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BIO 669 Exam 2 (2025 / 2026) Tested Questions with Revised Ans - NKU, Exams of Pathophysiology

Northern Kentucky University (NKU)Pathophysiology

BIO 669 Exam 2 (2025 / 2026) Tested Questions with Revised Ans - NKU• Bio 669 exam test bank 2025 pdf • Bio 669 exam test bank 2025 answer key • Bio 669 exam test bank 2025 answers • Bio 669 exam 2025 questions • Bio 669 exam 2025 answers • NKU BIO 669 quiz 2 • Human pathophysiology bio 669 nku quizlet • Human pathophysiology bio 669 nku answers pdf • Human pathophysiology bio 669 nku answers • Bio 669 exam 2 quizlet • Bio 669 exam 2 pdf • Bio 669 exam 2 questions • Bio 669 exam 2 answers • BIO 669 quiz 3 • Bio 669 exam 2 questions pdf • Bio 669 exam 2 questions and answers • NKU BIO 669 exam 2 • BIO 669 quiz 3 • BIO 669 quiz 1 • Bio 669 exam 1 quizlet • BIO 669 quiz 4 • BIO 669 quiz 6 • Bio 669 exam 3 quizlet • Bio 669 exam 3 answers • Bio 669 exam 3 answer key • Bio 669 exam 1 pdf • Bio 669 exam 1 answers pdf • Bio 669 exam 1 answers • Bio 669 exam 1 quizlet • Bio 669 exam 1 answer key • BIO 669 nku quiz 2 • NKU BIO 669 •

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BIO 669 Exam 2
Questions with Verified Answers
100% Guarantee Score Pass
1. 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 ventricular systole
Ans>> The atria are contracting
2. The resistance of movement of blood from the left ventricle to the aorta is
termed the:
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Partial preview of the text

Download BIO 669 Exam 2 (2025 / 2026) Tested Questions with Revised Ans - NKU and more Exams Pathophysiology in PDF only on Docsity!

BIO 669 Exam 2

Questions with Verified Answers

100% Guarantee Score Pass

  1. 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 ventricular systole Ans>> The atria are contracting

  1. The resistance of movement of blood from the left ventricle to the aorta is termed the:

a. Ejection fraction

b. Compliance

c. Preload

d. Afterload Ans>> Afterload

  1. Natriuretic peptides act by:

a. Stimulates secretion of Na+ (and thus decreases urine volume) from the kidneys

b. Stimulated the release of Na+ (thus increases urine volume) from the kidneys

c. Increases vascular smooth muscle contraction (vasoconstriction)

d. Stimulates increased heart rate, contractility, and cardiac output Ans>> Stimulate the release of Na+ (thus increasing urine volume) from the kidneys

  1. Progressive venous distension of the head and upper extremities resulting from growth of a cancerous tumor on the right mainstem bronchus is best described clinically by:

A. Deep vein thrombosis

B. Spinal shock

C. Superior vena cava syndrome

D. Carcinoid syndrome Ans>> Superior Vena Cava Syndrome

  1. The most common cause of aneurysm is:

A. External Hematoma

B. Atherosclerosis with hypertension

C. Genetics

D. Congestive heart failure Ans>> Atherosclerosis with hypertension

  1. An atherosclerotic area that has ruptured is termed a:

A. Fibrous plaque

B. Complicated plaque

C. Fatty streak

D. Aneurysm Ans>> Complicated plaque

  1. The PR Interval represents the time from:

A. The onset of atrial systole to the completion of atrial diastole

B. The onset of atrial systole to the onset of ventricular diastole

C. The onset of atrial systole to the onset of ventricular diastole

D. The onset of atrial systole to the onset of ventricular systole Ans>> The onset of atrial systole to the onset of ventricular systole

  1. Hypertensive crisis (malignant hypertension) is best defined as:

A. An advancing failure of systemic circulation as the heart weakens

B. Rapidly progressive hypertension with a diastolic pressure of 140 mmHg or more

C. A pulse pressure of greater than 60

D. Blood pressure readings consistently greater than 140/90 mmHg Ans>> Rapidly progressive hypertension with a diastolic pressure of 140 mmHg or more

  1. Intermittent claudication is:

A. Caused by coronary artery disease

B. A sign of peripheral artery disease

C. An attack of vasospasm brought on by the cold

D. A result of peripheral neuropathy Ans>> A sign of peripheral artery disease

  1. Thromboangiitis obliterans (Buergers disease) is an autoimmune condition that is:

a. A result of over activation of the intrinsic and extrinsic clotting system systemically

b. Characterized by attacks of vasospasm in the small arteries and arterioles of the fingers and toes

c. Strongly associated with smoking

d. Associated with janeway lesions and Oslers Nodes Ans>> Strongly associated with smoking

  1. Which of the following is not a systemic disease that is associated with Raynaud's Phenomenon?

a. Congestive heart failure

b. Collagen vascular diseases such as scleroderma

c. Pulmonary hypertension

d. Myxedema or smoking

d. Prostacyclins, which are diminished by NSAIDs, are vasoconstrictors. Ans>> Prostacyclins, which are diminished by NSAIDS, are vasoconstrictors

  1. Stroke volume:

A. Does not affect the cardiac index

B. Is equal to ESV - EDV

C. Does not vary much

D. None of the above are true Ans>> None of the above are true

  1. A T wave relates to and shortly precedes the closure of the v

A. Ventricular depolarization, AV

B. Ventricular depolarization, SL

C. Ventricular repolarization, AV

D. Ventricular repolarization, SL

E. None of the above Ans>> Ventricular repolarization, SL

  1. How much of the oxygen carried by hemoglobin in the blood is actually transferred to the myocardium?

A. 10-20%

B. 40-50%

C. 70-75%

D. 100% Ans>> 70-75%

  1. The key regulator determining if a muscle, such as cardiac muscle, con- tracts or not is the presence of:

A. Ca++

B. ATP

C. K+

D. Epinephrine

A. Obesity

B. Venous Stasis

C. Venous Endothelial damage

D. Hypercoagulable states Ans>> Obesity

  1. The decreased or instability to generate action potential due to hyperpo- larization or continued closure of inactivation gates is termed:

A. Rhythmicity

B. Quiescence

C. Refractory period

D. Afterload Ans>> Refractory period

  1. All of the following antihypertensive agents would be appropriate first line treatments EXCEPT:

a. Calcium channel blockers

b. Beta blockers

c. Ace inhibitors or ARBs

d. Diuretics such as Thiazide Ans>> Beta Blockers

  1. STEMI would most likely present with:

a. Inverted T waves and Q waves

b. Peaked T waves

c. Marked ST segment elevation

d. Absence of troponin I or T Ans>> Marked ST segment elevation

  1. What area of the myocardium is affected by STEMI?

A. Transformed fibroblasts

B. Cytokine secreting adipose cells

C. Macrophages that engulf oxidized LDL

D. Endothelial cells that produce the gas nitric oxide Ans>> Macrophages that engulf oxidized LDL

  1. The isovolumetric contraction phase of the cardiac life cycle occurs:

A. During atrial systole

B. When the AV valves are closed

C. When the SL valves are open

D. During diastole Ans>> When the AV valves are closed

  1. Choose the correct conduction pathway for a cardiac action potential:

A. SA node to AV node to bundle branches to othe Bundle of HIS to purkinje fibers

B. SA node to AV node to Purkinje fibers to bundle of HIS to bundle branches

C. SA node to bundle of HIS to AV node to bundle branches to purkinje fibers

D. SA node to AV node to bundle of HIS to bundle branches to purkinje fibers Ans>> SA node to AV node to bundle of HIS to bundle branches to purkinje fibers

  1. Which of the following vessels carries oxygenated blood?

A. Inferior vena cava

B. Superior vena cava

C. Pulmonary artery

D. Pulmonary Vein

E. Inferior vena cava and superior vena cava

A. An increase in cardiac contractility

B. An increase in speed of heart rate and electrical conduction through the heart

C. An increase in preload

D. Both an increase in contractility and heart rate / conduction speed Ans>> Both an increase in contractility and heart rate / conduction speed

  1. Myocardial infarction that shows an inverted T wave and ST segment depression is most likely a result of:

A. Non-STEMI (Non-ST elevation myocardial infarction)

B. STEMI (ST segment elevation myocardial infarction)

C. Transmural myocardial infarction

D. Myocardial stunning Ans>> Non-STEMI (Non-ST elevation myocardial infarction)

  1. The T wave is an electrical recording resulting from:

a. Ventricular depolarization

b. Ventricular repolarization

c. Atrial depolarization

d. Atrial repolarization Ans>> Ventricular repolarization

  1. As a result of the Starling effect, stroke volume should increase following an increase in:

a. Mean arterial pressure (MAP)

b. Heart rate

c. Sympathetic activity

d. Afterload