#1
Which structure forms the floor of the inguinal canal?
Transversalis fascia
ExplanationIt forms the deepest layer of the abdominal wall.
#2
Which of the following structures passes through the superficial inguinal ring?
Spermatic cord
ExplanationIt carries the vas deferens, testicular artery, veins, and nerves.
#3
Which muscle forms the posterior wall of the inguinal canal?
Internal oblique
ExplanationIt, along with the transversus abdominis, forms the posterior wall.
#4
Which lymph nodes are commonly associated with the inguinal region?
Inguinal lymph nodes
ExplanationThey drain lymph from the lower limb and external genitalia.
#5
Which structure is responsible for forming the conjoint tendon in the inguinal region?
Internal oblique muscle
ExplanationIt contributes fibers to the conjoint tendon with the transversus abdominis.
#6
Which artery supplies the majority of the blood to the inguinal region?
Inferior epigastric artery
ExplanationIt is a branch of the external iliac artery, supplying the inguinal region.
#7
Which nerve is responsible for sensory innervation of the skin over the upper medial thigh?
Ilioinguinal nerve
ExplanationIt emerges from the L1 nerve root and provides sensation to the upper medial thigh.
#8
Which anatomical landmark is used clinically to locate the femoral artery for pulse palpation?
Inguinal ligament
ExplanationIt is palpated to locate the femoral artery, which runs just inferior to it.
#9
Which structure lies immediately deep to the inguinal ligament?
Femoral artery
ExplanationIt is the major blood vessel supplying the lower limb.
#10
Which abdominal layer is responsible for forming the inguinal ligament?
External oblique aponeurosis
ExplanationIt forms the anterior part of the inguinal ligament.
#11
Which structure is located within the femoral sheath?
Femoral vein
ExplanationIt accompanies the femoral artery and receives tributaries from the deep thigh.
#12
Which structure provides motor innervation to the cremaster muscle in males?
Genitofemoral nerve
ExplanationIt originates from the L1-L2 nerve roots and innervates the cremaster muscle.
#13
Which structure is NOT found within the spermatic cord?
Genitofemoral nerve
ExplanationIt travels along the psoas major muscle and does not enter the spermatic cord.
#14
Which structure travels through the deep inguinal ring in females?
Round ligament of the uterus
ExplanationIt is a remnant of the gubernaculum, guiding the descent of the uterus during development.
#15
Which condition results from the protrusion of intra-abdominal contents through the deep inguinal ring?
Inguinal hernia
ExplanationIt can be direct or indirect, with abdominal contents protruding into the inguinal canal.
#16
Which nerve innervates the cremaster muscle in males?
Genitofemoral nerve
ExplanationIt originates from the lumbar plexus and supplies motor fibers to the cremaster muscle.
#17
Which vein joins the inferior epigastric vein to form the external iliac vein?
Deep circumflex iliac vein
ExplanationIt drains blood from the gluteal region and joins the inferior epigastric vein.