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Medical Science Mcqs 5254 MCQs [All-Courses]

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Medical Science is the study of human health, diseases, prevention, and treatment, focusing on diagnosis, patient care, and medical research to improve healthcare outcomes.

All Topics  5254

True about G protein couple receptors is _________________ ?
A G proteins bind to hormones on the cell surface
B All the three subunits alpha, beta and gamma should bind each other for G protein to act
C G Proteins act as inhibitory and excitatory because of difference in alpha subunit
D G protein is bound to GTP in resting state
Correct Answer: G Proteins act as inhibitory and excitatory because of difference in alpha subunit
Non polar lipid act as______________?
A Electrical insulators
B Irons
C Non electrical insulators
D Electrolytes
Correct Answer: Electrical insulators
Iron is present in all, EXCEPT______________?
A Myoglobin
B Cytochrome
C Catalase
D Pyruvate kinase
Correct Answer: Pyruvate kinase
Which is the poorest source of calcium among the following______________?
A Rice
B Human milk
C Egg yolk
D Cow’s milk
Correct Answer: Rice
Transport form of iron is______________?
A Transferrin
B Ferritin
C Apoferritin
D Lactoferrin
Correct Answer: Transferrin
Which of the following is the best site of absorption of calcium ?
A Proximal segment of small intestine
B Middle segment of small intestine
C Ascending colon
D Ileum
Correct Answer: Proximal segment of small intestine
During phagocytosis, the metabolic process called respiratory burst involves the activation of_____________?
A Oxidase
B Hydrolase
C Peroxidase
D Dehydrogenase
Correct Answer: Oxidase
The transmembrane adhesive molecules present in hemi desmosomes which specifically binds to basal lamina glycoprotein laminin are______________?
A Integrin a6-B4
B The catenins desmoplakin
C cadherins desmoglein
D a and B catenin
Correct Answer: Integrin a6-B4
Under metabolic conditions associated with a high rate of fatty acid oxidation liver produces________________?
A Glutamate
B Acetoacetate
C Cholesterol
D Glycine
Correct Answer: Acetoacetate
The fluid mosaic model of membrane structure was proposed by_______________?
A Watson and Crick
B Edwarg Angle
C G.V Black
D Singer and Nicolson
Correct Answer: Singer and Nicolson
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