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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 major sign of hypoventilations_____________?
A Cyanosis
B Dyspnea
C Hypercapnia
D Hypoxia
Correct Answer: Hypercapnia
During inspiration when the diaphragm contracts, the intrapleural pressure becomes_____________?
A More negative
B Less negative
C Positive
D Equal to the intra alveolar pressure
Correct Answer: More negative
Tubuloglomerular feedback occurs in______________?
A ADH secretion in collecting duct
B Constant solute load on distal tubule
C Macula densa
D Balance between ascending and descending loop of henle
Correct Answer: Constant solute load on distal tubule
Most of the sodium is reabsorbed in_____________?
A PCT
B DCT
C Loop of henle
D Vasa recta
Correct Answer: PCT
The renal blood flow in (in ml/mt) is______________?
A 250
B 800
C 1260
D 1500
Correct Answer: 1260
Ammonia in the kidney tubules is excreted in exchange for______________?
A HCO3-
B Na+
C CL-
D PO4-2
Correct Answer: Na+
Inulin clearance closely resembles_____________?
A G.F.R
B Renal plasma flow
C Creatinine clearance
D P.A.H. clearance
Correct Answer: G.F.R
Which one of the following is not responsible for concentration of urine in the kidneys______________?
A Aldosterone
B Angiotensin II
C Vasopressin
D Epinephrine
Correct Answer: Epinephrine
Two substances that can probably be used to determine filtration fraction are_______________?
A Inulin and mannitol
B Urea and diodrast
C PAH and Phenol red
D Inulin and PAH
Correct Answer: Inulin and PAH
In renal glycosuria, the renal threshold for glucose is_______________?
A Low
B High
C Same
D Greatly increased
Correct Answer: Low
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