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Medical Science Mcqs 5254 MCQs [All-Courses]

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

Fraction of CPK is an enzyme that is elevated in a myocardial infarct is____________________?

A MM fraction

B MB fraction

C BB fraction

D Both MM and BB fraction

Review Detailed Answer

Correct Answer: MB fraction

A material that speeds up a chemical reaction without chemically becoming involved is called_____________?

A A solvent

B A base

C A catalyst

D Thermoplastic

Review Detailed Answer

Correct Answer: A catalyst

Km of an enzyme is_____________?

A Dissociation constant

B The normal physiological substrate concentration

C Substrate concentration at half maximal velocity

D Numerically identical for all isozymes that catalyses a given reaction

Review Detailed Answer

Correct Answer: Substrate concentration at half maximal velocity

Acetyl Co-A acts as a substrate for all the enzymes except______________?

A HMG-Co A synthase

B Malic enzyme

C Malonyl CoA synthetase

D Fatty acid synthetase

Review Detailed Answer

Correct Answer: Malic enzyme

The enzyme that is specifically increased in obstructive jaundice is_____________?

A Glutamate oxaloacetate transaminase

B Glutamate pyruvate transaminase

C Alkaline phosphaase

D Acid phosphatase

Review Detailed Answer

Correct Answer: Alkaline phosphaase

Elevated levels of serum glutamic oxaloacetic transaminase in indicative of______________?

A Deficiency of glutamic acid

B Deficiency of oxaloacetic acid

C Liver disease

D All of the above

Review Detailed Answer

Correct Answer: Liver disease

Muscle glycogen, which cannot contribute to blood glucose due to the absence of which enzymes ?

A Phosphoglutamase

B Branching enzyme

C Debranching enzyme

D Glucose-6-phosphotase

Review Detailed Answer

Correct Answer: Glucose-6-phosphotase

Michaelis-Menten hypothesis states that_____________?

A Rate of enzymatic reaction is independent of substrate concentration

B Rate of non enzymatic reaction is proportional to substrate concentration

C Km is the enzyme substrate complex association constant

D Enzyme- substrate complex formation is essential in enzymatic reaction

Review Detailed Answer

Correct Answer: Enzyme- substrate complex formation is essential in enzymatic reaction

Coenzyme responsible for single carbon transfer is______________?

A Acetyl co enzyme A

B Biotin

C THF4

D Pyridoxine

Review Detailed Answer

Correct Answer: THF4

Enzyme + coenzyme constitutes_____________?

A Apoenzyme

B Proenzyme

C Protoenzyme

D Holoenzyme

Review Detailed Answer

Correct Answer: Holoenzyme

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Medical Science Mcqs 5254 MCQs [All-Courses]

All Topics 5254

All Topics 5254

Fraction of CPK is an enzyme that is elevated in a myocardial infarct is____________________?

A material that speeds up a chemical reaction without chemically becoming involved is called_____________?

Km of an enzyme is_____________?

Acetyl Co-A acts as a substrate for all the enzymes except______________?

The enzyme that is specifically increased in obstructive jaundice is_____________?

Elevated levels of serum glutamic oxaloacetic transaminase in indicative of______________?

Muscle glycogen, which cannot contribute to blood glucose due to the absence of which enzymes ?

Michaelis-Menten hypothesis states that_____________?

Coenzyme responsible for single carbon transfer is______________?

Enzyme + coenzyme constitutes_____________?