What Changes Would Be Expected in the Ventilation-Perfusion Ratio in the Presence

question 1

Multiple Choice

What changes would be expected in the ventilation-perfusion ratio in the presence of excessive blood loss?

• A) The ventilation-perfusion ratio initially decreases will increase then will decrease dramatically.
• B) The ventilation-perfusion ratio will increase.
• C) The ventilation-perfusion ratio will decrease.
• D) The ventilation-perfusion ratio will remain constant.

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Definitions:

Adrenal Gland

An endocrine gland that produces various hormones including adrenaline and steroids aldosterone and cortisol.

Calcitonin

A hormone produced by the thyroid gland that lowers blood calcium levels by promoting calcium deposit in the bones.

Glucagon

A substance created by the pancreas that increases glucose levels in the blood by encouraging the conversion of glycogen into glucose in the liver.

Glucose Levels

The concentration of glucose present in the blood, an important indicator of metabolic health.