#1
Which structure forms the roof of the inguinal canal?
External oblique aponeurosis
ExplanationLayer of abdominal muscle forming the upper boundary of the inguinal canal.
#2
Which of the following structures is NOT found within the spermatic cord?
Seminal vesicle
ExplanationAccessory gland that stores and secretes seminal fluid, not present in the spermatic cord.
#3
What is the function of the inguinal canal?
Passage of the spermatic cord
ExplanationCanal providing passage for structures like the spermatic cord.
#4
Which structure forms the anterior wall of the inguinal canal?
Inguinal ligament
ExplanationFibrous band extending from the anterior superior iliac spine to the pubic tubercle, forming the anterior boundary of the inguinal canal.
#5
Which of the following structures is NOT a part of the inguinal canal?
Femoral artery
ExplanationArtery located outside the inguinal canal.
#6
What is the function of the inguinal ligament?
Provides passage for the spermatic cord
ExplanationFibrous band forming a passage for structures like the spermatic cord.
#7
Which muscle forms the floor of the inguinal canal?
Internal oblique muscle
ExplanationMuscle layer of the abdominal wall forming the lower boundary of the inguinal canal.
#8
What is the function of the cremaster muscle in the spermatic cord?
Contracts to elevate the testes
ExplanationMuscle responsible for the reflex of raising the testes towards the body to regulate temperature.
#9
What is the embryological origin of the inguinal canal?
Mesoderm
ExplanationThe inguinal canal originates from the mesodermal tissue during embryonic development.
#10
Which structure passes through the deep inguinal ring in males?
Vas deferens
ExplanationDuct carrying sperm from the epididymis to the ejaculatory duct, passing through the deep inguinal ring in males.
#11
Which structure gives rise to the round ligament in females?
Gubernaculum
ExplanationConnective tissue structure that becomes the round ligament in females.
#12
Which of the following structures is NOT a content of the spermatic cord?
Round ligament of uterus
ExplanationStructure exclusive to females, not found in the spermatic cord.
#13
Which nerve supplies sensory innervation to the inguinal region?
Ilioinguinal nerve
ExplanationNerve responsible for providing sensory innervation to the inguinal region.
#14
What is the function of the gubernaculum in fetal development?
Anchors the testis in the scrotum
ExplanationStructure responsible for guiding and anchoring the testis during fetal development.
#15
Which of the following structures provides a pathway for the descent of the testes during fetal development?
Gubernaculum
ExplanationConnective tissue structure facilitating the descent of the testes during fetal development.
#16
Which lymph nodes drain the inguinal region?
Inguinal lymph nodes
ExplanationLymph nodes responsible for draining lymph from the inguinal region.
#17
Which artery supplies blood to the inguinal region?
Inferior epigastric artery
ExplanationArtery providing blood supply to the inguinal region.
#18
Which structure traverses the inguinal canal in females?
Round ligament of uterus
ExplanationStructure passing through the inguinal canal in females, homologous to the spermatic cord in males.