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WorksheetsEndo and Repro Anatomy MCQs (Extraction)
Total questions: 81
Worksheet time: 41mins
A 6-week pregnant woman undergoes an ultrasound that shows normal development of the paramesonephric ducts. Which of the following structures is expected to develop from these ducts?
Ovaries
Bulbourethral gland
Seminal vesicle
Prostate
Fallopian tube
During a routine examination, a pediatrician notes that a 2-year-old girl has ambiguous genitalia. Genetic testing reveals an XY karyotype. This is most likely due to:
Excessive exposure to estrogens during pregnancy
Lack of androgen exposure in utero
Androgen Insensitivity Syndrome
Congenital Adrenal Hyperplasia
5α-reductase deficiency
A 10-year-old boy presents with signs of precocious puberty. Hormonal analysis indicates elevated levels of testosterone. This condition may be due to:
A tumor producing gonadotropins
Congenital Adrenal Hyperplasia
Leydig cell tumor
Testicular torsion
Sertoli cell tumor
What embryological structure gives rise to the ovarian follicles?
Mesonephric ducts
Paramesonephric ducts
Primordial germ cells
Wolffian ducts
Gonadal ridge
Which of the following is a critical event in the development of the female external genitalia?
Fusion of the labioscrotal swellings
Formation of the urogenital sinus
Development of the penis
Absence of the SRY gene
Absence of paramesonephric duct
A child with a history of developmental delays is found to have a heart defect and issues related to the thymus and parathyroid glands. Genetic testing reveals a deletion in chromosome 22. This condition is most likely related to the development of which pharyngeal pouches?
First and second
Second and third
Third and fourth
First and third
First and fourth
A patient with a history of poor development of the upper border of the hyoid bone has an anomaly related to which pharyngeal apparatus?
First pharyngeal arch
Second pharyngeal arch
Third pharyngeal arch
Fourth pharyngeal arch
First pharyngeal cleft
A newborn is diagnosed with a congenital anomaly involving the development of the face and neck, specifically a cleft lip and palate. This defect is primarily due to failure of fusion of which structures?
First pharyngeal arch derivatives
Lateral nasal process
Medial nasal process
Mandibular process
Lateral and medial nasal process
During a routine pediatric examination, a child is found to have a fistula on the anterior border of the sternocleidomastoid muscle. This abnormality is most likely due to persistence of which embryological structures?
First and second pharyngeal pouch
Failure of fusion of 2nd, 3rd and 4th pharyngeal cleft
Thyroglossal duct
Branchial sinus
Pharyngeal membranes
The pancreas is derived from which germ layer of embryonic development?
Endoderm
Neuroectoderm
Mesoderm
Ectoderm
Neural crest
A newborn is diagnosed with congenital hypothyroidism. During prenatal development, a disruption in the descent of which structure could have led to this condition?
Adrenal gland
Pituitary gland
Thyroid gland
Parathyroid gland
Pineal gland
The adrenal cortex originates from which embryonic layer?
Ectoderm
Mesoderm
Endoderm
All three germ layers
Neuroectoderm
The first branchial arches give rise to the maxilla and mandible bones. Which of the following groups of muscles arise from the first pharyngeal arch?
The muscles of mastication
The muscles of mastication and anterior belly of digastric
The muscles of mastication and posterior belly of digastric muscle
The muscles of mastication, digastric and geniohyoid
The muscles of mastication, anterior belly of digastric and tensor tympani
On per-rectal examination, which of the following structures can be palpated?
Broad ligament
Inguinal ligament
Ovarian ligament
Uterosacral ligament
Round ligament
A young boy has a hydrocele. When it is drained, the needle will not pierce which structure?
Cremasteric fascia
Muscle
Tunica albuginea
Skin
Tendon
Regarding lymphatic drainage of the fallopian tube, where does the majority of lymph drain to?
Lumbar nodes
Internal iliac nodes
External iliac nodes
Superficial inguinal nodes
Para-aortic nodes
The internal iliac artery is thrombosed in a bedridden patient. Which of the following does not require collateral circulation in this scenario?
Bladder
Prostate
Vagina
Testes
Uterus
The internal and external anal sphincters receive innervation from which spinal segment?
S1
S2
S4
S3
S5
A 65-year-old woman presents with postmenopausal bleeding. Her investigations show carcinoma of the uterus and cervix. Knowing your knowledge of anatomy, the most likely lymph node involved is:
External iliac nodes
Internal iliac nodes
Superficial inguinal nodes
Internal and external iliac nodes
Presacral lymph nodes
Normal anatomical position of the uterus in most women is:
Retroverted and anteverted
Anteverted and retroverted
Anteflexed and retroverted
Anteverted and anteflexed
Retroflexed and retroverted
What is the average oblique diameter of the pelvic outlet?
7.5 cm
12 cm
9 cm
10.5 cm
13.5 cm
In males, which muscle empties the urethra after micturition?
Superficial transverse perineal muscle
Bulbospongiosus
Ischiocavernosus
Deep transverse perineal muscle
Sphincter urethrae
The rectum and anal canal have a system of anastomoses that will facilitate blood flow in the case of a blockage. Which of the following vessels drains into the portal system of veins?
Median sacral vein
Middle rectal vein
Inferior rectal vein
Superior rectal vein
Lateral sacral vein
The fascia in the pelvis and perineum consists of three layers that are continuous with abdominal fascial layers. Which of the following types of fascia can all be found in the deep layer of fascia?
External spermatic fascia and Buck’s fascia
Fascia lata and Colles’ fascia
Scarpa’s fascia and dartos fascia
Camper’s fascia and Buck’s fascia
External spermatic fascia and dartos fascia
Which of the following ligaments contains the uterine artery and is crucial for the vascular support of the uterus?
Broad ligament
Round ligament
Uterosacral ligament
Cardinal ligament
Ovarian ligament
During a radical hysterectomy procedure, the surgeon must expose the broad ligament to ligate the uterine arteries that travel within the transverse cervical ligament. Which of the following structures is most likely to be injured during this procedure?
Uterosacral ligament
Suspensory ligament of the ovary
Ureters
Sigmoid colon
Bladder
The thyroid gland receives venous drainage primarily through which veins?
Internal jugular vein
Superior thyroid and middle thyroid veins
Superior, middle and inferior thyroid veins
Brachiocephalic vein
Subclavian vein
Which of the following structures is found lateral to the thyroid gland?
Trachea
Esophagus
Carotid sheath
Sternocleidomastoid muscles
Trapezius
A patient with a palpable mass in the left anterior triangle of the neck, just behind and below the jaw, is most likely to have an issue with which structure?
Submandibular gland
Thyroid gland
Carotid artery
Esophagus
Vagus nerve
A patient who recently underwent a thyroidectomy develops difficulty in speaking, particularly in producing high-pitched sounds. Which nerve, likely affected during the surgery, controls this function?
Recurrent laryngeal nerve
External branch of the superior laryngeal nerve
Internal branch of the superior laryngeal nerve
Ansa cervicalis
Accessory nerve
The superficial perineal pouch is located between which two structures?
Perineal membrane and superficial fascia
Pelvic diaphragm and perineal membrane
Ischial tuberosities and pubic symphysis
The rectovesical pouch is significant in clinical examinations because it:
Is the most accessible area for fluid collection in pelvic infections in females
Is the site for detecting ovarian cysts in males
Is the area where ascitic fluid tends to collect in males
Is the location of the uterus in females
The deep perineal pouch contains which of the following?
Superficial perineal fat
External anal sphincter
Urethra and associated muscles
Perineal body
Which forms the superior boundary of supraclavicular triangle
Clavicle
Posterior border of sternocleidomastoid muscle
Anterior border of sternocleidomastoid muscle
The joint between the atlas (C1) and axis (C2) allows for:
Flexion and extension of the head
Lateral flexion of the neck
Rotation of the head
Gliding motion of the cervical vertebrae
Flexion of head
The "vertebra prominens" is a term used to describe which cervical vertebra?
C1
C2
C3
C6
C7
Which structure forms the superior boundary of the pituitary fossa, limiting the pituitary gland's upward movement?
Sphenoid sinus
Optic chiasma
Frontal lobe
Hypothalamus
Caudate nucleus
The pituitary gland is attached to the hypothalamus by which of the following structures?
Fornix
Infundibulum
Corpus callosum
Pinal stalk
Par intermedaite lobe
The pituitary gland is surrounded by which dural structure that helps to stabilize it within the sella turcica?
Tentorium cerebelli
Falx cerebri
Diaphragm sellae
Arachnoid mater
Falx cerebelli
Prostate urethra is lined by which of the following epithelium:
Simple cuboidal epithelium
Simple columnar epithelium
Simple squamous
Transitional epithelium
Pseudostratified columnar epithelium
Regarding Ovarian follicles, the development of secondary follicles depends upon:
Luteinizing hormone
Estrogen hormone
Follicle stimulating hormone
Progesterone
Testosterone
Each tubulo-alveolar gland of the mammary gland ends in which of the following ducts?
Interlobular ducts
Intralobular ducts
Striated ducts
Lactiferous ducts
Acina
Shehnaz, a 5-year-old with average body proportions but an unusually small stature, was taken to the pediatric outpatient department. The results of preliminary lab tests indicated a biochemical growth hormone deficit. Which kind of cell secretes this hormone among the others?
Lactotropic cells
Thyrotropic cells
Somatotropic cells
Corticotropic cells
Gonadotropic cells
Addisons disease is an autoimmune disease, which occurs when immune system attacks healthy tissue of adrenal cortex. Deficiency of which hormone is responsible for causing Addisons disease?
Mineralocorticoids
Glucocorticoids
Adrenocorticoids
Corticosteroids
Cortisol
Anatomy & Endocrinology – I. Glands (Endocrinology). A doctor accidentally cuts the nerve near the superior thyroid artery. Which muscle in the voice box (larynx) will stop working, making it hard to sing high notes?
Back muscle of the voice box
Side muscle of the voice box
Cricothyroid muscle
Thyroarytenoid muscle
Vocal cord muscle
Anatomy & Endocrinology – I. Glands (Endocrinology). When a tumor in the brain’s saddle (sella turcica) grows very large, it presses on the crossing nerves. This often causes the person to lose sight in the outer half of both eyes, a problem called:
Seeing only half of the picture on one side
Seeing a dark spot in the middle
Tunnel vision (Bitemporal Hemianopsia)
Total blindness in one eye
Losing sight in the upper corner
Anatomy & Endocrinology – I. Glands (Endocrinology). If a surgeon needs to remove the parathyroid glands, the small glands that control calcium, they must be careful because these glands get most of their blood from which major neck artery?
Superior thyroid artery
Outside carotid artery
Inferior thyroid artery
Middle thyroid artery
Face artery
Anatomy & Endocrinology – I. Glands (Endocrinology). The right adrenal gland (above the kidney) has a very short vein that drains its blood directly into the body’s largest vein, which is called the:
Right kidney vein
Aorta
Inferior vena cava
Liver vein
Phrenic vein
Anatomy & Endocrinology – I. Glands (Endocrinology). Which layer of the adrenal gland's outer part (cortex) is responsible for making the hormones that control sugar (glucocorticoids)?
The inner net-like layer
The outer round-ball layer
The middle bundle layer (zona fasciculata)
The inside core (medulla)
All layers make sugar hormones
Anatomy & Endocrinology – II. Pelvic Bones, Joints, and Muscles. The joint that connects the left and right pubic bones at the front of the pelvis is a type of joint that uses a strong cushion called fibrocartilage. This joint is called a:
Sliding joint
First type cartilage joint
Second type cartilage joint (symphysis)
Rope-like joint
Bone fusion joint
Anatomy & Endocrinology – II. Pelvic Bones, Joints, and Muscles. If a woman has a difficult childbirth, the group of muscles that forms the floor of the pelvis and holds up all the organs might be injured. What is the name of this main muscle group?
Piriformis
Inner thigh muscle
Levator ani muscle
Coccygeus muscle only
Deep layer muscle
Anatomy & Endocrinology – II. Pelvic Bones, Joints, and Muscles. The important nerve for feeling and movement in the groin and bottom area (pudendal nerve) travels through a special canal. This tunnel is found in the wall of the fat-filled space beside the anus. The canal is named after which doctor?
Hunter’s canal
Carpal tunnel
Alcock’s canal
Inguinal canal
Femoral canal
Anatomy & Endocrinology – II. Pelvic Bones, Joints, and Muscles. The piriformis muscle passes out of the pelvis through the largest opening (greater sciatic foramen). Which major nerve travels below this muscle and is the largest nerve in the body?
Pudendal nerve
Obturator nerve
Sciatic nerve
Femoral nerve
Superior gluteal nerve
Anatomy & Endocrinology – II. Pelvic Bones, Joints, and Muscles. A woman has her bladder pushing into her front vaginal wall (cystocele). This problem is caused by weakness in the strong sheet of tissue (fascia) that separates the bladder and the vagina, called the:
Rectovesical sheet
Pubocervical fascia
Uterosacral band
Cardinal band
Back pouch of Douglas
Anatomy & Endocrinology – III. Reproductive Organs. The uterine artery (the main blood vessel to the womb) travels to the uterus inside a thick, supporting band of tissue. This band is called the:
Suspensory ligament
Round ligament
Cardinal ligament (transverse cervical)
Uterosacral ligament
Broad ligament
Anatomy & Endocrinology – III. Reproductive Organs. When a surgeon is tying off the uterine artery during surgery, they must be very careful not to accidentally clamp the tube that carries urine (the ureter). The ureter is found immediately under the artery next to the:
Top part of the womb (fundus)
Fallopian tube
Neck of the womb (cervix)
Bladder dome
Ovarian blood vessels
Anatomy & Endocrinology – III. Reproductive Organs. The main blood vessel for the ovary (ovarian artery) travels down from the abdomen inside the long band of tissue called the:
Ovarian ligament
Broad ligament
Suspensory ligament of the ovary
Round ligament of the uterus
Uterosacral ligament
Anatomy & Endocrinology – III. Reproductive Organs. In older men, the prostate gland often swells up (BPH). The part of the prostate that gets big and squeezes the urine tube (urethra) is called the:
Back layer
Middle layer
Transition layer
Front muscle layer
Central layer
Anatomy & Endocrinology – III. Reproductive Organs. The vein carrying blood away from the left testicle drains into the left kidney vein first. This difference, compared to the right side, causes the left side to be much more likely to develop what problem?
Fluid sac (hydrocele)
Swollen tubes (epididymitis)
Varicocele
Twisted cord (torsion)
Undescended testicle
Anatomy & Endocrinology – III. Reproductive Organs. The tube that carries sperm from the testicle (ductus deferens) joins the duct from which other gland to form the ejaculatory duct?
Prostate gland
Cowper’s gland
Seminal vesicle
Epididymis
Urethral gland
Anatomy & Endocrinology – III. Reproductive Organs. The small bulbourethral glands (Cowper’s glands) are located inside which specific muscle layer deep in the groin area?
Psoas major muscle
Rectus abdominis muscle
External urethral sphincter muscle
Cremaster muscle
External anal sphincter
Anatomy & Endocrinology – III. Reproductive Organs. The round ligament of the uterus is a tough cord that runs through the groin area (inguinal canal) and ends up near the outer lip of the female genitalia (labium majus). This ligament is what is left of the:
Old umbilical artery
Müllerian duct
Gubernaculum
Urachus
Mesonephric duct
Anatomy & Endocrinology – III. Reproductive Organs. Cancer cells from the prostate gland often spread quickly to the spine (vertebrae) and brain. This spread happens because the veins around the prostate connect directly to the special network of veins in the spine that have no valves. This network is called:
Portal vein system
Caval vein system
Azygos vein system
Batson’s plexus (internal vertebral venous plexus)
Femoral vein system
Anatomy & Endocrinology – III. Reproductive Organs. Lymph fluid from the outer skin of the scrotum and the outer groin area drains first into the lymph nodes located in the:
Deep inguinal
Para-aortic
Superficial inguinal
Internal iliac
External iliac
Laryngeal cartilages develop from:
First pharyngeal arch
Second pharyngeal arch
Fourth and sixth pharyngeal arches
Third pharyngeal arch
Recurrent laryngeal nerve is a branch of:
Glossopharyngeal nerve
Facial nerve
Vagus nerve
Hypoglossal nerve
Thyroid gland develops from:
Foramen cecum
Second pharyngeal pouch
Third pharyngeal pouch
Fourth pharyngeal arch
Inferior parathyroid glands develop from:
Second pharyngeal pouch
Third pharyngeal pouch
Fourth pharyngeal pouch
Thyroglossal duct
Histologically, thyroid follicles are lined by:
Stratified squamous epithelium
Simple cuboidal epithelium
Simple columnar epithelium
Internal Jugular Vein terminates at the level of which one of the following structures?
Foramen magnum
Hyoid bone
Thyroid cartilage
Sternoclavicular joint
1st rib
Which one of the following structures is enclosed by the investing layer of deep cervical fascia?
Carotid artery
Parotid gland
Strap muscles
Thyroid
Trachea
The neuroepithelial cells proliferate in the distal end of the infundibulum and differentiate into one of the following components of the hypophysis cerebri:
Nerve fibers
Nerve cells
Pituicytes
Endothelial cells
Reticular cells
One of the following parts of the adrenal gland is not recognizable before the age of three years:
Zona reticularis
Zona fasciculata
Zona glomerulosa
Medulla
Capsule
A 4-year-old child was brought to the pediatric OPD with a history of swelling in the neck region. The father of the patient told that this painless swelling was small initially but now progressively increasing in size. On examination, the swelling is present just below the hyoid bone in the midline and is a movable mass. No oozing of fluid was noticed, and the skin was intact. These signs and symptoms suggest the following diagnosis:
External cervical sinus
Thyroglossal duct sinus
Branchial cyst
Thyroglossal duct cyst
Internal cervical sinus
The following endocrine gland is the first one to develop in the embryo:
Adrenal
Thyroid
Parathyroid
Pituitary
Pineal
The Pancreatic Islets of Langerhans develop from one of the following sources:
Endoderm
Surface ectoderm
Neural crest cells
Lateral plate mesoderm
Neuroectoderm
A 2-year-old child was diagnosed with DiGeorge syndrome, which includes frequent infections, feeding problems, and hearing difficulty. This condition is due to failure of the development of structures from which component of the pharyngeal apparatus?
First arch and pouch
Second and third arch
Third and fourth pharyngeal pouches
First cleft and membrane
Cervical sinus and second pouch
A histology slide from male genital ducts shows cut sections of ducts lined by pseudostratified columnar epithelium with stereocilia. The ducts are supported by a thin layer of smooth muscle. This is a slide of which of the following ducts?
Epididymis
Rete testis
Vas deferens
Efferent ductules
Straight tubules
The deeply acidophilic spherical cells having round nuclei, present in the interstitial tissue of the testes either isolated or in clusters are:
Fibroblasts
Myoblasts
Leydig cells
Sertoli cells
Spermatid
A 28-year-old lactating mother reported with pain and tenderness in the right breast. The infection did not spread to other lobes due to the presence of:
Smooth muscles
Ductal system
Superficial fascia
Fibrous septa
Alveoli
A 47-year-old female had a Pap smear examination of the ectocervix. This part of the cervix is covered by which type of epithelium?
Pseudostratified
Simple columnar
Stratified columnar
Stratified squamous non-keratinized
Stratified squamous keratinized
