問題一覧
1
accumulation of interstitial fluid that can result from hypertension, lymphatic blockage or from loss of blood albumin proteins termed:
edema
2
in a normal heart, the first sound, “lubb-dump”, of the heartbeat is caused by blood turbulence associated with the closure of these valves:
atrioventricular
3
interstitial fluid accumulates in tissue because about___of the fluid leaving the capillaries is not reabsorbed back into the capillaries:
15%
4
these specialized connections between cardiomyocyets allow ions to flow from one cell to another, spreading the action potential and electrically coupling of the cells of the heart:
gap juntions
5
the “pacemaker” of the heart is the :
SA node
6
when atrial pressure exceeds ventricular pressure, what will happen as a result:
AV valves are pushed open
7
the process of listening to sound within the body( such as heart-sound or breathing) is termed:
auscultaton
8
what portion of the artery wall gives rise to the unique function of conducting arteries in the cardiovascular system:
elastic connective tissue in the tunica media
9
the healthcare practitioner is informed that the client has a no function SA node. The practitioner looks at the client’s EKG expecting to observ what:
no P waves
10
the duration of a single heartbeat is termed:
cardiac cycle
11
the amount of blood that remains in each ventricle after contractions is finished is termed:
end-systolic volume
12
blood leaving the left atrium will immediately pass what valve:
bicuspid
13
stage 3 shock is termed “progressive” because it is associated with:
positive feedback that weakens the heart
14
coronary artery disease (CAD) is major cause of heart disease and is characterized by all of the following EXCEPT:
thinning of coronary artery wall
15
low venous return (LVR) describes a common type of circulatory shock that is associated with any of the folllowing AXCEPT:
myocardial ischema
16
the endothelial lining of blood vessels is termed:
tunica interna
17
aorta
largest artery in the body
18
blood entering the right atrium is coming from the:
superior & inferior vena cavae
19
the amount of blood that fills the ventricle just before contraction is termed:
end-diastolic volume
20
the “backup pacemaker” of the heart is the:
AV node
21
stationary occlusion/blockage in blood vessel
thrombus
22
the nurse is discussing with a client a procedure that the client is schedule to have. the procedure involves inserting a stent in a blood vessel and the client asks the nurse what is for. The nurse explains this will:
open a blocked blood vessels
23
the nurse is meeting with a client who has been very recently diagnosed with right side congestive heart failure. The nurse will know that the client may present which of the following signs or symptoms of this condition:
peripheral edema
24
when recording blood pressure using a sphygmomanometer on a client in a proper metho, the healthcare worker notices the onset of pulsating sounds in the stethoscope starting at a reading of 140. These sounds continue as the cuff pressure decreased to 60 then the sounds fade and are not heard anymore. What is the diastolic pressure of this client?
60
25
in a healthcare setting, typically blood pressure is recorded in what artery
brachial artery
26
circulatory shock is broad term that identifies what:
significantly reduces blood flow to tissue
27
coronary artery
supplies blood to myocardium of the heart
28
the “frank-starling law of the heart” generally states that:
greater myocardial stretch causes greater myocardial contraction
29
blood in the superior and inferior vena cava will enter what chamber of the heart first:
right atrium
30
chest pain
angina pectoris
31
these two lining secret pericardial fluid into the pericardial into the pericardial cavity:
visceral and parietal pericardium
32
the nurse is presented a client who isn in “progressive” stage III shock> which of the following would the nurse likely NOT observe in this client
hypertension
33
in response to low blood pressure, dehydration or low blood sodium the kidney will release___ into the bloodstream:
renin
34
which of the following structures is found in many veins but not in arteries
one-way valves
35
from the AV node, the action potential then travels to what portion of the heart next:
AV bundle
36
from the AV bundle, the action potential then travels to what portion of the heart next:
bundle branches
37
if the SA node fails to depolarize, what portion of the EKG will be absent or delayed:
P wave
38
weakened tissue due to reduced oxygenation/circulation
ischema
39
baroreceptors monitors blood____and can be found in the____
pressure___aorta
40
what portion of the electrical conduction system of the heart creates a 0.1 second “pause” in the signal:
AV nodes
41
what is the function of the papillary muscle and chordea tendineae:
to hold the AV valves closed during contraction
42
auricle
elastic flap of atrial wall
43
stroke volume x heart rate=____
cardiac output
44
which of the following would NOT be observed by studying a patient’s EKG:
blood pressure
45
vena cavea
returns blood to heart
46
what is the predominant force that causes bulk fluid back into the venous end of capillaries:
blood colliod oncotic pressure
47
this short shunt directs blood from the pulmonary trunk into the aorta of the fetal heart:
ductus arteriosus
48
the circulatory pressure is lowest in:
veins
49
a stenosis valve is one that:
does not fully open
50
which of the following would initially lead to a decrease in stroke volume:
increase in afterload
51
the electrical “quivering” that results in uncoordinated signal and muscle contractions in the heart is termed:
fibrillation
52
arteries always carry:
blood away from the heart
53
in “compensated” or stage I shock, which of the hormonal pathways is typically activated to counteract the hypotension:
renin-angiotensin pathway
54
which of the following vessels is nicknamed “the widow maker” due to occlusion of it commonly causing fetal heart attack:
anterior interventricular artery
55
a negative chronotropic agent is one that will specifically:
decrease heart rate
56
which of the following requires higher pressure to move blood:
vasoconstriction
57
the difference between the highest pressure number and the lowest pressure number is:
pulse pressure
58
what does the first or “upper” number of a typically blood pressure reading correspond to:
arterial blood pressure during systole
59
in discussing change that a client should take to reduce further development of coronary artery disease, which of the following would NOT be a beneficial recommendation:
change the client’s genetic predisposition
60
which phase of the cardiac cycle is typically longest in duration:
diastole
61
a typical person, when vigorously excerpting, can increase their cardiac output by about:
four times their resting level
62
which of the following words best describes the flow of blood through most capillary beds:
intermittent
63
at rest, the majority of the body’s blood supply is located in:
veins