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Anatomy Online Heart Practice

True/False
Indicate whether the sentence or statement is true or false.
 

 1. 

Tissues damaged by myocardial infarction are replaced by connective tissue.
 

 2. 

The atria receive blood returning to the heart.
 

 3. 

Congestive heart failure means that the pumping efficiency of the heart is depressed so that there is inadequate delivery of blood to body tissues.
 

 4. 

Cardiac muscle has more mitochondria and depends less on a continual supply of oxygen than does skeletal muscle.
 

 5. 

A heart rate less than 60 beats/min. is called tachycardia.
 

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 6. 

The term for pain associated with deficient blood delivery to the heart that may be caused by the transient spasm of coronary arteries is:
a.
myocardial infarct.
b.
pericarditis.
c.
angina pectoris.
d.
ischemia.
 

 7. 

Foramen ovale:
a.
is a connection between the pulmonary trunk and the aorta in the fetus.
b.
connects the two atria in the fetal heart.
c.
is a condition in which the heart valves do not completely close.
d.
is a shallow depression in the interventricular septum.
 

 8. 

Normal heart sounds are caused by which of the following events?
a.
friction of blood through the valves
b.
excitation of the SA node
c.
contraction of ventricular muscle
d.
closure of the heart valves
 

 9. 

If cardiac muscle is deprived of its normal blood supply, damage would primarily result from:
a.
a decrease in the number of available mitochondria for energy production.
b.
an inadequate supply of lactic acid.
c.
a lack of nutrients to feed into metabolic pathways.
d.
decreased delivery of oxygen.
 

 10. 

Select the correct statement about the heart valves.
a.
Semilunar valves control the flow of blood into the heart.
b.
The tricuspid valve divides the left atrium from the left ventricle.
c.
The mitral valve separates the right atrium from the right ventricle.
d.
The AV valves are supported by chordae tendinae so that they do not blow back up into the atria during ventricular contraction.
 

 11. 

If a significant amount of connective tissue were to develop connecting the visceral and parietal pericardial layers together, which of the following would be a likely consequence?
a.
strengthening of the delicate pericardial layers and an improvement of cardiac function
b.
interference with normal mechanical cardiac activity
c.
decreased production of fluid in the pericardial cavity since it is no longer necessary
d.
decreased friction between the visceral and parietal layers
 

 12. 

Stenosis of the mitral valve may initially cause a pressure increase in the:
a.
coronary circulation.
b.
pulmonary circulation.
c.
left ventricle.
d.
venae cavae.
 

 13. 

The P wave of a normal electrocardiogram indicates:
a.
ventricular repolarization.
b.
atrial repolarization.
c.
ventricular depolarization.
d.
atrial depolarization.
 

 14. 

If the vagal nerves to the heart were cut, the result would be:
a.
parasympathetic stimulation would increase, causing a decrease in heart rate.
b.
the heart rate would increase by about 25 beats per minute.
c.
the AV node would become the pacemaker of the heart.
d.
the heart would stop, since the vagal nerves trigger the heart to contract.
 

 15. 

Go to http://www.medstudents.com.br/cardio/heartsounds/00b10003.wav and listen to the heart sound.  Which of the following conditions would make these sounds? (choose all that apply)
a.
normal
c.
aortic regurgitation
b.
mitral stenosis
d.
ventricular setpal defect
 

 16. 

Heartburn is a burning sensation in the:
a.
lungs
c.
esophagus
b.
heart
d.
pericardium
 

 17. 

What are the symptoms of hepatitis
a.
jaundice, fever, fatigue
c.
increased appetite, coughing
b.
dehydration, hair loss
d.
dizziness, coughing
 

 18. 

How is mumps typically spread
a.
needles
c.
sexually
b.
saliva
d.
touching
 

 19. 

Bad breath is also known as
a.
esophagitis
c.
intussusception
b.
halitosis
d.
pharyngitis
 
 


heartpracticetest_files/i0220000.jpg

      Figure 07.03
 

 20. 

Refer to Figure 07.03.  Which part of the diagram represents an artery?
a.
1
c.
5
b.
4
d.
7
 

 21. 

Refer to Figure 07.03.  Which part of the diagram represents the human kidney?
a.
1
c.
5
b.
4
d.
10
 

 22. 

Refer to Figure 07.03.  Which part of the diagram represents the structure with oxygen-rich blood?
a.
1
c.
5
b.
3
d.
7
 

 23. 

Refer to Figure 07.03.  Which sequence represents a correct circuit through the human circulatory system?
a.
1-3-7-6-5-2-4-8-10-9
c.
2-5-6-7-3-4-8-19-9-1
b.
1-2-5-6-7-3-4-8-10-9
d.
4-2-5-6-7-3-1-9-10-8
 

 24. 

Refer to Figure 07.03.  A ventricle is represented by the structure numbered
a.
1.
c.
5.
b.
3.
d.
6.
 

 25. 

Due to the distance it must pump, the most muscular chamber in a four-chambered heart is the
a.
left atrium.
c.
right atrium.
b.
left ventricle.
d.
right ventricle.
 

 26. 

A disadvantage of a three-chambered heart is that
a.
oxygenated and deoxygenated blood mix.
b.
only one atrium is available to pump the blood.
c.
blood from the lungs does not return to the heart.
d.
only oxygenated blood is pumped to the lungs.
 

 27. 

When is the blood pressure in the vessels leaving the heart the highest?
a.
atrial systole
c.
ventricular systole
b.
atrial diastole
d.
ventricular diastole
 

 28. 

Fertilization is accomplished when
a.
a sperm touches the egg cell membrane.
b.
pollen reaches a flower.
c.
the egg and sperm nuclei unite.
d.
sperm are released.
 
 


heartpracticetest_files/i0320000.jpg

      Figure 12.04
 

 29. 

Refer to Figure 12.04.  Eggs are produced in structure
a.
1.
c.
3.
b.
2.
d.
4.
 

 30. 

Refer to Figure 12.04.  The human embryo develops in
a.
2.
c.
4.
b.
3.
d.
5.
 

 31. 

Refer to Figure 12.04.  The structures used by the urinary system are
a.
1 and 2.
c.
4 and 5.
b.
2 and 3.
d.
5 and 6.
 

 32. 

Refer to Figure 12.04.  The menstrual flow comes from the wall of structure
a.
1.
c.
4.
b.
3.
d.
6.
 

 33. 

Refer to Figure 12.04.  Fertilization of the human egg occurs in structure
a.
1.
c.
4.
b.
2.
d.
6.
 

 34. 

Refer to Figure 12.04.  Which structures are most closely involved in the actual birth of a baby?
a.
4 and 5
c.
3 and 6
b.
1 and 6
d.
2 and 5
 

 35. 

The transport of food, gases, and wastes in the placenta is accomplished by
a.
red blood cells.
c.
osmosis.
b.
active transport.
d.
diffusion.
 

 36. 

The most effective method of birth control is
a.
sterilization.
c.
abstinence from intercourse.
b.
contraceptive foams and jellies.
d.
birth control pills.
 
 


heartpracticetest_files/i0410000.jpg

      Figure 13.03

A type of color weakness is an X-linked recessive trait. The shaded figures in the pedigree represent individuals who possess this trait. B represents the allele for normal color vision, and b represents the allele for this type of color weakness.
 

 37. 

Refer to the pedigree and information above.  What is Barbara’s genotype?
a.
XBXb
c.
XBXB or XBXb
b.
XBXB
d.
XbXb
 

 38. 

heartpracticetest_files/i0430000.jpg

The EKG above represents
a.
normal
c.
premature ventricular contractions
b.
heart block
d.
ventricular fibrillation
 

Short Answer
 

 39. 

The ________                           membrane covers the heart.
 

 40. 

In the fetal heart there is a foramen ________ that allows blood to flow from the right atrium directly to the left atrium.
 

 41. 

Explain autorhythmicity in cardiac muscle cells.
 

 42. 

The ________ valve of the heart has three valves with chordae tindineae.
 

 43. 

Specialized conductive cells of the ventricles are called ________ fibers.
 

 44. 

________ valves of the heart have no chordae tindineae attached.
 

Essay
 

 45. 

Explain how each of the following tests or procedures might be helpful in evaluating a patient with heart disease: blood pressure measurement, determination of blood lipid and cholesterol levels, electrocardiogram, and chest X ray.
 

 46. 

An older woman complains of shortness of breath and intermittent fainting spells. Her doctor runs various tests and finds that the AV node is not functioning properly. What is the suggested treatment?
 

 47. 

A man enters the hospital complaining of chest pain. His history includes smoking, a stress-related job, a diet heavy in saturated fats, lack of exercise, and high blood pressure. Although he is not suffering from a heart attack, his doctor explains to him that a heart attack is quite possible. What did the chest pain indicate? Why is this man a prime candidate for a heart attack?
 

Other
 

 48. 

Don’t forget to study the arteries you need to know!
 



 
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