Question 1

1. Which of the following is not part of the oxygen delivery equation?

Accepted Answer

FiO2

Answer

PaO2

Answer

SaO2

Answer

Hemoglobin

Question 2

2. Which of the following statements concerning the arterial blood pressure is correct?

Accepted Answer

Is 120/80 mmHg

Answer

Is the arithematic average of the systolic and diastolic pressures

Answer

Is due to the vascular resistance of the capillaries

Answer

Depends solely on the cardiac output

Question 3

3. Which of the following statements concerning the control of the vasculature is correct?

Accepted Answer

Parasympathetic vasodilator fibres innervate the blood vessels of the exocrine glands of the gastrointestinal tract

Answer

Autoregulation refers to the nervous control of the blood vessels

Answer

Reactive hyperaemia is due to the vasodilatation caused by the accumulation of metabolites during a period of exercise

Answer

The diameter of the arterioles is entirely regulated by the sympathetic nervous system

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