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