Perineum Anatomy Quiz

Play an AI-generated podcast conversation about this lesson

What is the shape of the perineum?

Diamond (correct)

Circular

Square

Triangular

Which structure serves as the anterior boundary of the perineum?

Ischial tuberosities

Coccyx

Pubic arches

Symphysis pubis (correct)

What divides the perineum into the urogenital and anal triangles?

Ischial tuberosities

Pelvic diaphragm

Sacroiliac joint

Imaginary transverse line (correct)

What is the posterior boundary of the urogenital triangle?

Imaginary transverse line (B) Signup and view all the answers

Which of the following structures forms the roof of the deep perineal pouch?

Pelvic fascia (B) Signup and view all the answers

What separates the deep and superficial perineal pouches?

Perineal membrane (C) Signup and view all the answers

Which of the following describes the location of the perineal body?

One inch in front of the anal orifice (D) Signup and view all the answers

What is the anterior boundary of the superficial perineal pouch?

Symphysis pubis (A) Signup and view all the answers

Which muscles surround the female urethra in the deep perineal pouch?

External urethral sphincter (A), Deep transverse perinii muscles (D) Signup and view all the answers

What structure is located within the male deep perineal pouch?

Bulbourethral glands (C) Signup and view all the answers

Which of the following nerves is NOT found in the female deep perineal pouch?

Dorsal nerve of penis (A) Signup and view all the answers

In males, what is the function of the bulbospongiosus muscle?

Contributes to erection and ejaculation (D) Signup and view all the answers

Which artery primarily supplies blood to the structures in the deep perineal pouch?

Internal pudendal artery (B) Signup and view all the answers

Which component is part of the male superficial perineal pouch?

Root of the penis (D) Signup and view all the answers

What is the primary function of the external urethral sphincter in both males and females?

Control urine flow (A) Signup and view all the answers

What anatomical structure is NOT typically found in the female deep perineal pouch?

Bulb of the penis (A) Signup and view all the answers

Which of the following is NOT a content of the superficial perineal pouch in females?

Ovarian blood vessels (B) Signup and view all the answers

What is the primary function of the perineal body?

Provide attachment for perineal muscles (D) Signup and view all the answers

What is the consequence of a rupture in the penile urethra?

Urine extravasates into the superficial perineal pouch (D) Signup and view all the answers

Which artery is primarily associated with the blood supply to the superficial perineal pouch in females?

Internal pudendal artery (D) Signup and view all the answers

Which muscle is NOT typically found in the superficial perineal pouch of females?

Pelvic diaphragm muscle (C) Signup and view all the answers

What condition involves an incision made between the vagina and anus for childbirth?

Perineotomy (A) Signup and view all the answers

What role does the greater vestibular gland play in female anatomy?

Lubrication during intercourse (A) Signup and view all the answers

What is the main supply of the superior vesical artery?

Upper part of the urinary bladder (B) Signup and view all the answers

What anatomical structure is described as a fibro-muscular and central point of the perineum?

Perineal body (C) Signup and view all the answers

Which artery leaves the pelvis through the obturator canal?

Obturator artery (D) Signup and view all the answers

What does the inferior vesical artery supply in males?

Base of the bladder and prostate (D) Signup and view all the answers

Which artery is the principal artery of the perineum?

Internal pudendal artery (D) Signup and view all the answers

What does the uterine artery do in relation to the ureter?

Crosses it superiorly (D) Signup and view all the answers

Which is the largest branch of the anterior division of the internal iliac artery?

Inferior gluteal artery (B) Signup and view all the answers

Which artery corresponds to the inferior vesical artery in females?

Vaginal artery (B) Signup and view all the answers

What does the iliolumbar artery divide into?

Lumbar and iliac branches (D) Signup and view all the answers

What is the origin of the internal pudendal artery?

Anterior division of the internal iliac artery (A) Signup and view all the answers

Which structure does the inferior rectal artery primarily supply?

External anal sphincter and perianal skin (D) Signup and view all the answers

What course does the pudendal nerve take as it exits the pelvis?

Below the piriformis muscle (D) Signup and view all the answers

In which location does the internal pudendal artery enter the perineum?

Through the lesser sciatic foramen (A) Signup and view all the answers

What is one of the terminal branches of the pudendal nerve?

Small dorsal nerve of the penis or clitoris (D) Signup and view all the answers

What is the primary function of the artery to the bulb and urethra?

Supply erectile tissue and urethra (B) Signup and view all the answers

What role does the pudendal nerve block serve in medical procedures?

To relieve pain during pelvic surgery (C) Signup and view all the answers

Which artery is responsible for supplying the erectile tissue in both males and females?

Deep artery of the penis or clitoris (A) Signup and view all the answers