True/False
Indicate whether the sentence or statement is true
or false.
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| 1. | Tissues damaged by myocardial
infarction are replaced by connective tissue.
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| 2. | The atria receive blood
returning to the heart.
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| 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.
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| 4. | Cardiac muscle has more
mitochondria and depends less on a continual supply of oxygen than does skeletal
muscle.
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| 5. | A heart rate less than 60
beats/min. is called tachycardia.
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Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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| 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. | | |
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| 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. | | |
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| 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 | | |
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| 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. | | |
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| 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. | | |
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| 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 | | |
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| 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. | | |
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| 13. | The P wave of a normal
electrocardiogram indicates: a. | ventricular repolarization. | b. | atrial repolarization. | c. | ventricular depolarization. | d. | atrial depolarization. | | |
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| 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. | | |
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| 15. | a. | normal | c. | aortic
regurgitation | b. | mitral stenosis | d. | ventricular setpal defect | | | | |
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| 16. | Heartburn is a burning sensation in the: a. | lungs | c. | esophagus | b. | heart | d. | pericardium | | | | |
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| 17. | What
are the symptoms of hepatitis a. | jaundice, fever, fatigue | c. | increased appetite, coughing | b. | dehydration,
hair loss | d. | dizziness,
coughing | | | | |
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| 18. | How
is mumps typically spread a. | needles | c. | sexually | b. | saliva | d. | touching | | | | |
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| 19. | Bad
breath is also known as a. | esophagitis | c. | intussusception | b. | halitosis | d. | pharyngitis | | | | |
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Figure 07.03
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| 20. | Refer to
Figure 07.03. Which part of the diagram represents an artery?
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| 21. | Refer to
Figure 07.03. Which part of the diagram represents the human kidney?
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| 22. | Refer to
Figure 07.03. Which part of the diagram represents the structure with oxygen-rich
blood?
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| 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 | | | | |
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| 24. | Refer to
Figure 07.03. A ventricle is represented by the structure numbered
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| 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. | | | | |
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| 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. | | |
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| 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 | | | | |
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| 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. | | |
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Figure
12.04
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| 29. | Refer
to Figure 12.04. Eggs are produced in structure
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| 30. | Refer
to Figure 12.04. The human embryo develops in
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| 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. | | | | |
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| 32. | Refer
to Figure 12.04. The menstrual flow comes from the wall of structure
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| 33. | Refer
to Figure 12.04. Fertilization of the human egg occurs in structure
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| 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 | | | | |
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| 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. | | | | |
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| 36. | The
most effective method of birth control is a. | sterilization. | c. | abstinence from intercourse. | b. | contraceptive
foams and jellies. | d. | birth control
pills. | | | | |
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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.
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| 37. | Refer
to the pedigree and information above. What is Barbara’s genotype? a. | XBXb | c. | XBXB or
XBXb | b. | XBXB | d. | XbXb | | | | |
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| 38. |
The EKG above represents a. | normal | c. | premature
ventricular contractions | b. | heart block | d. | ventricular fibrillation | | | | |
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Short Answer
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| | 39. | The
________
membrane covers the heart.
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| | 40. | In the fetal heart there is a
foramen ________ that allows blood to flow from the right atrium directly to the left
atrium.
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| | 41. | Explain autorhythmicity in
cardiac muscle cells.
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| | 42. | The ________ valve of the heart
has three valves with chordae tindineae.
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| | 43. | Specialized conductive cells of
the ventricles are called ________ fibers.
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| | 44. | ________ valves of the heart
have no chordae tindineae attached.
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Essay
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| | 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.
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| | 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?
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| | 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?
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Other
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| | 48. | Don’t forget to study the arteries you need to know!
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