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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

Renin is released from the kidney in all except________________?
A Sympathetic stimulation
B Decrease in the concentration of sodium ions in the proximal tubules
C Decrease in the concentration of sodium ions in the distal tubules
D Fall in the BP
Correct Answer: Decrease in the concentration of sodium ions in the proximal tubules
Test for estimating kidney function is_______________?
A Serum creatinine
B Serum phosphatase
C Inulin test
D Insulin test
Correct Answer: Inulin test
A decrease in the urine output is called_____________?
A Dysuria
B Nocturia
C Oliguria
D Plyuria
Correct Answer: Oliguria
The end plate potential is characterized by_____________?
A Propagation
B All or none law
C Depolarization
D Hyper polarization
Correct Answer: Depolarization
Potassium is maximum in_____________?
A Cell
B Plasma
C Interstitium
D Bone
Correct Answer: Cell
In excitable cells, repolarization is closely associated with, one of the following events_______________?
A Na effux
B Na influx
C K efflux
D K influx
Correct Answer: K efflux
All are features of skeletal muscle except______________?
A Cylindrical
B Transverse striation
C Centrally placed nuclei
D Multiple nuclei
Correct Answer: Centrally placed nuclei
Rigor mortis results after death is due to________________?
A Failure of acetylcholine to diffuse
B Failure of ATP supply
C Failure of break down of calcium bridges
D None of the above
Correct Answer: Failure of ATP supply
The skeletal muscle action potential______________?
A Is not essential for contraction to occur
B Has a prolonged plateau phase?
C Spreads in ward to all parts of the muscle via the t- tubule system
D Begins with an, in ward movement of K+ ins
Correct Answer: Spreads in ward to all parts of the muscle via the t- tubule system
Electromyography is used for________________?
A To study muscle activity
B Determine class II malocclusion
C Determine the centric relation
D Determine the centric occlusion
Correct Answer: To study muscle activity
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