BIO 1030 Study Guide Number 5

1. What is the (A) general name and the (B) special name given to the inner layer of blood vessels.

Answer:

A.								B.

 

2. Identify the following descriptions: (A) Smallest blood vessels, (B)May contain valves, (C)Drain blood from capillaries, (D)Take blood to the heart, (E)Sites for exchange of substances between blood and tissue fluid, (F)rate of blood flow is lowest and(G)carry blood away from the heart.

Answers:

A.	              


B.             


C.          


D.          


E


G.
3. What is being described: string-like structures that anchor the valve leaflets 
  of the AV valves?

Answer:

4.Identify the type of circuit that is responsible for the following functions:

a. Arteries that carry O2-rich blood?

b. Contains the renal arteries and veins?

c. Arteries carry blood away from the heart, and veins return blood toward the heart?

d. Carbon dioxide leaves the capillaries, and oxygen enters the capillaries?

Answers: 
A.				


B.


C.	


D.

5. Which of the following is a description of the pulmonary trunk and the aorta

a. Are attached to the atria.

b. Are attached to the ventricles.

c. Start at the semilunar valves.

d. Start at the atrioventricular valves

Answers:

6. Identify the combination that is mismatched: left ventricle - aorta; right ventricle - pulmonary trunk; right atrium - vena cava; left atrium - pulmonary artery

Answer:

7. Select from among the following the statements or phrases that are true.

a. The vena cava contains oxygenated blood.

b. All arteries carry blood away from the heart.

c. The AV valves prevent back flow into the atria.

d. The right atrium sends blood through the bicuspid valve.

e. Pulmonary veins carry deoxygenated blood.

f. All arteries carry oxygenated blood.

g. All arteries have three layers.

h. Some arteries are so large, they need their own blood supply.

i. The heart is cone-shaped, with its pointed, or apex directed toward the left.

j. The heart is about the size of the human fist.

k. The heart is located between the lungs.

Answers: 	
A.


B.			


C.			


D.			


E.


F.  		


G.		


H.	


I.




J.



K.

8. Which of the following are true regarding the human heart: (A)Oxygenated blood mixes with deoxygenated blood.(B) The right ventricle pumps blood to the body. (C)The aorta and the bicuspid valve are on the same side.(D) The septum normally allows passage between ventricles. HINT: Only one choice is correct.!!!

Answer:

9. Name a human vein that carries: (A)oxygenated blood.(B)Deoxygenated blood.

Answer:	
A.




B.

10. Name the largest A) vein. B) the largest artery.

Answer:	A				B

11. What is being described: refers to the A) the contraction of the heart muscles; either atrial or ventricular? B) the relaxation of the heart muscle?

Answer:	A							B

12. Alternating expansion and contraction of elastic arterial walls can be felt and is called by what name?

Answer:

13. Aside from the radial artery, indicate two other sites that a pulse can be taken with the least amount of effort and with perhaps the same degree of accuracy.

Answer:

14. What name is given to the valves that are located at the bases of the pulmonary trunk and the aorta?

Answer:

15. When the atria contract, where does the blood flow? BE CAREFUL AND SPECIFIC- Two answers are required!!

Answer:	A							B

16. What is normal adult heart rate at rest?

Answer:

17. What is being descried: an accumulation of plaque in an arterial wall?

Answer:

18. The heart has four components comprising the intrinsic factors that regulate heart rate. The four components are listed below. Give each component's function relative to what it does.

Answers:

A) SA Node:

 

B) AV Node:

 

C) Atrioventricular bundle:

 

D) Purkinje fibers:

 

19. A) What are the sources of the extrinsic factors that modulate or assist in regulating heart rate? B) Give the various components (that comprise the external factors)with its individual role played in controlling heart rate.

Answer:

A)

 

B)

20. Select the mechanism(s) that is/are involved in aiding blood flow: Pumping action of the heart, skeletal muscle contraction, pressure changes in the thorax, or one-way valves in veins?

Answer:

21. Identify each of the electrical signals with the activity in the appropriate region of the heart: A. P wave B. QRS wave C. T wave

Answer:

 

22. What is being described: rapid and dangerously uncoordinated ventricular contractions?

Answer:

23. Identify from among the following associations that are true: capillaries - thin walls;

artery - thick wall; artery - largest diameter of the blood vessels; vein - valves

Answer:

25. Which of the following statement(s) is/are not correct concerning the heartbeat?

a. The atria contract at the same time.

b. The ventricles relax at the same time.

c. The atrioventricular valves open at the same time.

d. The semilunar valves open at the same time.

e. First the right side contracts, and then the left side contracts.

Answers:

26. When the ventricles contracts, where does the blood flow? REQUIRES TWO DISTINCT ANSWERS.

Answer:

27. TRUE/FALSE

a. The pulmonary arteries have oxygen-poor blood.

b. The pulmonary veins have oxygen-rich blood.

c. The exchange of gases occurs at the lungs.

d. Four pulmonary veins enter the left atrium.

Answers:	
A.	


B.


C.	


D.

28. TRUE/FALSE

a. The hepatic portal vein drains blood from the GI tract and delivers it to the liver for inspection.

b. The femoral artery is located in the thigh.

c. The coronary arteries supply the heart(muscle) with oxygen and nutrients,.

d. As blood pressure decreases, blood velocity decreases.

e. As vessel cross-sectional area increases, blood velocity decreases.

f. As the distance from the aorta increases, total cross sectional area increases.

g. As blood velocity decreases, molecular exchange at the capillaries increases.

h. The liver detoxifies substances.

i. Hormones from the endocrine system help regulate blood pressure.

j. Lungs and kidneys assist in eliminating waste products from the body.

Answers
A.


B.


C.


D.


E.


F.


G.


H.


I.


J.

29. Which one of the following is not a function of the lymphatic system? Produces blood cells, returns excess fluid to the blood, transports lipids absorbed from the GI tract, or defends the body against pathogens.

Answer:

30. What structural similarities do veins and lymphatic vessels have in common?

Answers:

a. Both have thick walls of smooth muscle.

b. Both contain valves for one-way flow of fluids.

c. Both empty directly into the heart.

d. Both are fed fluids from arterioles.

31. TRUE/FALSE

a. Lymph nodes occur in particular regions of the body.

b. Lymph nodes contain lymphocytes.

c. Lymph nodes filter the lymph.

d. Lymph nodes, like the spleen, filter blood.

Answer:	.A			 B.				.C		.D

32. Where especially is the cardiac vein located? What is its function?

Answer:	A								B

33. What is responsible for the the following heart sounds: "lub" and "dup"?

Answer:

 

34. Label the diagram shown on pages 113-114 regarding numbers 26-27.

Answers:(26)

 

 

 

Answers (27)

 

 

 

35. Be in position to identify the cardiovascular disorders beginning on page 105-106.

 

36. What is the difference between an embolus and a thrombus?

Answer: