2016 anatomy midterm

Question 1

Which structure is more anterior to the thoracic inlet?
  a- right subclavian artery     
  b- SVC
  c- vagus nerve
  d- thoracic duct

Answer 1

b- SVC

Question 2

What is found in the stroma of lymphoid organs?
  a- areolar CT
  b- dense regular CT
  c- dense irregular CT
  d- reticular CT

Answer 2

d- reticular CT

Question 3

Supplement of which agent reduces the incidence of neural tube defects?
a- folic acid
b- valporic acid
c- retinoic acid

Answer 3

a- folic acid

Question 4

What is a mature ovarian follicle called?
a- antral follicle
b- primary follicle
c- graafian follicle

Answer 4

c- graafian follicle

Question 5

Which cell junction forms cell-matrix junctions?
  a- gap junctions 
  b- hemi- desmosome 
  c- zonula occludens
  d- adherens junction

Answer 5

b- hemidesmosome

Question 6

What is the type of epithelium that has keratin?
a- stratified columnar
b- stratified cuboidal
c- stratified squamous

Answer 6

c- stratified squamous

Question 7

From which structure does the fetal component of the placenta develop?
  a- Allantois 
  b- amnion
  c- chorion 
  d- connecting stalk

Answer 7

c- chorion

Question 8

Which type of CT forms the tendon?
  a- areolar
  b- dense regular 
  c- dense irregular
  d- reticular

Answer 8

b- dense regular

Question 9

Which of the following WBC can differentiate further?
a- neutrophil
b- basophil
c- monocyte

Answer 9

c- monocyte

Question 10

What is the cause of most congenital malformations?
a- infectious agents
b- multifactorial agents
c- genetic mutations

Answer 10

b- multifactorial agents

Question 11

Which statement is true about the abdominal plane?
a- Transpyloric passes through L1
c- Subcostal passes through L2
b- Transpyloric passes through L3

Answer 11

a- Transpyloric passes through L1

Question 12

What is the morphological structure of the parietal bone?
  a- long
  b- short 
  c- flat 
  d- irregular

Answer 12

c- flat

Question 13

What is derived from the megakaryocytes?
a- platelets
b- monocytes
c- neutrophils

Answer 13

a- platelets

Question 14

Which bone does not belong to the axial skeleton?
  a- femur 
  b- rib
  c- skull
  d- vertebra

Answer 14

a- femur

Question 15

which of the following shows the least movement during muscle contraction?
  a- belly 
  b- origin 
  c- insertion 
  d- raphe

Answer 15

b- origin

Question 16

From which artery do superior and inferior gluteal arteries arise from?
  a- internal iliac artery 
  b- external iliac artery 
  c- abdominal aorta
  d- common iliac artery

Answer 16

a- internal iliac artery

Question 17

From which layer does the urogenital system develop?
a- lateral plate mesoderm
b- paraxial mesoderm
c- intermediate mesoderm

Answer 17

c- intermediate mesoderm

Question 18

Where is simple squamous epithelium found?
a- skin
b- alveoli
c- intestine

Answer 18

b- alveoli

Question 19

What is found in the secondary chorionic villi?
a- cytotrophoblast + mesenchymal core
b- cytotrophobalst + maternal blood vessels

Answer 19

a- cytotrophoblast + mesenchymal core

Question 20

The extraembryonic mesoderm splits into 2 layers that are located between
a- syncytiotrophoblast and exocoelomic membrane
b- hypoblast and epiblast
c- cytotrophoblast and exocoelomic membrane

Answer 20

c- cytotropoblast and exoceliomic membrane

Question 21

What pair is present in microvilli?
a- villin – erzin
b- spectrin – villin
c- dynein – nexin

Answer 21

b- spectrin – villin

Question 22

What is an indication of mature (full term) placenta?
a- cotyledons
b- decidua parietals
c- umbilical cord

Answer 22

a- cotyledons

Question 23

Which structure releases enzymes that prevent other sperms to enter the oocyte?
a- cortical granules
b- the nucleus of the oocyte
c- the sperm that entered

Answer 23

a- cortical granules

Question 24

What is the source of the three germ layers (ecto-meso-endoderm)?
a- hypoblast
b- epiblast

Answer 24

b- epiblast

Question 25

What is the result of mitosis of oogonium? a- primary oocyte b- secondary oocyte c- first polar body

Answer 25

a- primary oocyte

Question 26

``` What is a characteristic (main feature) of endocrine glands? a- ducts b- CT c- secretory acini d- sinusoid ```

Answer 26

d- sinusoid

Question 27

What best characterizes the abdominal wall? a- thoracolumbar fascia covering the rectus sheath b- scarpa fascia covering the superior thigh c- the deep fascia is scarpas fascia d- superficial fascia contain camper

Answer 27

d- superficial fascia contain camper

Question 28

What is the cavity of grafian follicle called? a- antrum b- aminiotic cavity

Answer 28

a- antrum

Question 29

What describes the serous acinar gland? a- it has round centrally located nuclus c- flat basal nuclei b- it has highly viscous mucin secreted by exocytosis

Answer 29

a- it has round centrally located nuclus

Question 30

``` Which anatomical term best describes an organ that is located near the head? a- medial b- superior c- inferior d- anterior ```

Answer 30

b- superior

Question 31

``` Which muscle forms the floor of the pelvic diaphragm? a- levator ani b- deltoid c- obturator internus d- piriformis ```

Answer 31

a- levator ani

Question 32

At which vertebral level to esophagus penetrate the diaphragm? a- T8 b- T10 c- T12

Answer 32

b- T10