PATHOLOGY MCQ
ENDOCRINE SYSTEM
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Causes heart and breathing rate to increase.
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Causes heart and breathing rate to decrease.
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Has no effect on heart and breathing rate.
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None of the above
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Detailed explanation-1: -Your adrenal glands make the hormone adrenaline and send it into your bloodstream. Adrenaline, a hormone your adrenal glands produce, has a purpose. It helps you face dangerous situations by causing temporary changes in your body. Your heartbeats and breathing get faster as part of the “fight or flight” response.
Detailed explanation-2: -Adrenaline makes your heart beat faster and your lungs breathe more efficiently. It causes the blood vessels to send more blood to the brain and muscles, increases your blood pressure, makes your brain more alert, and raises sugar levels in the blood to give you energy. Your pupils grow larger and you sweat.
Detailed explanation-3: -respiration, the classical reduction of respiration by adrenaline is followed by an increase. respiration. adrenaline may cause a marked increase in respiration. If repeated, adrenaline may cause complete failureof respiration.
Detailed explanation-4: -Epinephrine counters anaphylactic shock by: narrowing the blood vessels to increase blood pressure. increasing heart rate to improve blood flow. relaxing the muscles and airways, allowing a person to breathe.