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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

Calcitonin is antagonist_______________?
A Parathyroid hormone
B Thyroxine
C Triidothyronine
D Serotonin
Correct Answer: Parathyroid hormone
Ribosomes are usually associated with______________?
A Endoplasmic reticulum
B Mitochondria
C Nucleolus
D Plasma membrane
Correct Answer: Endoplasmic reticulum
Golgi bodies function are______________?
A Protein lipid synthesis
B Protein synthesis
C Sorting of glycoproteins
D None of the above
Correct Answer: Sorting of glycoproteins
Which cell organelle contains DNA_____________?
A Mitochondrion
B Golgi body
C Endoplasmic reticulum
D Centriole
Correct Answer: Mitochondrion
Most importent compansatory mechanism in metabolic acidosis______________?
A Hyperventilation
B Increased NH3 excretion by kidneys
C Increased urinary phosphates
D Increased HCO3 Production
Correct Answer: Increased NH3 excretion by kidneys
To keep blood PH at 7.4 the HCO3 : H2CO3 ratio should be_____________?
A 20 : 1
B 30 : 1
C 15 : 1
D 1 : 1
Correct Answer: 20 : 1
Normal blood PH is______________?
A 6.8 – 7.0
B 7.0 – 7.12
C 7.38 – 7.4
D 7.7 – 8.0
Correct Answer: 7.38 – 7.4
Which of the following about biological membrane is true ?
A Lipid moiety is amphipathic
B Rigid assembly of protein, lipid and carbohydrate
C Symmertrical bi leaflet structures
D Lipid and protein moiety are held by covalent interactions
Correct Answer: Lipid moiety is amphipathic
In Cytochrome p450, P stands for____________?
A Structural proteins
B Substrate protiens
C Pigment
D Polymer
Correct Answer: Pigment
Which of the following is false about starvation ketoacidosis ?
A Metabolic acidosis
B Smell of acetone in breath
C Benedict’s test +ve
D Rothera’s test is +ve
Correct Answer: Benedict’s test +ve
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