Mcq Subject: Physiology
Lesion in the medial lemniscus at the level of pons causes which of the following?
A. Pain and temperature loss in the same side
B. Pain and temperature loss in the opposite side
C. Loss of tactile and proprioception on the same side
D. Loss of tactile and proprioception on the oppposite side
View DescriptionArrow shift of the curve is not due to:
A. Increased hydrogen ions
B. Decreased carbon dioxide
C. Increased temperature
D. Increased BPG
View DescriptionThe primary active step for sodium reabsorption in the proximal tubule involves:
A. Sodium-glucose cotranspo across the luminal membrane
B. Sodium/hydrogen ion counteranspo across the luminal membrane
C. Sodium transpo the Na+-K+-ATPase at the basolateral membrane
D. Sodium-amino acid cotranspo across the luminal membrane
View DescriptionWhich of the following is true about measurement of blood pressure?
A. Bladder in the blood pressure cuff should cover more than 80% of the arm area
B. The person should be comfortably sitting and blood pressure cuff should be at a higher level than the heart
C. Caffeine intake induces decrease in blood pressure
D. Blood pressure increases during sleep
View DescriptionCyanosis does not occur in severe anaemia because
A. Hypoxia stimulates erythropoietin production
B. Oxygen carrying capacity of available haemoglobin is increased
C. Critical conc. Of Hb required to produce cyanosis is reduced
D. Oxygen haemoglobin curve shift to right
View DescriptionAlthough more than 400 blood groups have been identified, the ABO blood group system remains the most important in clinical medicine because. :
A. It was the first blood group system to be discovered.
B. It has four different blood groups A, B, AB, O(H).
C. ABO (H) antigens are present in most body tissues and fluids.
D. ABO (H) antibodies are invariably present in plasma when a person RBC lacks the corresponding antigen.
View DescriptionWhich of the following parts of brain contains dopaminergic neurons?
A. Locus ceruleus system
B. Cerebellum
C. Nigro striatal system
D. Midline raphe nucleus
View DescriptionPavlov&;s experiment on dogs shows
A. Conditional response
B. Unconditional response
C. Procedural memory
D. Familiarity
View DescriptionValve of Hasner is present at
A. Stensons duct
B. Common bile duct
C. Naso lacrimal duct
D. Maxillary Sinus
View DescriptionWhich of the following increases turbulence in blood flow:
A. When the diameter of the blood vessel increases.
B. When density decreases.
C. When resistance increases.
D. All of the above.
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