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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 intrapleural pressure at the end of deep inspiration is ______________?
A -4 mm Hg
B +4 mm Hg
C -18 mm Hg
D + mm Hg
Correct Answer: -4 mm Hg
Hypoxia is characterized by ___________?
A Low arterial PO2
B Intense chemoreceptor response
C Favorable response to 100% oxygen
D All of the above
Correct Answer: All of the above
Alveolar O2 tension is______________?
A Increased by hyperventilation
B Decreased by hyperventilation
C Similar to venous O2 tension
D Not affected by respiratory depression
Correct Answer: Increased by hyperventilation
Surfactant is secreted by_____________?
A Pnemocyte I
B Pnemocyte II
C Goblet cells
D Pulmonary vessels
Correct Answer: Pnemocyte I
Which of the following statements about the action of the somatomedin is true ?
A They inhibit protein synthesis
B They antagonize the effect of insulin
C They promote growth of bone and cartilage
D They mediated the local effects of Somatostatin
Correct Answer: They promote growth of bone and cartilage
Hormone released during increased stress is_____________?
A Cortisol
B Thyroxine
C Growth hormone
D Somatostatin
Correct Answer: Cortisol
Features of hypothyroidism does not include______________?
A Obseity
B Hypertension
C High TSH levels
D Increased risk of infections
Correct Answer: Increased risk of infections
The primary site of action of antidiuretic hormone is on the_______________?
A Distal tubules and collecting ducts in the kidney
B Afferent arterioles of the glomeruli
C Thirst center in the hypothalamus
D Osmoreceptors in the hypothalamus
Correct Answer: Distal tubules and collecting ducts in the kidney
The hormone , which stimulates uterus contraction and lets down milk, is_____________?
A Progesterone
B Prolactin
C Prostaglandin
D Oxytocin
Correct Answer: Oxytocin
The intrinsic factor for vitamins B12 absorption is produced in the______________?
A Liver
B Stomach
C Pancreas
D Duodenum
Correct Answer: Stomach
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