Medical MCQs

5099 MCQs  (Page 16 of 510)

Most importent compansatory mechanism in metabolic acidosis______________?
A. Hyperventilation
B. Increased nh3 excretion by kidneys
C. Increased urinary phosphates
D. Increased hco3 production
Which cell organelle contains DNA_____________?
A. Mitochondrion
B. Golgi body
C. Endoplasmic reticulum
D. Centriole
Golgi bodies function are______________?
A. Protein lipid synthesis
B. Protein synthesis
C. Sorting of glycoproteins
D. None of the above
Ribosomes are usually associated with______________?
A. Endoplasmic reticulum
B. Mitochondria
C. Nucleolus
D. Plasma membrane
Calcitonin is antagonist_______________?
A. Parathyroid hormone
B. Thyroxine
C. Triidothyronine
D. Serotonin
Rate limiting step in adrenaline synthesis is conversion of____________?
A. Tyrosine to dopa
B. Phenylalanine to tyrosine
C. Dopa to dopamine
D. Dopamine to nor epinephrine
Nor epinephrine is converted to epinephrine by______________?
A. Dopamine hydroxylase
B. Dopa decarboxylase
C. O-methylation
D. N-methylation
Bile contains______________?
A. cholic acid
B. chenodeoxycholic acid
C. deoxycholic acid
D. lithocholic acid
Bilirubin is produced from________________?
A. Haemoglobin
B. Myoglobin
C. Gall bladder
D. A & b