


41) The human trachea is


42) The human trachea lies _________oesophagus.


43) The wall of human trachea is made up of


44) Trachea is supported by _______ shaped cartilage.


45) Trachea is supported by _______ number of 'C' shaped cartilages.


46) Main function of the 'c' shaped cartilages of trachea is


47) The anterior end of trachea is enlarged into a chamber called


48) The trachea is lined by


49) By ciliary movement in the trachea, the dust particles are swept towards larynx and finally enters


50) Trachea is divided at its


51) Trachea is divided


52) Trachea bifurcates to form


53) How many bronchi are there in the respiratory tract?


54) Terminal bronchioles arise from


55) Bronchioles contain


56) In the tertiary brochioles the covering does not have


57) The stuctural and functional unit of pulmonary respiration is


58) Respiratory bronchiole gives rise to


59) Cartilage is absent in


60) In man chief respiratory organs are


61) Which of the following describe a correct order of structure in the respiratory pathway?


62) Lungs are located in


63) Lungs are ______ organs.


64) Lung is enclosed in


65) Covering of lungs is called


66) Alveoli contains


67) Each alveolar sac contains ____ alveoli.


68) Lungs are internally lined by


69) The alveolar wall is made up of


70) Visceral pleura is made up of


71) Alveoli are supplied by a


72) Thickness and diameter of alveoli are


73) Each lobule of lung has


74) Outer pleural layer is


75) The space between visceral and parietal pleural layer is known as


76) Which of the following is the function of pleural fluid?


77) Inspiratory air in lungs ultimately reaches


78) Diaphragm is present between


79) Lungs are protected laterally by_______,ventrally by ________, and dorsally by__________.


80) Cardiac notch occurs in


81) Right lung is


82) Left lung is


83) Right lung has_______ lobes and_______ fissures.


84) The medial surface of each lung has a triangular depression, known as


85) The exchange of gases occur in the


86) The term respiration includes


87) The process that speeds up the rate of gasesous exchange is


88) The terms breathing and respiration are


89) The CORRECT statement is:


90) The process of breathing includes


91) During inspiration,


92) During breathing,


93) Inspiration is


94) Which of the following does not happen during inspiration?


95) The muscles involved in breathing mechanism along with diaphragm muscles are


96) Contraction of inter-costal muscles causes


97) Relaxation of inter-costal muscles causes


98) During inspiration,_______ becomes flat.


99) Breathing is controlled by


100) During inspiration, the inter-costal muscles


101) During inspiration, the lower part of sternum is


102) During inspiration, the volumn of thoracic cavity


103) Which of the following does not belong to the conducting portion of the respiratory system?


104) During expiration,


105) A dome shaped diaphragm is seen during


106) The pressure on the lungs increases during


107) The pressure on the lungs decrease during


108) Lungs expand and their volumn increases during


109) The lungs are compressed during


110) A respiratory cycle is


111) Which of the following helps in breathing?


112) Respiratory processes which take place at the lung are included under


113) Respiratoy processes which take place at the tissue level are included under


114) Food is oxidised during which type of respiration?


115) Respiratory processes which lead to final oxidation of food are included under


116) External respiration is a ________ process and internal respiration is a ________ process.


117) The concentration of of oxygen in inspired air _____ the concentretion of oxygen in alveolar boold.


118) The exchange of gases between blood and cell is called


119) ________ is a respiratory pigment.


120) Absorbed oxygen combines with heamoglobin of RBCs forming


121) Most oxygen in the blood is transported


122) Carbon dioxide from the blood is released with the help of


123) Cellular respiration occurs in


124) Cellular respiration takes place in


125) The product/s of cellular respiration is/are


126) oxidative phosphorylation takes place in


127) The energy currency of a cell is


128) Tidal volume is


129) Inspiratory reserve volume is the


130) Expiratory reserve volumne is the


131) Expiratory reserve volumn is about


132) The volume of air taken in and given out during effortless breathing is called


133) Inspiration reserve volume is the


134) The total volume of air expired after maximum inspiration is called


135) The total volume of air left behind in the lungs and respiratory passage after forced expiration is


136) The normal residual volume is


137) In CO poisoning, there is


138) CO poisoning occurs in


139) Asphyxia(choking) occurs due to


140) Asthma is


141) Asthma is associated with


142) During an attack of asthma


143) An attack of asthma, occurs due to the


144) During an attack of asthma, there is


145) During an attack of asthma, the lungs are


146) During an attack of asthma, there is


147) During an attack of asthma, there is ________ of lungs.


148) During an attack of asthma, there are mucus plugs in the bronchi. This is


149) An attack of asthma can be precipitated by


150) Pharyngitis and laryngitis are caused by


151) Laryngitis is more common in


152) A feeling of rawness in the throat and a husky voice is a characteristics of


153) Vocal misuse or overuse are the common causes for


154) The disease commonly associated with common cold is


155) Cough of an irritating type and stridor are sympotoms of


156) The condition of hypersensitivity to foreign proteins which leads to acute inflammation of nasal mucosa causes


157) Hay fever is a type of


158) Pollen,mites ,animal dander may lead to


159) Acute condition of __________ is rhinorrhoea.


160) Atopic hypersensitivity is


161) Infection of alveoli is found in


162) Eczema in infants is a form of


163) Common causative organism of pneumonia is


164) Pneumonia occurs when


165) Pneumonia occurs when


166) Coughing can be impaired due to


167) Ciliary epithelium of respiratory tract is destroyed by


168) Depressed macrophage acivity occurs due to


169) The associated causes of pneumonia includes all except


170) Lobar pneumonia is caused due to


171) Pneumonia due to Mycoplasma is more common in


172) Pneumonia occurs when


173) Pneumonia is caused by


174) To cause disease, the inhalant practicles should be


175) Inhalant practicles can cause disease when


176) _______is caused by long teem exposure to dust containing silicon compounds.


177) Weorkers in granite, slate and sandstone industries may suffer from


178) Occupational lung disease caused by long term glass and pottery work is


179) Occupatonal lung disease caused by working in quarrying and stone masonry is


180) In the development of silicosis,inflammatory reaction occurs


181) Last stage of occupational lung diseases show


182) Silicosis predispose the development of


183) __________is caused by inhaling asbstos fibers.


184) Asbestosis usually develops after


185) _______asbestos is associated with the most serious asbestosis.


186) Nasal chember is


187) The part of nasal chamber that detects smell is


188) Larynx


189) Human lung has about


190) The total surface area covered by alveoli is ______ times that of skin.


191) Expiration is a/an ________ process.


192) Respiratory rate in man is


193) an attack of asthma which may last for a few minutes to a few hours is called


194) Inflammation of pharynx is called


195) The commonest cause of infection of palatine tonsils and walls of pharynx is


196) Severe laryngitis leads to


197) Pneumonia occurs in a cancer patient on medicines, as cancer medicines are


198) Agents which causes tonsilitis are


199) Occupational lung disease caused by inhaling air during sand blasting is


200) In carbon monoxide poisoning, tissues, suffer from deficiency of


201) Bronchi are supported by


202) What is the another name for windpipe?


203) Tobacco smoking causes


204) During breathing_______is taken in the body.


205) Lungs release


206) Which of the following is not the function of nasal passage?


207) Total area covered by alveoli is about


208) Select the correct sequence of event for the transport of respiratory gases from the following


209) Haemoglobin has the greatest affinity for


210) In tissue respiration, the chemicals evolved are


211) An attack of asthma can be precipitated by


212) Respiration is a process of gaseous exchange where________ is taken in and _______ is released.