NEW
Font size
WorksheetsShock and Reflexes Quiz
Total questions: 20
Worksheet time: 10mins
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
Coronary blood flow is maximum during?
Systole
Diastole
Isovolumetric contraction
Isovolumetric relaxation
Which of the following determines coronary blood flow?
Aortic pressure
Left atrial pressure
Heart rate
Arterial pO2
Which factor increases coronary blood flow?
Hypoxia
Alkalosis
High pCO2
Hypercalcemia
What is the mechanism of angina pectoris?
Inflammation of pericardium
Increased coronary flow
Myocardial ischemia due to reduced O2 supply
Increased vagal tone
Myocardial infarction is primarily caused by?
Coronary artery vasodilation
Rupture of papillary muscle
Coronary artery occlusion
Increased afterload
Which is not a type of shock?
Hypovolemic shock
Obstructive shock
Cardiac shock
Febrile shock
Which reflex is involved in regulating heart rate during deep inspiration?
Carotid sinus reflex
Bainbridge reflex
Baroreceptor reflex
Cushing reflex
Which of the following causes obstructive shock?
Sepsis
Dehydration
Pulmonary embolism
Hemorrhage
Coronary circulation receives blood from?
Pulmonary artery
Aorta
Superior vena cava
Coronary sinus
The primary determinant of myocardial oxygen demand is?
Diastolic pressure
Systolic duration
Heart rate and contractility
Plasma volume
