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.Management Sciences
Category: Physiology Mcqs
Thyroxine causes all the following except______________?
A. Decreased cell metabolism
B. Increased oxygen consumption
C. Increased pulmonary ventilation
D. Increased basal metabolism
Biconcave shape of RBC helps by___________________?
A. Increasing flexibility
B. Increasing surface area
C. Carrying more Hemoglobin
D. Passing easily through smaller capillaries
The function common to neutrophils, monocytes & macrophages is______________?
A. Immune response
B. Phagocytosis
C. Liberation of histamine
D. Destruction of old erythrocytes
Hyper kinetic syndromes such as chorea and athetosis are usually associated with pathological changes in_______________?
A. Motor areas of cerebral cortex
B. Anterior hypothalamus
C. Pathways for recurrent collateral inhibition in the spinal cord
D. Basal ganglia complex
Stimulation of baroreceptors results in_______________?
A. Increase in heart rate
B. Decreased vagal discharge
C. Increased sympathetic discharge
D. Decrease in blood pressure
The cell junctions allowing exchange of cytoplasmic molecules between two cells are called________________?
A. Gap junctions
B. Tight junctions
C. Anchoring junctions
D. Focal junctions
Which of the following agents in not likely to be found in plasma ?
A. Thrombin
B. Fibrinogen
C. Prothrombin
D. Calcium ion
First change to occur after nerve cut is_______________?
A. Schwan cell mitosis
B. Axonal sprouting
C. Myelin sheath degeneration
D. Nuclear disintegration
Pharyngeal phase of deglutition_____________?
A. Is a reflex mechanism
B. Vocal cords are closed
C. Is a voluntary mechanism
D. A and B
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