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STRAIGHTERLINE A&P FINAL REVIEW QUESTIONS AND ANSWERS
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STRAIGHTERLINE A&P FINAL REVIEW QUESTIONS AND ANSWERS
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STRAIGHTERLINE A&P FINAL REVIEWQUESTIONS AND ANSWERS
Choose the arrangement that lists the chemicals in the order in which they would be
used for coagulation.
(1) thrombin
(2) fibrinogen
(3) prothrombinase
(4) activated factor XII - Answer-4, 3, 1, 2
Red blood cells have antigenic markers on their surfaces called: - Answer-
agglutinogens
Lymphocytes - Answer-migrate to lymphatic tissue.
A person with an increased eosinophil count might be suffering from - Answer-a
parasitic worm infection.
Which of the following is NOT a method of carbon dioxide transport in the blood -
Answer-Held in the depression of a red blood cell
The adult heart averages ___________ grams. - Answer-250-300
The function of the pericardial fluid is to - Answer-reduce friction between the pericardial
membranes.
Regurgitation of blood flow through the aortic semilunar valve would give rise to -
Answer-a heart murmur.
Which of the following would result from a reduced function of the sodium channels in
the SA node? - Answer-depolarization would be delayed and the heart rate would
decrease
The long refractory period observed in cardiac muscle - Answer-prevents tetanic
contractions of the cardiac muscle.
If the SA node is nonfunctional, which of the following is most likely to occur? - Answer-
Another portion of the heart will become the pacemaker.
Which of the following areas of the conduction system would produce spontaneous
action potentials most frequently if the SA node were not functioning? - Answer-AV
node
,What event(s) occur during the QRS complex of an ECG? - Answer-depolarization of
the ventricles and repolarization of the atria
Where is blood moving during the period of ejection? - Answer-Ventricles to great
vessels
Blood in the pulmonary veins returns to the - Answer-left atrium.
An incompetent pulmonary semilunar valve could result in less blood reaching the -
Answer-lungs.
The procedure whereby a small balloon is placed into a partially occluded coronary
artery and then inflated to increase blood flow through the artery is called a(n) - Answer-
angioplasty
In the cardiac cycle, - Answer-all four chambers of the heart are in diastole at the same
time
Fred was admitted to the cardiac unit with chest pains. No arrhythmias and no large
changes in the heart rate were observable. Blood samples taken over the next few days
showed no increase in enzymes such as creatine phosphokinase. A possible treatment
of the condition is - Answer-nitroglycerin
Which of the following is administered to the people suffering from myocardial infarction
following onset of symptoms? - Answer-Tissue plasminogen activator (t-PA)
Aortic stenosis results from - Answer-a narrowed opening through the aortic valve.
A patient has been diagnosed with mild heart disease. Tests show that some of the
coronary arteries are partially occluded. Which of the following is the best course of
action to treat the disease? - Answer-Angioplasty
What abnormal heart rhythm could be caused by an elevated body temperature,
excessive sympathetic stimulation, or toxic conditions? - Answer-tachycardia
Angina pectoris is chest pain caused by reduced - Answer-blood supply to cardiac
muscle
During hemorrhagic shock in which blood pressure is decreased, which of the
regulatory mechanisms is most important is increasing cardiac output to help maintain
blood pressure? - Answer-increased sympathetic stimulation of the heart
The vasomotor center ______. - Answer-sends low frequency action potentials to blood
vessels to maintain tone
, Which of the following events would cause a decrease in mean arterial blood pressure?
- Answer-release of atrial natriuretic factor
Which of the following factors assists in the return of venous blood to the heart?
(1) arterial dilation
(2) valves in the veins
(3) sympathetic stimulation
(4) compression of veins by muscular movements - Answer-2,3,4
If a person develops high blood pressure, one of the compensatory mechanisms that
comes into play is the fluid shift mechanism. This mechanism causes - Answer-water to
shift from the capillaries into the interstitial spaces.
Resistance in the cardiovascular system - Answer-tends to increase if blood viscosity
increases
Increased venous tone will - Answer-help return blood to the heart
The longest vein in the body is the - Answer-great saphenous vein.
Tracing the blood from the heart to the right hand, blood leaves the heart, passes
through the ascending aorta, aortic arch, right subclavian artery, axillary and brachial
arteries, either the radial or ulnar arteries and palmar arches to arrive at the hand.
Which artery is missing in this sequence? - Answer-brachiocephalic
Which of the following acts as a storage area for blood? - Answer-the veins
Which of the following best describes arteries? - Answer-strong, elastic vessels that
carry blood under high pressure
Atherosclerosis is the - Answer-deposition of plaques in arterial walls
From the heart to body tissues, which of the following sequences of vessels is correct? -
Answer-elastic artery, muscular artery, arteriole, capillary
The vasa vasorum - Answer-are special capillaries that supply nutrients to the walls of
arteries and veins.
Precapillary sphincters - Answer-control the blood flow into capillary beds.
Which type of capillaries have large fenestrae and are found in endocrine glands? -
Answer-sinusoidal capillaries
Which of the following enhances the exchange between capillary walls and the
interstitial spaces? - Answer-the thinness of the capillary wall
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