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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

The most important role of cholesterol is_____________?
A It is a component of cell membrane
B It is a precursor of polyunsaturated fatty acids
C It stores up energy
D None of the above
Correct Answer: It is a component of cell membrane
A fatty acid that is not synthesized in man is_____________?
A Linoleic acid
B Oleic acid
C Palmitic acid
D Stearic acid
Correct Answer: Linoleic acid
Fatty acid oxidation occurs in______________?
A Cytoplasm
B Microsomes
C Mitochondria
D All of the above
Correct Answer: Mitochondria
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
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