Top 150+ Solved Breathing and Exchange of gases MCQ Questions Answer

From 61 to 75 of 122

Q. CO2 from RBC enters blood plasma in the form of

a. H2CO3

b. HCO3–

c. KHCO3

d. NaHCO3

  • b. HCO3–

Q. The human ribs

a. Are accessory respiratory organs

b. Do not help in breathing

c. Are main respiratory organs

d. Are not respiratory organs

  • d. Are not respiratory organs

Q. Respiration rate is the lowest during.

a. Running

b. Playing

c. Eating

d. Sleeping

  • d. Sleeping

Q. 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

  • d. Chloride shift

Q. Oxygen carrying capacity of blood is (CPMT.1990)

a. 20%

b. 30%

c. 40%

d. 50%

  • a. 20%

Q. 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

  • c. Medulla oblongata

Q. 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

  • b. Move to right

Q. Chloride shift is required for transport of (CPMT.1990)

a. Nitrogen

b. Oxygen

c. Carbon dioxide

d. Carbon dixide and oxygen

  • c. Carbon dioxide

Q. 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

  • c. Tidal volume

Q. Oxygen haemoglobin dissociation curve will shift to right on decrease of (AMU.1992)

a. Acidity

b. Carbon dioxide concentration

c. Temperature

d. pH

  • d. pH

Q. 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

  • c. Envelops the lungs

Q. In expiration, diaphragm becomes (C.P.M.T.1993)

a. Flattened

b. Relaxed

c. Straightened

d. Arched

  • b. Relaxed

Q. 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.

  • a. Plasma and erythrocytcs

Q. 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

  • b. Medulla oblongata

Q. 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.

  • b. Pleura is double covering of kindey
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