All these Physiology MCQs are specially framed to strengthen the conceptual understanding of different biology topics. Human Physiology MCQ with answers covers multiple concepts such as human digestion, nervous system, human reproduction, body fluids and circulation, breathing and exchange of gases, renal System, respiratory System, Git and Liver, endocrinology, locomotor and moment in human Sense Organs, Reflex Actions, Spinal Nerve, Physiology of Urine Formation, insulin physiology – and much more. All these topics are chosen from trusted and best reference books on physiology. These physiology MCQs with answers are also helpful for the preparation of various interviews, entrance examinations, other competitive examinations, and certifications for all Experienced, Freshers and Students. Also, check MCQs on Pharmacology here.

151. Which of the following does not stimulate alveolar hyperventilation ?

A. Hypoxia
B. Hypercapnia
C. Acidosis
D. Stretching of airways

152. Arterial PO2 is reduced in_____________?

A. Anemia
B. KCN poisoning
C. Pulmonary hypoventilation
D. CO poisoning

153. In which of the following diseases would you expect to find an increase in thickness of the respiratory membrane ?

A. Emphysema
B. Asthma
C. Pulmonary artery thrombosis
D. Skeletal abnormalities of the chest

154. Muscle of expiration____________?

A. Diaphragm
B. Internal intercostals
C. External intercostals
D. Rcti Abdominis

155. Oxygen dissociation cure is shifted to the right in all except_____________?

A. Fall in pH
B. Rise in temperature
C. Increase of 2, 3 3 DPG
D. HbF

156. In children, hypothyroidism causes_____________?

A. Acromegaly
B. Cretinism
C. Gigantism
D. Myxodedema

157. In conn’s disease, there is an excess of______________?

A. Adrenaline
B. Aldosterone
C. Cortisol
D. Noradrenaline

158. The oxygen tension of the mixed venous blood is______________?

A. 25 mm Hg
B. 40 mm Hg
C. 55 mm Hg
D. 70 mm Hg

159. In Haldane effect CO2 dissociation curve is shifted to_____________?

A. Left
B. Right
C. Does not shift
D. None of the above

160. The most common form of hypoxia is______________?

A. Hypoxic
B. Stagnant
C. Anemic
D. Histotoxic


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