Find easy to difficult questions on Superficial Circumflex Iliac Artery. With these MCQs, we go deep into each aspect of Superficial Circumflex Iliac Artery, so that you get a comprehensive understanding of the topic and face tough medical & nursing exams like USMLE, NEET PG, NBME, NExT Step1 & 2, NCLEX, MBBS & other medical exams easily
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🔗 Superficial Circumflex Iliac Artery
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🔍 Anatomy and Terminology:
Which artery arises from the femoral artery and travels laterally under the inguinal ligament?
- a) Deep femoral artery
- b) Superficial iliac circumflex artery
- c) Inferior epigastric artery
- d) External pudendal artery
- Answer: b
The superficial iliac circumflex artery is also known as:
- a) Iliolumbar artery
- b) Inferior gluteal artery
- c) Iliac crest artery
- d) Ilioinguinal artery
- Answer: a
Which of the following arteries supplies blood to the iliacus muscle?
- a) Superficial iliac circumflex artery
- b) Deep femoral artery
- c) External iliac artery
- d) Internal iliac artery
- Answer: a
🔍 Anatomical Relations:
The superficial iliac circumflex artery runs between which two ligaments?
- a) Inguinal ligament and lacunar ligament
- b) Inguinal ligament and pectineal ligament
- c) Inguinal ligament and Cooper’s ligament
- d) Inguinal ligament and Poupart’s ligament
- Answer: d
Which muscle does the superficial iliac circumflex artery pass over?
- a) Psoas major
- b) Rectus abdominis
- c) Transverse abdominis
- d) External oblique
- Answer: a
The superficial iliac circumflex artery gives off branches to which muscle group?
- a) Quadriceps femoris
- b) Hamstrings
- c) Gluteal muscles
- d) Adductor muscles
- Answer: c
🔍 Function and Clinical Significance:
What is the primary function of the superficial iliac circumflex artery?
- a) Supplying blood to the abdominal organs
- b) Providing collateral circulation to the lower limb
- c) Nourishing the iliac bone
- d) Draining venous blood from the iliac region
- Answer: b
A patient has an injury that severs the superficial iliac circumflex artery. What might be a consequence of this injury?
- a) Impaired hip flexion
- b) Reduced knee extension
- c) Compromised blood supply to the abdominal muscles
- d) Decreased sensation in the thigh
- Answer: a
The superficial iliac circumflex artery anastomoses with which other artery to provide collateral circulation?
- a) Femoral artery
- b) Inferior epigastric artery
- c) Deep femoral artery
- d) Superior gluteal artery
- Answer: c
🔍 Clinical Procedures:
Which clinical procedure might involve ligating the superficial iliac circumflex artery to control bleeding?
- a) Inguinal hernia repair
- b) Appendectomy
- c) Kidney transplantation
- d) Femoral artery catheterization
- Answer: a
During a femoral artery catheterization, the superficial iliac circumflex artery might be encountered. What precaution should be taken?
- a) Avoid the artery as it doesn’t have any clinical significance
- b) Occlude the artery to prevent backflow of contrast dye
- c) Embolize the artery to prevent potential complications
- d) Avoid injecting contrast dye near the artery to prevent ischemia
- Answer: d
🔍 Vascular Pathology:
Atherosclerosis in the superficial iliac circumflex artery can lead to:
- a) Increased blood flow to the gluteal muscles
- b) Claudication in the thigh and buttock
- c) Varicose veins in the thigh
- d) Strengthened collateral circulation
- Answer: b
Aneurysm formation in the superficial iliac circumflex artery could result in:
- a) Localized pain at the aneurysm site
- b) Impaired circulation in the lower leg
- c) Compression of the sciatic nerve
- d) Decreased blood flow to the small intestines
- Answer: a
🔍 Embryological Basis:
The superficial iliac circumflex artery develops from which embryonic structure?
- a) Vitelline artery
- b) Umbilical artery
- c) Aortic arch
- d) Dorsal aorta
- Answer: a
Which of the following vessels is a precursor to the superficial iliac circumflex artery?
- a) Primitive streak artery
- b) Sacral artery
- c) Vitelline artery
- d) Urogenital artery
- Answer: c
🔍 Surgical Considerations:
The superficial iliac circumflex artery might be ligated during surgery to:
- a) Increase blood flow to the lower extremity
- b) Reduce risk of deep vein thrombosis
- c) Facilitate blood flow to the inguinal region
- d) Aid in abdominal muscle repair
- Answer: c
In inguinal hernia repair, the superficial iliac circumflex artery:
- a) Is always sacrificed to prevent hernia recurrence
- b) Must be ligated to avoid bleeding complications
- c) Can be safely preserved to maintain collateral circulation
- d) Supplies blood primarily to the hernia sac
- Answer: c
🔍 Comparative Anatomy:
In non-human mammals, the superficial iliac circumflex artery might serve a similar function as the human artery in:
- a) Aiding digestion
- b) Controlling temperature
- c) Maintaining balance
- d) Facilitating limb movement
- Answer: d
In certain animals, the superficial iliac circumflex artery might have a more pronounced role in:
- a) Cooling the abdominal organs
- b) Nourishing reproductive organs
- c) Sustaining metabolic processes
- d) Supplying oxygen to the brain
- Answer: b
🔍 Research and Medical Imaging:
In a vascular angiogram, which imaging technique is commonly used to visualize the superficial iliac circumflex artery?
- a) Magnetic resonance imaging (MRI)
- b) Computed tomography (CT) scan
- c) Doppler ultrasound
- d) X-ray with contrast dye
- Answer: d
Researchers are studying the branching pattern of the superficial iliac circumflex artery to better understand:
- a) Cardiac function
- b) Respiratory anatomy
- c) Lymphatic drainage
- d) Lower limb circulation
- Answer: d
🔍 Clinical Assessment:
A patient complains of pain and tenderness in the groin area after strenuous physical activity. Which artery should be examined for potential involvement?
- a) Deep femoral artery
- b) Superficial iliac circumflex artery
- c) External iliac artery
- d) Inferior epigastric artery
- Answer: b
A physician suspects compromised blood supply to the thigh muscles. Which pulse point should be checked to assess the superficial iliac circumflex artery?
- a) Dorsalis pedis pulse
- b) Popliteal pulse
- c) Femoral pulse
- d) Posterior tibial pulse
- Answer: c
🔍 Development and Evolution:
The presence of the superficial iliac circumflex artery in humans is reflective of:
- a) Bipedal locomotion
- b) Carnivorous diet
- c) Aerial locomotion
- d) Herbivorous diet
- Answer: a
During human evolution, the development of the superficial iliac circumflex artery might have been influenced by:
- a) Increased need for thermoregulation
- b) Changes in reproductive strategies
- c) Shift from arboreal to terrestrial lifestyle
- d) Evolution of a more complex brain
- Answer: c
🔍 Anatomical Variations:
An anatomical variation of the superficial iliac circumflex artery might involve its origin from the:
- a) Deep femoral artery
- b) External iliac artery
- c) Common femoral artery
- d) Inferior epigastric artery
- Answer: a
In some individuals, the superficial iliac circumflex artery might have a double origin. What could be the potential clinical implication of this variation?
- a) Increased risk of aneurysm formation
- b) Improved circulation to the thigh muscles
- c) Higher susceptibility to embolism
- d) Enhanced blood supply to the pelvic organs
- Answer: b
🔍 Interactions with Neighboring Structures:
The superficial iliac circumflex artery crosses the inguinal ligament along with which other structure?
- a) Femoral vein
- b) Femoral nerve
- c) External iliac vein
- d) Genitofemoral nerve
- Answer: d
The relationship between the superficial iliac circumflex artery and the femoral nerve is primarily:
- a) Superficial and lateral
- b) Deep and medial
- c) Anterior and lateral
- d) Posterior and medial
- Answer: a
🔍 Clinical Investigations:
A patient with persistent hip pain is undergoing angiography to visualize the superficial iliac circumflex artery. Which contrast agent is commonly used in this procedure?
- a) Barium sulfate
- b) Iodine-based contrast
- c) Gadolinium-based contrast
- d) Technetium-based contrast
- Answer: b
Which medical imaging technique provides real-time visualization of blood flow in the superficial iliac circumflex artery?
- a) Magnetic resonance angiography (MRA)
- b) Doppler ultrasound
- c) Positron emission tomography (PET)
- d) Single-photon emission computed tomography (SPECT)
- Answer: b
🔍 Comparative Pathophysiology:
In non-human primates, atherosclerosis in the superficial iliac circumflex artery might be associated with:
- a) Enhanced agility
- b) Decreased metabolic rate
- c) Altered reproductive behavior
- d) Reduced arboreal locomotion
- Answer: c
Certain animal species might exhibit a higher susceptibility to aneurysm formation in the superficial iliac circumflex artery due to:
- a) Lower heart rate
- b) Varied reproductive strategies
- c) Unique dietary habits
- d) Unidirectional limb movement
- Answer: b
🔍 Clinical Management:
A patient with chronic leg pain is found to have stenosis of the superficial iliac circumflex artery. What treatment option might be considered?
- a) Coronary artery bypass grafting
- b) Endovascular angioplasty and stenting
- c) Aneurysm resection
- d) Nerve ablation
- Answer: b
In cases of severe atherosclerosis in the superficial iliac circumflex artery, a surgical bypass might involve using a graft from which vessel?
- a) Brachial artery
- b) Axillary artery
- c) Inferior vena cava
- d) Saphenous vein
- Answer: d
🔍 Applied Anatomy:
The superficial iliac circumflex artery can be used as a landmark for locating the:
- a) Greater trochanter
- b) Iliac crest
- c) Ischial tuberosity
- d) Acetabulum
- Answer: a
Surgeons often rely on the course of the superficial iliac circumflex artery to avoid damage to the:
- a) Sciatic nerve
- b) Femoral nerve
- c) Pudendal nerve
- d) Genitofemoral nerve
- Answer: a
🔍 Research Applications:
Researchers investigating vascular changes in response to exercise might study the superficial iliac circumflex artery to understand:
- a) Thermoregulation mechanisms
- b) Muscle metabolism during exercise
- c) Neuronal adaptations in the brain
- d) Impact of exercise on gut motility
- Answer: b
Studying blood flow dynamics in the superficial iliac circumflex artery might contribute to the development of:
- a) Novel cancer therapies
- b) Improved cardiac pacemakers
- c) Non-invasive methods for gender determination
- d) Enhanced strategies for tissue regeneration
- Answer: d
🔍 Clinical Approaches:
A patient with claudication might undergo exercise therapy to improve blood flow through the superficial iliac circumflex artery. Which principle is applied in this approach?
- a) Utilization of gravity
- b) Utilization of the Bohr effect
- c) Utilization of the Haldane effect
- d) Utilization of the Frank-Starling mechanism
- Answer: d
In patients with peripheral artery disease affecting the superficial iliac circumflex artery, a physician might recommend adopting which lifestyle modification?
- a) High-calorie diet
- b) Smoking cessation
- c) Reduced fluid intake
- d) Increased caffeine consumption
- Answer: b
🔍 Clinical Conditions:
The superficial iliac circumflex artery might be implicated in the pathogenesis of:
- a) Osteoporosis
- b) Deep vein thrombosis
- c) Aortic dissection
- d) Pelvic inflammatory disease
- Answer: b
Patients with atherosclerosis in the superficial iliac circumflex artery might experience intermittent claudication. What is the underlying cause of this symptom?
- a) Nerve compression
- b) Blood clot formation
- c) Muscle ischemia during exercise
- d) Nerve inflammation
- Answer: c
🔍 Evolutionary Anatomy:
The presence of the superficial iliac circumflex artery in humans supports which evolutionary advantage?
- a) Enhanced flying ability
- b) Efficient diving behavior
- c) Improved running endurance
- d) Reduced need for thermoregulation
- Answer: c
The superficial iliac circumflex artery might have evolved as a response to the anatomical changes associated with:
- a) Bipedal locomotion
- b) Arboreal locomotion
- c) Quadrupedal locomotion
- d) Cursorial locomotion
- Answer: a
🔍 Clinical Imaging:
In a diagnostic ultrasound, the superficial iliac circumflex artery would appear as:
- a) A pulsating mass
- b) A dark shadow
- c) A linear hyperechoic structure
- d) A cystic lesion
- Answer: c
In a CT angiography of the lower limb, the superficial iliac circumflex artery would be visualized after injecting contrast dye into which vessel?
- a) Superior vena cava
- b) Inferior vena cava
- c) Brachiocephalic artery
- d) Pulmonary artery
- Answer: b
🔍 Functional Adaptations:
The superficial iliac circumflex artery might undergo vasodilation during exercise due to:
- a) Activation of the renin-angiotensin system
- b) Release of prostaglandins
- c) Increased hematocrit
- d) Activation of the carotid sinus reflex
- Answer: b
A long-distance runner might experience increased blood flow through the superficial iliac circumflex artery due to:
- a) Decreased heart rate
- b) Decreased cardiac output
- c) Enhanced oxygen affinity of hemoglobin
- d) Increased stroke volume
- Answer: d
🔍 Clinical Procedures and Complications:
- In a femoral artery catheterization, accidental puncture of the superficial iliac circumflex artery might lead to:
- a) Hematuria
- b) Hemoptysis
- c) Hematemesis
- d) Hematoma formation
- Answer: d
