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Flashcards in Hemo Final Deck (102):
1

The anterior cerebral artery (ACA) is normally evaluated from the _________.

transtemporal approach

2

Pulsed Doppler transducer IS/IS NOT a limitation of a TCD examination.

IS NOT

3

During color doppler transcranial imaging, the middle cerebral artery (MCA) runs parallel to the _________.

Sphenoid wing

4

The large terminal branch of the internal carotid artery is ______.

Middle cerebral artery.

5

________ transducer is used for TCD imaging examinations.

Pulsed wave doppler

6

A ____-degree angle is assumed when performing TCD imaging examinations.

Zero

7

Patients complaining of intermittent claudication will have an ankle-brachial index (ABI) of ____.

0.59

8

To obtain arterial doppler signals during arterial color doppler imaging, using a ____ imaging plane is best.

Longitudinal

9

During arterial duplex imaging, doppler signals are obtained using a ___-degree angle.

60-degree

10

The profunda femoris artery lies _____ to the superficial femoral artery (SFA).

Posterior and lateral

11

Ankle pressures that fall after exercise and return to baseline in 5 minutes suggest

Single-segment occlusive disease

12

Most patients describe claudication as

cramping of the leg muscles

13

An ultrasound characteristic of the internal carotid artery (ICA) includes

Low-resistance doppler signal

14

Noise caused by tissue vibration produced by turbulent flow is

Bruit

15

An abnormal shape of the spectral doppler waveform from the ICA suggests

Proximal or distal disease or occlusion

16

Approximately _____ strokes occur each year in the United States.

700,000

17

A warning sign of a stroke is _______.

Temporary blindness in one eye.

18

A potentially lethal complication of acute DVT is _______.

Pulmonary embolism

19

The gastroduodenal artery is a branch of the ____.

Common hepatic artery

20

The normal diameter of the aorta is less than _____.

23 mm

21

The duodenum and parts of the stomach are supplied by the _______.

Gastroduodenal artery

22

The arterial supply to the gallbladder is via the ____.

Cystic artery

23

Renal arteries branch from the lateral wall of the aorta _____.

Inferior to the SMA

24

Recess of the oblique sinus is used to separate _____ from _____.

Pericardial fluid from pleural effusion

25

The medial wall of the right atrium contains ________.

Interatrial septum

26

Two pulmonary veins enter posteriorly in the ______.

Left atrium

27

The forceful contraction of the cardiac chamber is _____, and the relaxed phase of the cycle is _____.

Systole ; diastole

28

The superior vena cava (SVC) enters the right atrium _____.

Medially

29

The mitral valve separates _____ & ______.

Left atrium and left ventricle

30

The carotid body assists in regulating _____, _____, & _______.

Heart rate,
Blood pressure,
Respiration

31

Placement of the doppler sample volume should be parallel to _______.

Vessel walls

32

Normal vertebral arteries are _____.

Asymmetrical

33

An ultrasound finding of the doppler signal from an external carotid artery (ECA) is _____.

High-resistance

34

The most commonly visualized branch of the ECA is _______.

Superior thyroid

35

A difference of greater than 20 mm Hg pressure between arms suggests _______.

Disease of the subclavian artery

36

Blood flow in the MCA is normally _____.

Towards the transducer

37

When performing a transcranial color doppler (TCD) imaging examination, the best results are obtained using a ____ transducer.

2 MHz

38

Suboccipital windows are used to evaluate the _______ system.

vertebrobasilar system

39

_______ are used to evaluate the vertebrobasilar system.

Suboccipital windows

40

A low hematocrit (less than 30%) is associated with ________.

Increased intracranial arterial velocities

41

Angle correction of the doppler signal is not necessary during a lower extremity venous duplex examination because ______.

Peak-venous velocity does not provide any clinical information in lower extremity duplex imaging.

42

Side-to-side differences that occur during a TCD imaging examination should be considered with normal limits if they are ____.

Less than 25%

43

Venous valves are not observed in _____.

Soleal sinuses

44

The presence of an incomplete venous segment is determined by ________.

Venous reflux greater than 1 second

45

A pulsatile venous signal is not normal in _____.

Axillary

46

Signs and symptoms of acute DVT does not include

Palpable subcutaneous cord

47

The common femoral vein lies _____.

In the Scarpa canal

48

The base of the heart is formed by the _____.

Left atrium

49

The greatest muscle mass in the heart is found in the _____.

Left ventricle

50

Blood is prevented from flowing backward into the left ventricle from the aorta by ______.

Semilunar

51

_____ initiates the normal cardiac impulse.

Sinoatrial nodes

52

The ABI on the left side is ____.

.97 mm Hg

53

The right border of the heart is formed by the _____.

Right atrium

54

The posterior cerebral artery wraps around the _____.

Cerebral peduncle

55

Intracranial arterial velocities _____ with ____age.

Decrease with increasing age

56

Most users report _____ velocities during TCD examinations.

Mean velocities

57

The union of the two vertebral arteries forms _______.

Basilar artery

58

The most common cause of abdominal aneurysms is ______.

Arteriosclerosis

59

The IVC courses anteriorly to enter the _____.

Right atrium

60

The most common tumor to fill the IVC is _____.

Renal cell carcinoma

61

The vessel that arises from the anterior aortic wall and takes a parallel course to the aorta is the ____.

Superior mesenteric artery

62

The clinical signs of leg edema, low back pain, pelvic pain, gastrointestinal complains, and renal and liver problems may represent:

IVC thrombosis

63

_____ is difficult to compress during duplex imaging.

Subclavian

64

The basilic vein is a _____ vein of the ______.

Superficial vein of the upper extremity

65

Three factors of the Virchow triad are ___, _____, and ____.

Hyper-coagulability,
Stasis,
Vein injury

66

The superficial femoral vein is a ______.

Deep vein

67

To obtain venous doppler signals during venous duplex imaging, using a(n) _______ plane is best.

Longitudinal imaging plane

68

The characteristics of a normal doppler signal obtained during lower-extremity arterial imaging does not include ______.

Dicrotic notch

69

Exercise testing of the lower-extremity arterial system is performed on a treadmill at a speed of _______.

1.5 - 2 mph

70

A toe pressure is considered normal if it is ___.

50 mm Hg

71

A difference in pressures greater than 20 mm Hg between arms usually indicates _______.

Disease of subclavian.

72

Perforating veins connect the _______ and _______ systems.

Superficial and deep venous systems.

73

Blood flow in the perforating veins is normally from the ______ system to the ____ system.

Superficial system to the deep system.

74

The longest vein in the body is ______.

Greater saphenous

75

Risk factors of deep-vein thrombosis (DVT) does not include_______.

Baker's cyst

76

The right renal artery passes ____ to the IVC.

Posterior

77

The portal venous system does not receive blood from _____.

Kidneys

78

Superior mesenteric artery is used as a landmark in locating the _____.

Celiac trunk

79

The compression technique is not used for _____.

Free-floating thrombus

80

The left renal vein courses between the _____ and the _____.

Aorta & the SMA

81

Budd-Chiari syndrome demonstrates thrombosis of the ______.

Hepatic vein

82

Exercise testing of the lower-extremity arterial system is performed on a treadmill on a ______ grade.

10% - 12%

83

The major branches off the popliteal artery are the ____ and ____.

Sural and genicular arteries

84

In non-diabetic patients, ischemic skin lesions are not likely to heal if ankle systolic pressure is below ____.

55 mm Hg

85

A normal pulse volume waveform contains a(n):

Dicrotic notch

86

Blood pressure cuffs should have a width ____% greater than the diameter of the limb.

20%

87

The second main branch of the aortic arch is _____.

Left common carotid

88

In patients with lower trunk and leg edema and a dilated IVC, a(N) _____ should be suspected.

Antrioventricular fistula

89

The portal veins carry blood from the _____ to the ____.

Intestinal tract to the liver

90

Transient partial or complete loss of vision is known as ____.

Amaurosis fugax

91

A normal flow disturbance along the posterior wall of the bulb is _______.

Boundary layer separation

92

Defects in the valves may cause turbulence or regurgitation on auscultation, which is called ______.

Murmur

93

Approximately ___ BPM is the normal adult heart rate.

70 BMP

94

The right and left coronary arteries arise from the _____.

Ascending aorta

95

The left iliac vein is usually compressed by ____.

Right iliac artery

96

A characteristic of a subclavian steal is:

Reversal of blood flow in the vertebral artery

97

Transient ischemic attack lasts

less than 24 hour phases

98

Reduced diastolic blood flow pattern IS/IS NOT an ultrasound finding of an ICA occlusion.

IS NOT

99

The innominate artery divides into the _____ and the ______.

Right common carotid and right subclavian arteries

100

The pericardial sac protects the heart against _____.

Friction

101

The apex of the heart is formed by the _____.

Left ventricle

102

The most posterior chamber to the left of the sternum is the _____.

Left atrium