Shock and Reflexes Quiz

What is shock?

• Elevated blood pressure

• Inadequate tissue perfusion

• Increased cardiac output

• Excessive urination

Which type of shock is caused by myocardial infarction?

• Neurogenic shock

• Cardiogenic shock

• Septic shock

• Hypovolemic shock

Septic shock is primarily caused by?

• Allergic reaction

• Infection and endotoxins

• Blood loss

• Heart failure

Anaphylactic shock is due to?

• Myocardial infarction

• Severe infection

• Severe allergic reaction

• Dehydration

Bainbridge reflex is triggered by?

• Increased arterial pressure

• Increased venous return

• Decreased heart rate

• Increased vagal tone

Bainbridge reflex leads to?

• Decreased heart rate

• Increased heart rate

• No change in heart rate

• Vasodilation

Bezold-Jarisch reflex causes?

• Tachycardia and vasoconstriction

• Bradycardia and hypotension

• Increased cardiac output

• Bronchodilation

Pulmonary chemoreflex is triggered by?

• Hypercapnia

• Hypoxia in lungs

• Pulmonary embolism

• High systemic pressure

Pulmonary chemoreflex results in?

• Vasodilation

• Apnea and bradycardia

• Hyperventilation

• Diuresis

Which of the following is a special feature of coronary circulation?

• High oxygen extraction ratio

• Collateral supply is absent

• Blood flow increases during systole

• Low perfusion during rest