aVLET selected lectures – credit test

   Only one correct answer = 1 point Date: ………………………… Name: …………..………………………….

    1   The inflow of primitive heart tube is:

        a) bulbus cordis

        b) ventricle

        c) truncus arteriosus

        d) sinus venosus

    2   To the congenital malformations without shunt belongs:

        a) ventricular septum defect

        b) Fallot tetralogy

        c) aortic stenosis

        d) transposition of great vessels

    3   Fate of pairs of aortic arches:

        a) 1st pair develops into common carotid arteries

        b) 2nd pair degenerates

        c) 3rd pair degenerates

        d) 5th develops into aortic arch on the left and subclavian artery
        on the right

    4   Which statement about pharyngeal (branchial) apparatus is NOT
        correct?

        a) 1st membrane obturans develops into tympanic membrane

        b) 1st endodermal pouche develops into meatus acusticus ext.

        c) 2nd ectodermal groove fuse with grooves 3 and 4 into sinus
        cervicalis which degenerate d) 2nd endodermal pouche develops into
        fossa tonsillaris + palatine tonsil

    5   Which statement about digestive tube is NOT  correct?

        a) total rotation of the gut is 270°

        b) hepatocytes originate from endoderm

        c) endocrine cells of pancreas originate from mesenchyme

        d) umbilical loop rotates around a. mesenertica sup.

    6   Which statememnt about development of urinary system is correct?

        a) Wolffian duct is lined with endoderm

        b) ureteric bud grows from lateral wall of Wolffian duct

        c) mesonephros produces primitive urine during 5th week

        d) nephron does not develop from ureteric bud

    7   By fusion of caudal pole of one and cranial pole of the other kidney
        arises:

        a) ren arcuatus (horse shaped kidney)

        b) ren sigmoideum

        c) polycystic kidney

        d) hypoplastic kidney

    8   Which statememnt about development of reproductive system is
        correct?

        a) primary medullary sex cords develop into tubuli seminiferi
        contorti

        b) primary medullary sex cords develop into ovarian follicles

        c) ductuli efferentes of epididymis develop from, mesonephric ducts

        d) primary germ cells arise from yolk sac

    9   Which statememnt about development of external genital is NOT
        correct?

        a) labio-scrotal swellings give rise to scrotum in male

        b) urethral (cloacal) folds give rise to corpus penis in male

        c) labio-scrotal swellings give rise to labia minora in female

        d) non-fused urethral (cloacal) folds give rise to vestibulum
        vaginae in female

    10  Failure of formation and migration of primordial germ cells results
        in:

        a) Turner’s syndrome

        b) Klinefelter’s syndrome

        c) pseudohermafroditism

        d) gonadal agenesis

    11  Failure of urethral folds to fuse would be expected to result in:

        a) epispadias

        b) extrophy of urinary bladder

        c) fisura of the ureter

        d) hypospadias

    12  Which statememnt about development of endocrine glands is NOT
        correct?

        a) adenohypophysis develops from ectoderm

        b) parafolicular cells of thyroid glands develops from neural crest

        c) foramen caecum is rudiment of development of thyroid gland

        d) cortex of adrenal gland develops from coelomic mesothelium

    13  Which statememnt about development of endocrine glands is correct?

        a) epiphysis develops from Rathke’s pouch

        b) follicular cells of thyroid gland develop from endoderm

        c) a pair of superior parathyroid glands originates from 3rd
        ectodermal pouches

        d) medulla of adrenal gland is of neural crest origin

    14           Name the primary and  secondary brain vesicles are:

        1 –                            1 –

        2 –                            2 –

        3 –                            3 –

                                       4 –

                                       5 –