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A & P 2 STRAIGHTERLINE FINAL EXAM QUESTIONS WITH CORRECT ANSWERS
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A & P 2 STRAIGHTERLINE FINAL EXAM QUESTIONS WITH CORRECT ANSWERS
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A & P 2 STRAIGHTERLINE FINAL EXAMQUESTIONS WITH CORRECT ANSWERS
Cardiac muscle cells - Answer-are maintained by an extensive capillary network.
During the isovolumetric contraction period of the cardiac cycle, - Answer-AV and
semilunar valves are closed.
Pressure in the right ventricle must exceed pressure in the ____ before the right
ventricle can eject blood. - Answer-pulmonary trunk
In the cardiac cycle, - Answer-all four chambers of the heart are in diastole at the same
time.
What cardiac arrhythmia will have no QRS complex as a symptom? - Answer-
ventricular fibrillation
Which of the following is administered to the people suffering from myocardial infarction
following onset of symptoms? - Answer-Tissue plasminogen activator (t-PA)
Which of the following might increase the risk for cardiovascular disease? - Answer-
chronic stress
Aortic stenosis results from - Answer-a narrowed opening through the aortic valve
An incompetent pulmonary semilunar valve could result in less blood reaching the -
Answer-lungs
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
Angina pectoris is chest pain caused by reduced - Answer-blood supply to cardiac
muscle.
Coronary artery disease can diminish myocardial blood flow resulting in the death of
myocardial cells. This condition is known as a myocardial - Answer-infarction
What abnormal heart rhythm could be caused by an elevated body temperature,
excessive sympathetic stimulation, or toxic conditions? - Answer-tachycardia
Which type of vessel has the greatest compliance? - Answer-veins
,Which of the following thoracic organs is supplied by a parietal branch of the thoracic
aorta? - Answer-the intercostal muscles
Increased pressure in the aortic arch will activate the aortic arch reflex and cause -
Answer-increased parasympathetic stimulation of the heart.
According to Poiseuille's law, - Answer-if resistance increases, flow decreases
The vein that ascends along the medial side of the lower limb to the femoral vein is the
____ saphenous vein and the vein that ascends along the posterior aspect of the leg to
the popliteal vein is the _____ saphenous vein. - Answer-great; small
If someone has a blood pressure reading of 110/70 mm Hg, their pulse pressure would
be - Answer-40 mm Hg.
What is the most important means by which capillary exchange occurs? - Answer-
diffusion
Which of the following statements about laminar blood flow is true? - Answer-The
outermost layer of blood experiences the greatest resistance to flow.
In capillary exchange, which of the following statements is true? - Answer-Most fluid that
leaves the arterial end of a capillary reenters the venous end of a capillary.
The exchange of nutrients and gases between the blood and tissue cells is the primary
function of - Answer-capillaries.
Resistance to blood flow is greatest in - Answer-arterioles
The major types of veins are ____________, ____________, and ______. - Answer-
superficial veins, deep veins, and sinuses
What are vasa vasorum? - Answer-Blood vessels that nourish the tunica adventitia and
tunica media.
Which statement is CORRECT? - Answer-Veins contain valves and arteries do not.
Which of the following functions is associated with vessels that carry blood directly from
arterioles to veins without passing through capillaries? - Answer-thermoregulation
Which of the following organs would be most likely to contain fenestrated capillaries? -
Answer-kidney
Case study:
Dale Fremore was back home after spending the day at a picnic where he ate some
"spoiled" potato salad. He developed severe abdominal pain and cramps, vomiting, and
, diarrhea. After about ten to twelve episodes of water diarrhea, Mr. Fremore became so
pale and weak he could hardly walk. His wife took him to the hospital where he was
diagnosed with severe dehydration (decreased plasma volume). Mr. Fremore was
suffering from shock.
The body has several mechanisms that can come into play to try to maintain blood
pressure and blood flow when a person goes into shock.
Compensatory shock is characterized by a narrowed pulse pressure. Which of the
following blood pressure readings is an example of a narrowed pulse pressure? -
Answer-. 92/64
Case study:
Dale Fremore was back home after spending the day at a picnic where he ate some
"spoiled" potato salad. He developed severe abdominal pain and cramps, vomiting, and
diarrhea. After about ten to twelve episodes of water diarrhea, Mr. Fremore became so
pale and weak he could hardly walk. His wife took him to the hospital where he was
diagnosed with severe dehydration (decreased plasma volume). Mr. Fremore was
suffering from shock.
The body has several mechanisms that can come into play to try to maintain blood
pressure and blood flow when a person goes into shock.
Urine output usually decreases when a person is in shock. This is the result of -
Answer-increased renin secretion.
In response to circulatory shock, - Answer-the renin-angiotensin mechanism is
activated.
In which of the following would you detect a weak pulse? - Answer-hemorrhagic shock
Which of the following organs does NOT contain lymphatic tissue? - Answer-liver
Lymph capillaries are found in the - Answer-dermis
Nonencapsulated lymphatic tissue called MALT includes all of the following except: -
Answer-lymph nodes.
The white pulp of the spleen - Answer-contains lymphocytes that can stimulate an
immune response.
Describe the wall of lymphatic capillaries. - Answer-Thin-walled, with overlapping
squamous cells
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