BIOLOGY

Question 1. 1.

When the semilunar valves are open, is the following statement true or false?

The tricuspid and bicuspid valves are open.

(Points : 1)

TRUE        FALSE

Question 2. 2.

When the semilunar valves are open, is the following statement true or false?

The atria contract.

(Points : 1)

TRUE        FALSE

Question 3. 3.

When the semilunar vlaves of the heart are open, the following statement is true or false?

The blood enters the aorta.

(Points : 1)

TRUE        FALSE

Question 4. 4.

When the semilunar valves are open, the following statement is true or false?

The blood enters the pulmonary arteries.

(Points : 1)

TRUE        FALSE

Question 5. 5.

When the semilunar valves are open, the following statement is true or false?

The ventricles are in systole.

(Points : 1)

TRUE        FALSE

Question 6. 6.

When the semilunar valves are open, the following statement is true or false?

The ventricles are in diastole.

(Points : 1)

TRUE        FALSE

Question 7. 7. Which of the following contribute(s) to venous return (blood returning to the heart)? (Points : 1)

A. breathing or diaphragm action        B. one way valves in the veins        C. contraction of skeletal muscles        D. B and C only        E. A, B, and C

Question 8. 8. The superior vena cava brings what blood to the heart? (Points : 1)

A. Unoxygenated blood from the lower part of the body.        B. Oxygenated blood from the upper part of the body.        C. Oxygenated blood from the lower part of the body.        D. Unoxygenated blood from the upper part of the body.

Question 9. 9. Blood supply to the heart’s myocardium is directly provided by the _____ artery(ies). (Points : 1)

A. aorta        B. coronary        C. jugular        D. pulmonary

Question 10. 10. The mitral valve is located between … (Points : 1)

A. left atrium and left ventricle        B. right atrium and right ventricle        C. left ventricle and body        D. right ventricle and lungs

Question 11. 11. Specialized cells of the right atrium that act as the heart’s pacemaker are called the: (Points : 1)

a. Bundle of His        B. SA node        C. Purkinje fibers        D. AV node

Question 12. 12. The inner lining of the heart is called the: (Points : 1)

A. endocardium        B. myocardium        C. pericardium        D. tunicacardium

Question 13. 13. A heart rate of 100 or more beats per minute (or faster than normal) is called: (Points : 1)

A. arrhythmia        B. hypertension        C. bradycardia        D. tachycardia

Question 14. 14.

“Lupp” or S1 heart sound is due to:

(Points : 1)

A. closure of the bicuspid and tricuspid valves        B. contraction of the ventricles        C. relaxation of the ventricles        D. closure of the pulmonary and aorta semilunar valves        E. conraction of the atria

Question 15. 15. A streptococcal infection may cause this: (Points : 1)

A. murmurs        B. rheumatic heart disease        C. myocardial infaction        D. fibrillation        E. cerebral vascular accident (CVA)

Question 16. 16. The Tunica Externa or Adventitia is the _______ layer of the blood vessel. (Points : 1)

A. inner        B. middle        C. outer        D. only

Question 17. 17.

Use the following scenario for the next five questions (17 -21). John has been in a car accident and needs a blood transfusion; Sally wants to donate blood. John has type O+ blood and Sally has type A+ blood.

Can Sally donate blood to John?

(Points : 1)

TRUE        FALSE

Question 18. 18. John’s blood has __________ in its plasma. (Points : 1)

A. A and B antibodies        B. A antibodies        C. B antibodies        D. O antibodies

Question 19. 19. Sally’s blood has ____________ on her RBCs. (Points : 1)

A. A antibodies        B. A antigens        C. B antigens        D. O antibodies

Question 20. 20. Let’s change the scenario. If John donated blood to Sally, would Sally’s blood coagulate?” (Points : 1)

TRUE        FALSE

Question 21. 21. Do John and Sally have Rh antigens on their RBCs? (Points : 1)

TRUE        FALSE

Question 22. 22. Non-nucleated cells which transport oxygen from lungs to tissues and carbon dioxide from tissues to lungs. (Points : 1)

A. Red blood cells (erythrocytes)        B. White blood cells (leukocytes)        C. Platelets (thrombocytes)        D. Neutrophils

Question 23. 23. Granular leukocyte which phagocytizes bacteria. (Points : 1)

A. Platelet        B. Basophil        C. Neutrophil        D. Eosinophil

Question 24. 24. Cell type comprised of B cells and T cells. (Points : 1)

A. basophil        B. lymphocyte        C. white blood cell        D. Monocyte

Question 25. 25. Granular leukocyte which phagocytizes and increases in number during injury causing inflammation. (Points : 1)

A. basophil        B. eosinophil        C. lymphocyte        D. monocyte

Question 26. 26. Component of blood which contains protein, nutrients, electrolytes, gases, waste products, and water. (Points : 1)

A. platelet        B. Rh antigen        C. plasma        D. cytoplasm

Question 27. 27.

This vessel is located medial to the bicipital area of the elbow.

(Points : 1)

A. brachial artery        B. popliteal artery        C. axillary artery        D. femoral artery

Question 28. 28. The popliteal artery: (Points : 1)

A. is found in the groin area.        B. is found behind the knee.        C. is found in the anterior aspect of the wrist on the thumb side.        D. is just left to the umbilicus.

Question 29. 29.

Located on the anterior side of the wrist on the little finger side.

(Points : 1)

A. radial artery        B. radial nerve        C. brachial artery        D. ulnar artery

Question 30. 30.

Hypertension

(Points : 1)

A. is low blood pressure.        B. is an infection in the blood.        C. is characterized by a consistent blood pressure of 140/90 or higher.        D. is where the lack of oxygen causes a bluish skin tint.

Question 31. 31. Small vessels which have lots of elastic layers for vasoconstriction and control blood flow between capillaries and arteries are called: (Points : 1)

A. venules        B. elastic arteries        C. continuous capillaries        D. arterioles

Question 32. 32. Cyanosis (Points : 1)

A. is due to the sudden interruption of blood flow to the brain        B. is due to accumulated fatty substances in the arterial wall.        C. is where the lack of oxygen causes a bluish skin tint.        D. is due to lack of exercise.

Question 33. 33. 120/80 is (Points : 1)

A. Indicative of hypotension.        B. A normal blood pressure.        C. Indicates hypertension.        D. is indicative of excessive exercise.

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