Pathophysiology 370 - Pathophysiology » Fall 2022 » Week 3 Check Your Understanding Assignment
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Question #1
Which clinical manifestation differentiates myocardial infarction (MI) from angina pectoris?
A.
ST-segment changes on the ECG. Elevated serum levels of troponin. Radiating chest pain
B.
Elevated serum levels of troponin. Chest pain initiated by exercise . Chest pain aggravated by coughing.
C.
Chest pain initiated by exercise. Chest pain aggravated by coughing. Radiating chest pain
D.
Chest pain initiated by exercise. Chest pain aggravated by coughing.
Question #2
Which is a major determinant of diastolic blood pressure?
A.
Preload
B.
Vascular resistance
C.
Heart rate
D.
Stroke volume
Question #3
In a patient with mitral stenosis, cardiac catheterization findings would indicate increased pressure in the
A.
Left atria
B.
Right atria
C.
Left ventricle
D.
Right ventricle
Question #4
Atherosclerosis predisposes to a number of processes that are factors in myocardial ischemia. These processes include
A.
Hemorrhage
B.
Thrombus formation
C.
ventricular dysrhythmia
D.
Coronary dilation
Question #5
Cardiac output is the product of both
A.
Pulse pressure and mean arterial pressure (MAP)
B.
Systemic vascular resistance (SVR) and pulse pressure
C.
Stroke volume and heart rate
D.
Mean arterial pressure (MAP) and systemic vascular resistance (SVR)
Question #6
A patient with heart failure reports awakening intermittently with shortness of breath. Which terms appropriately describes this clinical manifestation?
A.
Dyspnea
B.
Paroxysmal nocturnal
C.
Bradypnea
D.
Cyanosis
Question #7
Which condition may result in chronic pulmonary hypertension, right ventricular hypertrophy, and right-sided heart failure?
A.
Aortic valve stenosis
B.
Mitral valve stenosis
C.
Aortic insufficiency
D.
Acute myocarditis
Question #8
What is the marker of choice for detecting a myocardial infarction?
A.
Elevated serum levels of cardiac myogoblin
B.
Elevated serum levels of C-MB
C.
Elevated serum levels of cardiac troponin
D.
Elevated T waves on an ECG
Question #9
Risk factors for the development of high blood pressure are which of the following?
A.
Race, Diet, Chronic illness
B.
Weight, Chronic illness
C.
Age, Diet, Chronic illness
D.
Race, Age, Diet, and Weight
Question #10
The nurse includes what information when educating a client concerning a first-degree heart block?
A.
Bradycardia is a common characteristic. First-degree blocks are rare.
B.
Bradycardia is a common characteristic. First-degree blocks are rare. The condition is monitored, but not actively managed.
C.
Congenital heart defects are often the cause of the disorder. First-degree blocks are rare.
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.
Question #11
The renin-angiotensin system (RAS) alters blood pressure in response to
A.
Decreased perfusion to the lungs
B.
Decreased perfusion to the kidney
C.
Decreased flow to the brain
D.
Decreased perfusion to the liver
Question #12
Atrial fibrillation is best described as when
A.
An atrial rate of 240 to 350 beats/min in a sawtooth pattern of atrial depolarization is seen
B.
Disorganized and irregular atrial waves are accompanied by an irregular ventricular rate
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
Question #13
Systemic vascular resistance (SVR) can be indirectly estimated with the use of which blood pressure measurement?
A.
Systolic pressure
B.
Pulmonary arterial pressure
C.
Left ventricular end-diastolic pressure
D.
Diastolic pressure
Question #14
Which type of shock is characterized by generalized vasodilation and peripheral pooling of blood?
A.
Cardiogenic , Hypovolemic, Septic
B.
Cardiogenic , Hypovolemic
C.
Septic, Neurogenic, Anaphylactic
D.
Cardiogenic , Neurogenic
Question #15
The shift to anaerobic metabolism in shock results in
A.
Decreased hydrogen ion production
B.
Decreased oxygen utilization
C.
Metabolic alkalosis
D.
Increased lactate production
Question #16
Which best defines systolic blood pressure?
A.
Occurs during passive elastic recoil of the aorta
B.
Is the sole function of aortic compliance
C.
Occurs during ventricular contraction
D.
Averages 70 mm of Hg
Question #17
Which describes a pathologic manifestation of neurogenic shock?
A.
Massive immune system activation
B.
Increased sympathetic nervous stimulation
C.
Release of vasodilatory mediators such as histamine into the circulation
D.
Loss of sympathetic activation of arteriolar smooth muscle
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