Week 3 Check Your Understanding Assignment

A  Release of vasodilatory mediators such as histamine into the circulation

B  Increased sympathetic nervous stimulation

C  Massive immune system activation

D  Loss of sympathetic activation of arteriolar smooth muscle

A  Is the sole function of aortic compliance

B  Occurs during passive elastic recoil of the aorta

C  Averages 70 mm of Hg

D  Occurs during ventricular contraction

A  Decreased hydrogen ion production

B  Metabolic alkalosis

C  Decreased oxygen utilization

D  Increased lactate production

A  Cardiogenic , Neurogenic

B  Septic, Neurogenic, Anaphylactic

C  Cardiogenic , Hypovolemic, Septic

D  Cardiogenic , Hypovolemic

A  Systolic pressure

B  Pulmonary arterial pressure

C  Left ventricular end-diastolic pressure

D  Diastolic pressure

A  Disorganized and irregular atrial waves are accompanied by an irregular ventricular rate

B  An atrial rate of 240 to 350 beats/min in a sawtooth pattern of atrial depolarization is seen

C  P waves occurs earlier than normal, preceded by a P wave with a normal QRS configuration

D  The P wave precedes, follows, or is buried in the QRS complex

A  Decreased perfusion to the liver

B  Decreased flow to the brain

C  Decreased perfusion to the kidney

D  Decreased perfusion to the lungs

A  Bradycardia is a common characteristic. First-degree blocks are rare.

B  Congenital heart defects are often the cause of the disorder. First-degree blocks are rare.

C  Bradycardia is a common characteristic. First-degree blocks are rare. The condition is monitored, but not actively managed.

D  An electrocardiogram is used to identify this conduction disorder. Congenital heart defects are often the cause of the disorder. The condition is monitored, but not actively managed.

A  Race, Diet, Chronic illness

B  Weight, Chronic illness

C  Race, Age, Diet, and Weight

D  Age, Diet, Chronic illness

A  Elevated serum levels of C-MB

B  Elevated T waves on an ECG

C  Elevated serum levels of cardiac troponin

D  Elevated serum levels of cardiac myogoblin

A  Aortic valve stenosis

B  Acute myocarditis

C  Mitral valve stenosis

D  Aortic insufficiency

A  Dyspnea

B  Paroxysmal nocturnal

C  Bradypnea

D  Cyanosis

A  Systemic vascular resistance (SVR) and pulse pressure

B  Mean arterial pressure (MAP) and systemic vascular resistance (SVR)

C  Pulse pressure and mean arterial pressure (MAP)

D  Stroke volume and heart rate

A  Hemorrhage

B  ventricular dysrhythmia

C  Thrombus formation

D  Coronary dilation

A  Left ventricle

B  Right ventricle

C  Left atria

D  Right atria

A  Preload

B  Stroke volume

C  Vascular resistance

D  Heart rate

A  Chest pain initiated by exercise. Chest pain aggravated by coughing.

B  ST-segment changes on the ECG. Elevated serum levels of troponin. Radiating chest pain

C  Chest pain initiated by exercise. Chest pain aggravated by coughing. Radiating chest pain

D  Elevated serum levels of troponin. Chest pain initiated by exercise . Chest pain aggravated by coughing.