BIO 669 QUESTIONS AND ANSWERS LATEST UPDATE
(GRADED A+)
Which of the following conditions is the most immediately at risk for serious complications?
A. Unstable angina
B. Prinzmetal angina
C. STEMI
D. NSTEMI
C. STEMI
Thromboangiitis obliterans (Buerger disease) is an autoimmune condition that is
Strongly associated with smoking
Which of the following is not a systemic disease that is associated with Raynaud's Phenomenon?
A. Congestive Heart Failure
B. Collagen vascular disease such as scleroderma
C. Pulmonary Hypertension
D. Myxedema or Smoking
A. Congestive Heart Failure
Rheumatic fever and subsequent heart complications in 10% of individuals of left untreated arises
from:
Group A beta-hemolytic strep pharyngitis
Which of the following is NOT a primary factor in determining preload?
A. Venous return during diastole
B. End systolic volume
C. Total Peripheral (systemic) resistance
D. All of the above are factors
C. Total peripheral (systemic) resistance
Which of the following statements are incorrect?
A. The MAP is the average force of pushing blood through the systemic circuit
B. The pulse pressure is the difference between systolic and diastolic pressures.
C. Prostacyclins, which are diminished by NSAIDS, are vasoconstrictors
D. A decrease in aortic compliance increased its stiffness and can lead to increase in pulse pressure
C. Prostacyclins, which are diminished by NSAIDS, are vasoconstrictors
Which of the following is incorrect regarding the isometric contraction phase of the cardiac cycle?
, A. Blood does not flow through the heart at this time
B. The atria are contracting
C. The valves are closed
D. It occurs during ventricle systole
B. The atria are contracting
The resistance of movement of blood from the left ventricle to the aorta is termed the:
Afterload
Natriuretic peptides act by:
A. Stimulates the retention of Na+
B. Stimulates the release of Na+
C. Increased vasoconstriction
D. Stimulates increased heart rate
B. Stimulated the release of Na+ (thus increase urine volume) from the kidneys
The double layered serous membrane surrounding the heart that functions to minimize friction from
the movement is the:
Pericardium
Prinzmetal angina is
A transient ischemia of the myocardium that occurs unpredictably
Progressive venous distension of the head and upper extremities resulting from growth of a cancerous
tumor on the right main stem of the bronchus is best described clinically as
Superior vena cava syndrome
The most common cause of aneurysm id
Atherosclerosis with hypertension
An atherosclerosis area that has ruptured is termed
Complicated plaque
The PR interval represents the time from:
A. The onset of atrial systole to the onset of ventricular systole
B. The onset it atrial systole to the completion of atrial diastole
C. The onset of atrial systole to the onset of ventricle diastole
A. The onset of atrial systole to the onset of ventricular systole
The circumflex artery off the left coronary artery supplies blood to:
The left atrium and left ventricle
(GRADED A+)
Which of the following conditions is the most immediately at risk for serious complications?
A. Unstable angina
B. Prinzmetal angina
C. STEMI
D. NSTEMI
C. STEMI
Thromboangiitis obliterans (Buerger disease) is an autoimmune condition that is
Strongly associated with smoking
Which of the following is not a systemic disease that is associated with Raynaud's Phenomenon?
A. Congestive Heart Failure
B. Collagen vascular disease such as scleroderma
C. Pulmonary Hypertension
D. Myxedema or Smoking
A. Congestive Heart Failure
Rheumatic fever and subsequent heart complications in 10% of individuals of left untreated arises
from:
Group A beta-hemolytic strep pharyngitis
Which of the following is NOT a primary factor in determining preload?
A. Venous return during diastole
B. End systolic volume
C. Total Peripheral (systemic) resistance
D. All of the above are factors
C. Total peripheral (systemic) resistance
Which of the following statements are incorrect?
A. The MAP is the average force of pushing blood through the systemic circuit
B. The pulse pressure is the difference between systolic and diastolic pressures.
C. Prostacyclins, which are diminished by NSAIDS, are vasoconstrictors
D. A decrease in aortic compliance increased its stiffness and can lead to increase in pulse pressure
C. Prostacyclins, which are diminished by NSAIDS, are vasoconstrictors
Which of the following is incorrect regarding the isometric contraction phase of the cardiac cycle?
, A. Blood does not flow through the heart at this time
B. The atria are contracting
C. The valves are closed
D. It occurs during ventricle systole
B. The atria are contracting
The resistance of movement of blood from the left ventricle to the aorta is termed the:
Afterload
Natriuretic peptides act by:
A. Stimulates the retention of Na+
B. Stimulates the release of Na+
C. Increased vasoconstriction
D. Stimulates increased heart rate
B. Stimulated the release of Na+ (thus increase urine volume) from the kidneys
The double layered serous membrane surrounding the heart that functions to minimize friction from
the movement is the:
Pericardium
Prinzmetal angina is
A transient ischemia of the myocardium that occurs unpredictably
Progressive venous distension of the head and upper extremities resulting from growth of a cancerous
tumor on the right main stem of the bronchus is best described clinically as
Superior vena cava syndrome
The most common cause of aneurysm id
Atherosclerosis with hypertension
An atherosclerosis area that has ruptured is termed
Complicated plaque
The PR interval represents the time from:
A. The onset of atrial systole to the onset of ventricular systole
B. The onset it atrial systole to the completion of atrial diastole
C. The onset of atrial systole to the onset of ventricle diastole
A. The onset of atrial systole to the onset of ventricular systole
The circumflex artery off the left coronary artery supplies blood to:
The left atrium and left ventricle
