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Breathing And Exchange Of Gases

331 Questions Start Allen Test
All Exams Allen Errorless
Kerala PMT 2008; 12 Q51 Errorless Process of respiration MCQ
The amount of $O _ { 2 }$ transported in a dissolved state through plasma is approximately
A.
97%
B.
20-25%
C.
7%
D.
49%
E.
3%
CBSE PMT 2008 Q52 Errorless Self Evaluation Test MCQ
The haemoglobin of a human foetus
A.
Has only 2 protein subunits instead of 4
B.
Has a higher affinity for oxygen than that of an adult
C.
Has a lower affinity for oxygen than that of the adult
D.
Its affinity for oxygen is the same as that of an adult
DPMT 2007; AFMC 2009, 10; J & K CET 2010; GUJCET 2014 Q53 Errorless Pulmonary volumes and capacities MCQ
The amount of volume of air that can be inspired/expired normally is called
A.
Tidal volume
B.
Vital capacity
C.
Residual volume
D.
Normal volume
KCET 2007 Q54 Errorless Pulmonary volumes and capacities MCQ
Residual volume is
A.
Lesser than tidal volume
B.
Greater than inspiratory volume
C.
Greater than vital capacity
D.
Greater than tidal volume
MP PMT 2007 Q55 Errorless Process of respiration MCQ
Hb is a
A.
Reproductive pigment
B.
Respiratory pigment
C.
Carbohydrate
D.
Fat
DPMT 2007 Q56 Errorless Process of respiration MCQ
Chloride shift occurs in respond to
A.
$H ^ { + }$
B.
$K ^ { + }$
C.
$H C O _ { 3 } ^ { - }$
D.
$N a ^ { + }$
CBSE PMT 2007; MP PMT 2013 Q57 Errorless Disorders of respiration system MCQ
Increased asthmatic attacks in certain seasons are related to
A.
Hot and humid environment
B.
Eating fruits preserved in tin containers
C.
Inhalation of seasonal pollen
D.
Low temperature
GUJCET 2007 Q58 Errorless Disorders of respiration system MCQ
In which disease, due to flattening of tracheal vessels, alveoli are deprived of oxygen Or Name the pulmonary disease in which alveolar surface area involved in gas exchange is drastically reduced due to damage in the alveolar walls [AIPMT 2015]
A.
Bronchitis
B.
Asthma
C.
Pneumonia
D.
Emphysema
Kerala PMT 2007 Q59 Errorless Critical Thinking MCQ
Which of the following statements is not true
A.
The partial pressure of oxygen in deoxygenated blood is 40 mm Hg
B.
The partial pressure of oxygen in oxygenated blood is 95 mm Hg
C.
The partial pressure of oxygen in the alveolar air is 104 mm Hg
D.
The partial pressure of carbon dioxide in the alveolar air is 40 mm Hg
E.
The partial pressure of carbon dioxide in deoxygenated blood is 95 mm Hg
2007 Q60 Errorless Critical Thinking MCQ
Vital capacity of lung is or After forceful inspiration, the amount of air that can be breathed out by maximum forced expiration is equal to [Kerala PMT 2007; DPMT 2007; BHU 2012;
A.
$\mathrm { I R V } + \mathrm { E R V } + \mathrm { T V } + \mathrm { R V }$
B.
$\mathrm { I R V + E R V + T V - R V }$
C.
$\mathrm { I R V } + \mathrm { E R V } + \mathrm { T V }$
D.
$\mathrm { I R V } + \mathsf { E R V }$
AIEEE Pharmacy 2006 Q61 Errorless Respiratory organs MCQ
What is true about haemoglobin
A.
It is a dipeptide and present in red blood corpuscles in blood warm
B.
It is present in the dissolved state in blood plasma in earthworm
C.
It is a dipeptiede in mammals and localised in red blood corpuscles
D.
It is present in dissolved state in blood plasma in scorpions
KCET 2006 Q62 Errorless Pulmonary volumes and capacities MCQ
The volume of air present in the lungs after forceful expiration is called as
A.
Tidal volume
B.
Residual air
C.
Complementary air
D.
None
KCET 2006 Q63 Errorless Process of respiration MCQ
Identify the correct statement with reference to transport of respiratory gases by blood
A.
Haemoglobin is necessary for transport of carbon dioxide and carbonic anhydrase for transport of oxygen
B.
Haemoglobin is necessary for transport of oxygen and carbonic anhydrase for transport of carbon dioxide
C.
Only oxygen is transported by blood
D.
Only carbon dioxide is transported by blood
KCET 2006 Q64 Errorless Process of respiration MCQ
Maximum amount of oxygen is lost from the blood in the
A.
Capillaries surrounding the tissue cells
B.
Arteries of the body
C.
Capillaries surrounding the alveoli
D.
Left auricle of the heart
Bihar CECE 2006 Q65 Errorless Process of respiration MCQ
In Bhor's effect curve shift to right
A.
$P _ { 5 0 } ~ C O _ { 2 }$ decreases and $P _ { 5 0 } ~ O _ { 2 }$ increases
B.
$P _ { 5 0 } ~ C O _ { 2 }$ increases and $P _ { 5 0 } ~ O _ { 2 }$ decreases
C.
$P _ { 5 0 } ~ C O _ { 2 }$ increases and $P _ { 5 0 } ~ O _ { 2 }$ increases
D.
$P _ { 5 0 } ~ C O _ { 2 }$ increases and $P _ { 5 0 } ~ O _ { 2 }$ decreases and pH increases
MP PMT 2006 Q66 Errorless Control of breathing MCQ
Combination of haemoglobin with $O _ { 2 }$ in lungs can be promoted by
A.
Increasing $C O _ { 2 }$ concentration in blood
B.
Increasing $O _ { 2 }$ concentration in blood
C.
Decreasing $O _ { 2 }$ concentration in blood
D.
Introducing CO in blood
AFMC 2006 Q67 Errorless Control of breathing MCQ
Which of the following blood vessels in the circulatory system of frog has more oxygenated blood
A.
Pulmocutaneous artery
B.
Pulmocutaneous vein
C.
Pulmonary artery
D.
Precaval veins
CBSE PMT 2006 Q68 Errorless Disorders of respiration system MCQ
The 'blue baby' syndrome results from
A.
Excess of dissolved oxygen
B.
Excess of TDS (total dissolved solids)
C.
Excess of chloride
D.
Methaemoglobin
Kerala PMT 2006 Q69 Errorless Critical Thinking MCQ
Which of the following statements are true / false A. The blood transports $C O _ { 2 }$ comparatively easily because of its higher solubility B. Approximately 8.9% of $C O _ { 2 }$ is transported being dissolved in the plasma of blood C. The carbon dioxide produced by the tissues, diffuses passively into the blood stream and passes into red blood corpsucles and react with water to form $H _ { 2 } C O _ { 3 }$ D. The oxyhaemoglobin $( H b O _ { 2 } )$ of the erythrocytes is basic E. The chloride ions diffuse from plasma into the erythrocytes to maintain ionic balance
A.
A, C and E are true, B and D are false
B.
A, C and E are false, B and D are true
C.
A, B and D are true, C and E are false
D.
A, B and D are false, C and E are true
E.
A, B and C are true, D and E are false
J & K CET 2005 Q70 Errorless Respiratory organs MCQ
The diaphragm in rabbit is a
A.
Gap between the incisor and premolar teeth
B.
Membrane which surrounds and protects the brain
C.
Membrane which lies between the external auditory meatus and tympanic cavity of the ear
D.
Partition of muscular septum separating the thoracic cavity from abdominal cavity
Odisha JEE 2005 Q71 Errorless Respiratory organs MCQ
Lung ventilation movements are due to
A.
Costal muscles and diaphragm
B.
Costal muscles
C.
Diaphragm
D.
Wall of the lungs
Odisha JEE 2005 Q72 Errorless Pulmonary volumes and capacities MCQ
Capacity of human lung for air
A.
3000 ml
B.
1500 ml
C.
1000 ml
D.
500 ml
CPMT 2005 Q73 Errorless Process of respiration MCQ
Acquiring an oxygen debt is evidence that
A.
$O _ { 2 }$ cannot be stored in tissue
B.
Aerobic respiration is more complex than glycolysis
C.
Lactic acid can be converted into glycogen
D.
Anaerobic process are slower than aerobic processes
CPMT 2005 Q74 Errorless Process of respiration MCQ
In lungs there is definite exchange of ions between RBC and plasma. Removal of $C O _ { 2 }$ from blood involves
A.
Influx of CF ions into RBC
B.
Influx of $H C O _ { 3 }$ ions into RBC
C.
Efflux of Cl ions into RBC
D.
Efflux of $H C O _ { 3 } ^ { - }$ ions into RBC
RPMT 2005 Q75 Errorless Control of breathing MCQ
Step of respiration are controlled by
A.
Substrates
B.
Enzymes
C.
Hormone
D.
Bile juice