TCAR POST-TEST EXAM 2026/2027 ACTUAL TEST QUESTION &
ANSWERS GRADED A+ LATEST UPDATES, Exams of Nursing
Comprehensive Assessment
2026-2027 • 100 Questions • 100% VERIFIED
Introduction
This comprehensive 100-question assessment examination question bank is specifically designed to
evaluate specialized clinical competencies, procedural knowledge, and evidence-based clinical judgment
for vascular nurses and cardiovascular specialists managing clients undergoing Transcarotid Artery
Revascularization (TCAR). Aligned with the Society for Vascular Surgery (SVS) clinical guidelines,
vascular nursing certification blueprints, and neurovascular care standards, this examination
encompasses eight core domains: Carotid Artery Disease Pathophysiology, TCAR Procedure and
Indications, Patient Selection and Preoperative Assessment, Intraoperative Nursing Care and
Monitoring, Postoperative Care and Complication Management, Stroke Recognition and Neurological
Assessment, Pharmacological Management and Antiplatelet Therapy, and Patient Education and
Discharge Planning. Rigorous mastery of these advanced neurovascular concepts is essential for
achieving professional certification, optimizing hemodynamic stability, preventing peri-procedural
stroke, managing hyperacute complications, and ensuring superior vascular nursing clinical execution
across surgical, intensive care, and outpatient care continuums.
Question 1
Which pathophysiological sequence accurately describes the progression of atherosclerotic plaque
formation within the internal carotid artery bifurcation leading to ischemic cerebral events?
A. Smooth muscle atrophy -> immediate capillary rupture -> diffuse aneurysm formation ->
localized vasospasm
B. Excessive collagen synthesis -> complete arterial calcification -> sudden arterial rupture ->
intracranial hemorrhage
C. Endothelial injury -> low-density lipoprotein (LDL) accumulation and oxidation -> macrophage
foam cell formation -> fibrous cap development -> plaque ulceration and thromboembolism
D. Fibromuscular dysplasia -> medial hyperplasia -> string-of-beads dilation -> spontaneous
dissection
Correct Answer: C. Endothelial injury -> low-density lipoprotein (LDL) accumulation and
oxidation -> macrophage foam cell formation -> fibrous cap development -> plaque
ulceration and thromboembolism
Rationale: Atherosclerosis begins with chronic endothelial injury at regions of low shear stress and
turbulent flow (notably the carotid bifurcation). Circulating LDL particles penetrate the subendothelial
space, undergo oxidation, and trigger an inflammatory cascade where macrophages engulf lipids to
become foam cells (fatty streak). Subsequent vascular smooth muscle cell proliferation and extracellular
, matrix deposition form a fibrous cap overlying a lipid-rich necrotic core. Vulnerable plaques with thin
caps undergo ulceration or rupture, exposing thrombogenic subendothelial matrix that precipitates
platelet aggregation, thrombus formation, and distal cerebral embolization.
Question 2
According to the North American Symptomatic Carotid Endarterectomy Trial (NASCET) criteria, how is
the percentage of Internal Carotid Artery (ICA) stenosis calculated on diagnostic angiography?
A. 1 minus the ratio of the narrowest residual ICA lumen diameter to the normal lumen diameter of
the distal disease-free ICA, multiplied by 100
B. The total cross-sectional area of the carotid bulb minus the area of the residual lumen
C. The ratio of the internal carotid artery diameter to the external carotid artery diameter
D. The ratio of the narrowest ICA diameter to the maximum diameter of the Common Carotid Artery
(CCA)
Correct Answer: A. 1 minus the ratio of the narrowest residual ICA lumen diameter to the
normal lumen diameter of the distal disease-free ICA, multiplied by 100
Rationale: The NASCET method calculates carotid stenosis by comparing the linear diameter of the
residual lumen at the narrowest point of the stenosis (A) to the diameter of the normal, disease-free
Internal Carotid Artery lumen distal to the carotid bulb where the artery walls become parallel (B). The
formula is: Stenosis % = [1 - (A / B)] x 100. This contrasts with the European Carotid Surgery Trial
(ECST) method, which estimates original carotid bulb diameter.
Question 3
A 68-year-old client reports a sudden, painless episode of vision loss in the left eye described as 'a dark
window shade pulling down over the visual field' that fully resolved within 8 minutes. What is the
clinical term and underlying pathophysiological mechanism for this transient symptom?
A. Acute angle-closure glaucoma triggered by sudden elevation of intraocular pressure
B. Temporal arteritis causing bilateral granulomatous inflammation of the posterior ciliary arteries
C. Homonymous hemianopia secondary to an occlusion in the contralateral posterior cerebral artery
D. Amaurosis Fugax (Transient Monocular Blindness) caused by microemboli (such as cholesterol
Hollenhorst plaques) occluding the ipsilateral central retinal artery or its branches originating from
the ophthalmic artery
Correct Answer: D. Amaurosis Fugax (Transient Monocular Blindness) caused by
microemboli (such as cholesterol Hollenhorst plaques) occluding the ipsilateral central
retinal artery or its branches originating from the ophthalmic artery
Rationale: Amaurosis fugax is transient monocular blindness resulting from temporary ischemia to the
ipsilateral retina. The ophthalmic artery is the first major intracranial branch of the Internal Carotid
Artery (ICA). Microemboli (frequently cholesterol crystals known as Hollenhorst plaques, fibrin-platelet
aggregates, or calcific debris) dislodge from an ulcerated ipsilateral carotid plaque and temporarily
occlude the central retinal artery or branch arterioles, classically causing a painless 'curtain descending'
visual deficit that resolves spontaneously as the embolus dissolves or fragments.
,Question 4
On diagnostic Carotid Duplex Ultrasonography, which hemodynamic velocity parameters indicate a
severe (70% or greater) Internal Carotid Artery (ICA) stenosis according to Society of Radiologists in
Ultrasound consensus criteria?
A. CCA Peak Systolic Velocity of 50 cm/s with continuous forward diastolic flow throughout the
cardiac cycle
B. ICA Peak Systolic Velocity (PSV) of 230 cm/s or greater, ICA End-Diastolic Velocity (EDV) of 100
cm/s or greater, and an ICA/CCA PSV ratio of 4.0 or greater
C. ICA Peak Systolic Velocity (PSV) less than 125 cm/s with an ICA/CCA ratio less than 2.0
D. ICA PSV between 125 and 230 cm/s with an ICA End-Diastolic Velocity less than 40 cm/s
Correct Answer: B. ICA Peak Systolic Velocity (PSV) of 230 cm/s or greater, ICA End-Diastolic
Velocity (EDV) of 100 cm/s or greater, and an ICA/CCA PSV ratio of 4.0 or greater
Rationale: According to consensus criteria: Normal ICA exhibits PSV < 125 cm/s and ICA/CCA ratio < 2.0;
Moderate stenosis (50-69%) is defined by ICA PSV 125-230 cm/s and ICA/CCA ratio 2.0-4.0; Severe
stenosis (>= 70% to near-occlusion) is defined by ICA PSV >= 230 cm/s, ICA EDV >= 100 cm/s, ICA/CCA
PSV ratio >= 4.0, and visible plaque with marked lumen narrowing. Near-occlusion may demonstrate
dampened velocities (string sign).
Question 5
Which carotid plaque morphological characteristic identified on preoperative duplex ultrasound or
High-Resolution Magnetic Resonance Imaging (MRI) carries the HIGHEST risk for spontaneous cerebral
embolization?
A. Concentric circumferential calcification limited strictly to the arterial adventitia
B. Fibromuscular web with homogeneous smooth endothelial covering
C. Dense, uniformly hyperechoic plaque with heavy acoustic shadowing and smooth fibrous margins
D. Echolucent (hypoechoic) heterogeneous plaque containing a thin, ruptured fibrous cap,
intraplaque hemorrhage, and surface ulceration
Correct Answer: D. Echolucent (hypoechoic) heterogeneous plaque containing a thin,
ruptured fibrous cap, intraplaque hemorrhage, and surface ulceration
Rationale: Carotid plaque vulnerability and embolic potential depend heavily on plaque composition:
echolucent (hypoechoic) plaques contain large lipid-rich necrotic cores, intraplaque hemorrhage (IPH),
high macrophage infiltration, and thin or ulcerated fibrous caps. These unstable 'vulnerable plaques'
carry significantly higher risks of rupture and thromboembolism compared to stable, calcified,
hyperechoic plaques with thick fibrous caps.
, Question 6
When evaluating collateral cerebral perfusion in a client with severe unilateral carotid stenosis, which
vascular structure within the Circle of Willis provides the primary anterior-to-anterior collateral
pathway connecting the bilateral cerebral hemispheres?
A. Superior Cerebellar Artery
B. Anterior Communicating Artery (AComA)
C. Posterior Communicating Artery (PComA)
D. Basilar Artery
Correct Answer: B. Anterior Communicating Artery (AComA)
Rationale: The Circle of Willis provides critical collateral pathways during carotid occlusion or clamping:
1) The Anterior Communicating Artery (AComA) connects the bilateral Anterior Cerebral Arteries (A1
segments), allowing cross-flow from the healthy contralateral ICA to the ipsilateral hemisphere; 2) The
Posterior Communicating Arteries (PComA) connect the posterior circulation (PCA) to the anterior
circulation (ICA); 3) External carotid artery (ECA) branches provide retrograde flow via the ophthalmic
artery.
Question 7
A vascular client experiences a Transient Ischemic Attack (TIA) characterized by right-sided facial
weakness and expressive aphasia lasting 20 minutes. What scoring system is utilized in clinical settings
to stratify the client's short-term risk of developing an acute ischemic stroke?
A. Glasgow Coma Scale (GCS)
B. ABCD2 Score (evaluating Age, Blood pressure, Clinical features, Duration of symptoms, and
Diabetes)
C. Ranson Criteria for Pancreatitis
D. Braden Scale for Risk Prediction
Correct Answer: B. ABCD2 Score (evaluating Age, Blood pressure, Clinical features, Duration
of symptoms, and Diabetes)
Rationale: The ABCD2 score is a validated clinical prognostic tool used to predict 2-day, 7-day, and 90-
day stroke risk following a TIA: Age (>= 60 years = 1 pt); Blood pressure (SBP >= 140 or DBP >= 90 = 1
pt); Clinical features (unilateral weakness = 2 pts, speech disturbance without weakness = 1 pt); Duration
(>= 60 min = 2 pts, 10-59 min = 1 pt); and Diabetes (1 pt). High scores (6-7) indicate up to an 8% 2-day
risk of completed stroke.
ANSWERS GRADED A+ LATEST UPDATES, Exams of Nursing
Comprehensive Assessment
2026-2027 • 100 Questions • 100% VERIFIED
Introduction
This comprehensive 100-question assessment examination question bank is specifically designed to
evaluate specialized clinical competencies, procedural knowledge, and evidence-based clinical judgment
for vascular nurses and cardiovascular specialists managing clients undergoing Transcarotid Artery
Revascularization (TCAR). Aligned with the Society for Vascular Surgery (SVS) clinical guidelines,
vascular nursing certification blueprints, and neurovascular care standards, this examination
encompasses eight core domains: Carotid Artery Disease Pathophysiology, TCAR Procedure and
Indications, Patient Selection and Preoperative Assessment, Intraoperative Nursing Care and
Monitoring, Postoperative Care and Complication Management, Stroke Recognition and Neurological
Assessment, Pharmacological Management and Antiplatelet Therapy, and Patient Education and
Discharge Planning. Rigorous mastery of these advanced neurovascular concepts is essential for
achieving professional certification, optimizing hemodynamic stability, preventing peri-procedural
stroke, managing hyperacute complications, and ensuring superior vascular nursing clinical execution
across surgical, intensive care, and outpatient care continuums.
Question 1
Which pathophysiological sequence accurately describes the progression of atherosclerotic plaque
formation within the internal carotid artery bifurcation leading to ischemic cerebral events?
A. Smooth muscle atrophy -> immediate capillary rupture -> diffuse aneurysm formation ->
localized vasospasm
B. Excessive collagen synthesis -> complete arterial calcification -> sudden arterial rupture ->
intracranial hemorrhage
C. Endothelial injury -> low-density lipoprotein (LDL) accumulation and oxidation -> macrophage
foam cell formation -> fibrous cap development -> plaque ulceration and thromboembolism
D. Fibromuscular dysplasia -> medial hyperplasia -> string-of-beads dilation -> spontaneous
dissection
Correct Answer: C. Endothelial injury -> low-density lipoprotein (LDL) accumulation and
oxidation -> macrophage foam cell formation -> fibrous cap development -> plaque
ulceration and thromboembolism
Rationale: Atherosclerosis begins with chronic endothelial injury at regions of low shear stress and
turbulent flow (notably the carotid bifurcation). Circulating LDL particles penetrate the subendothelial
space, undergo oxidation, and trigger an inflammatory cascade where macrophages engulf lipids to
become foam cells (fatty streak). Subsequent vascular smooth muscle cell proliferation and extracellular
, matrix deposition form a fibrous cap overlying a lipid-rich necrotic core. Vulnerable plaques with thin
caps undergo ulceration or rupture, exposing thrombogenic subendothelial matrix that precipitates
platelet aggregation, thrombus formation, and distal cerebral embolization.
Question 2
According to the North American Symptomatic Carotid Endarterectomy Trial (NASCET) criteria, how is
the percentage of Internal Carotid Artery (ICA) stenosis calculated on diagnostic angiography?
A. 1 minus the ratio of the narrowest residual ICA lumen diameter to the normal lumen diameter of
the distal disease-free ICA, multiplied by 100
B. The total cross-sectional area of the carotid bulb minus the area of the residual lumen
C. The ratio of the internal carotid artery diameter to the external carotid artery diameter
D. The ratio of the narrowest ICA diameter to the maximum diameter of the Common Carotid Artery
(CCA)
Correct Answer: A. 1 minus the ratio of the narrowest residual ICA lumen diameter to the
normal lumen diameter of the distal disease-free ICA, multiplied by 100
Rationale: The NASCET method calculates carotid stenosis by comparing the linear diameter of the
residual lumen at the narrowest point of the stenosis (A) to the diameter of the normal, disease-free
Internal Carotid Artery lumen distal to the carotid bulb where the artery walls become parallel (B). The
formula is: Stenosis % = [1 - (A / B)] x 100. This contrasts with the European Carotid Surgery Trial
(ECST) method, which estimates original carotid bulb diameter.
Question 3
A 68-year-old client reports a sudden, painless episode of vision loss in the left eye described as 'a dark
window shade pulling down over the visual field' that fully resolved within 8 minutes. What is the
clinical term and underlying pathophysiological mechanism for this transient symptom?
A. Acute angle-closure glaucoma triggered by sudden elevation of intraocular pressure
B. Temporal arteritis causing bilateral granulomatous inflammation of the posterior ciliary arteries
C. Homonymous hemianopia secondary to an occlusion in the contralateral posterior cerebral artery
D. Amaurosis Fugax (Transient Monocular Blindness) caused by microemboli (such as cholesterol
Hollenhorst plaques) occluding the ipsilateral central retinal artery or its branches originating from
the ophthalmic artery
Correct Answer: D. Amaurosis Fugax (Transient Monocular Blindness) caused by
microemboli (such as cholesterol Hollenhorst plaques) occluding the ipsilateral central
retinal artery or its branches originating from the ophthalmic artery
Rationale: Amaurosis fugax is transient monocular blindness resulting from temporary ischemia to the
ipsilateral retina. The ophthalmic artery is the first major intracranial branch of the Internal Carotid
Artery (ICA). Microemboli (frequently cholesterol crystals known as Hollenhorst plaques, fibrin-platelet
aggregates, or calcific debris) dislodge from an ulcerated ipsilateral carotid plaque and temporarily
occlude the central retinal artery or branch arterioles, classically causing a painless 'curtain descending'
visual deficit that resolves spontaneously as the embolus dissolves or fragments.
,Question 4
On diagnostic Carotid Duplex Ultrasonography, which hemodynamic velocity parameters indicate a
severe (70% or greater) Internal Carotid Artery (ICA) stenosis according to Society of Radiologists in
Ultrasound consensus criteria?
A. CCA Peak Systolic Velocity of 50 cm/s with continuous forward diastolic flow throughout the
cardiac cycle
B. ICA Peak Systolic Velocity (PSV) of 230 cm/s or greater, ICA End-Diastolic Velocity (EDV) of 100
cm/s or greater, and an ICA/CCA PSV ratio of 4.0 or greater
C. ICA Peak Systolic Velocity (PSV) less than 125 cm/s with an ICA/CCA ratio less than 2.0
D. ICA PSV between 125 and 230 cm/s with an ICA End-Diastolic Velocity less than 40 cm/s
Correct Answer: B. ICA Peak Systolic Velocity (PSV) of 230 cm/s or greater, ICA End-Diastolic
Velocity (EDV) of 100 cm/s or greater, and an ICA/CCA PSV ratio of 4.0 or greater
Rationale: According to consensus criteria: Normal ICA exhibits PSV < 125 cm/s and ICA/CCA ratio < 2.0;
Moderate stenosis (50-69%) is defined by ICA PSV 125-230 cm/s and ICA/CCA ratio 2.0-4.0; Severe
stenosis (>= 70% to near-occlusion) is defined by ICA PSV >= 230 cm/s, ICA EDV >= 100 cm/s, ICA/CCA
PSV ratio >= 4.0, and visible plaque with marked lumen narrowing. Near-occlusion may demonstrate
dampened velocities (string sign).
Question 5
Which carotid plaque morphological characteristic identified on preoperative duplex ultrasound or
High-Resolution Magnetic Resonance Imaging (MRI) carries the HIGHEST risk for spontaneous cerebral
embolization?
A. Concentric circumferential calcification limited strictly to the arterial adventitia
B. Fibromuscular web with homogeneous smooth endothelial covering
C. Dense, uniformly hyperechoic plaque with heavy acoustic shadowing and smooth fibrous margins
D. Echolucent (hypoechoic) heterogeneous plaque containing a thin, ruptured fibrous cap,
intraplaque hemorrhage, and surface ulceration
Correct Answer: D. Echolucent (hypoechoic) heterogeneous plaque containing a thin,
ruptured fibrous cap, intraplaque hemorrhage, and surface ulceration
Rationale: Carotid plaque vulnerability and embolic potential depend heavily on plaque composition:
echolucent (hypoechoic) plaques contain large lipid-rich necrotic cores, intraplaque hemorrhage (IPH),
high macrophage infiltration, and thin or ulcerated fibrous caps. These unstable 'vulnerable plaques'
carry significantly higher risks of rupture and thromboembolism compared to stable, calcified,
hyperechoic plaques with thick fibrous caps.
, Question 6
When evaluating collateral cerebral perfusion in a client with severe unilateral carotid stenosis, which
vascular structure within the Circle of Willis provides the primary anterior-to-anterior collateral
pathway connecting the bilateral cerebral hemispheres?
A. Superior Cerebellar Artery
B. Anterior Communicating Artery (AComA)
C. Posterior Communicating Artery (PComA)
D. Basilar Artery
Correct Answer: B. Anterior Communicating Artery (AComA)
Rationale: The Circle of Willis provides critical collateral pathways during carotid occlusion or clamping:
1) The Anterior Communicating Artery (AComA) connects the bilateral Anterior Cerebral Arteries (A1
segments), allowing cross-flow from the healthy contralateral ICA to the ipsilateral hemisphere; 2) The
Posterior Communicating Arteries (PComA) connect the posterior circulation (PCA) to the anterior
circulation (ICA); 3) External carotid artery (ECA) branches provide retrograde flow via the ophthalmic
artery.
Question 7
A vascular client experiences a Transient Ischemic Attack (TIA) characterized by right-sided facial
weakness and expressive aphasia lasting 20 minutes. What scoring system is utilized in clinical settings
to stratify the client's short-term risk of developing an acute ischemic stroke?
A. Glasgow Coma Scale (GCS)
B. ABCD2 Score (evaluating Age, Blood pressure, Clinical features, Duration of symptoms, and
Diabetes)
C. Ranson Criteria for Pancreatitis
D. Braden Scale for Risk Prediction
Correct Answer: B. ABCD2 Score (evaluating Age, Blood pressure, Clinical features, Duration
of symptoms, and Diabetes)
Rationale: The ABCD2 score is a validated clinical prognostic tool used to predict 2-day, 7-day, and 90-
day stroke risk following a TIA: Age (>= 60 years = 1 pt); Blood pressure (SBP >= 140 or DBP >= 90 = 1
pt); Clinical features (unilateral weakness = 2 pts, speech disturbance without weakness = 1 pt); Duration
(>= 60 min = 2 pts, 10-59 min = 1 pt); and Diabetes (1 pt). High scores (6-7) indicate up to an 8% 2-day
risk of completed stroke.
