2017 anatomy midterm

Question 1

What is the derivative of the paraxial mesoderm?

a. Vertebrae
b. Epidermis
c. Liver
d. Kidney

Answer 1

a. Vertebrae

Question 2

Which of the following is part of the appendicular skeleton?

a. Femur
b. Ribs
c. Skull
d. Vertebrae

Answer 2

a. Femur

Question 3

Which structure develops into the nucleus pulposus?

a. Endoderm
b. Mesoderm
c. Neural crests
d. Notochord

Answer 3

d. Notochord

Question 4

Which tissue binds most organs together?

a. Adipose
b. Loose CT
c. Dense CT
d. Muscular

Answer 4

b. Loose CT

Question 5

What is one characteristic of myoepithelial tissue?

a. Sensory function
b. Contractile function
c. Duct
d. Neuronal function

Answer 5

b. Contractile function

Question 6

Which is the correct order of events?

a. Acrosomal reaction, capacitation, implantation, cleavage
b. Acrosomal reaction, capacitation, cleavage, implantation
c. Capacitation, acrosomal reaction, implantation, cleavage
d. Capacitation, acrosomal reaction, cleavage, implantation

Answer 6

d. Capacitation, acrosomal reaction, cleavage, implantation

Question 7

Which structure stains lightly in the routine stain?

a. Intra-lobular duct
b. Mucous acini
c. Serous acini

Answer 7

b. Mucous acini

Question 8

Which type of synovial joint the most freely movable?

a. Ball & socket
b. Hinge
c. Plane
d. Saddle

Answer 8

a. Ball & socket

Question 9

What does the stroma of lymphoid organs consist of?

a. Areolar connective tissue
b. Dense regular connective tissue
c. Adipose tissue
d. Reticular connective tissue

Answer 9

d. Reticular connective tissue

Question 10

Which developmental defect arises due to the decrease in the amniotic fluid?

a. Clubfoot
b. Microcephaly
c. Sirenomelia
d. Spina bifida

Answer 10

a. Clubfoot

Question 11

What proteins are present in microvilli?

a. Villin & spectrin
b. Villin & erzin
c. Cadherins & erzin
d. Actin & cadherins

Answer 11

a. Villin & spectrin

Question 12

Which nerve supply the perineum?

a. Femoral
b. Obturator
c. Pudendal
d. Sciatic

Answer 12

c. Pudendal

Question 13

Which embryonic germ layer contributes to the formation of the epithelium of the primitive gut and the inner lining of the respiratory tract?

a. Ectoderm
b. Endoderm
c. Paraxial mesoderm
d. Lateral plate mesoderm

Answer 13

b. Endoderm

Question 14

Which statement best describes the abdominal plane?

a. The transpyloric plane passes at L3
b. The transpyloric plane passes at L1
c. The tubercula of the iliac crest passes at level of L5
d. The subcostal plane passes at level of L2

Answer 14

b. The transpyloric plane passes at L1

Question 15

Which of the following are predominant leukocytes?

a. Basophils
b. Monocytes
c. Eosinophils
d. Neutrophils

Answer 15

d. Neutrophils

Question 16

Which statement best describes the abdominal wall?

a. Scarpa’s fascia adheres with the superficial fascia of the thigh
b. The deep fascia of the abdominal wall is scarpa’s fascia
c. Superficial fascia contains camper’s fascia
d. Thoracolumbar fascia covers the rictus sheath

Answer 16

c. Superficial fascia contains camper’s fascia

Question 17

Which landmark on the typical rib is easily fractured?

a. Head
b. Neck
c. Shaft
d. Tubercle

Answer 17

c. Shaft

Question 18

What is the most common congenital cardiac anomaly?

a. Aortic valve defect
b. Mitral valve defect
c. Ventricular septal defect
d. Tricuspid valve defect

Answer 18

c. Ventricular septal defect

Question 19

Which type of CT forms the tendon?

a. Areolar
b. Dense regular
c. Dense irregular
d. Reticular

Answer 19

b. Dense regular

Question 20

In which division of the mediastinum is the heart located?

a. Superior anterior mediastinum
b. Superior middle mediastinum
c. Inferior middle mediastinum
d. Superior posterior mediastinum

Answer 20

c. Inferior middle mediastinum

Question 21

Which of the following cells are equivalent to granulosa cells in males?

a. Sertoli
b. Myoid
c. Spermatogenia
d. Leydig cells

Answer 21

a. Sertoli

Question 22

Which has simple squamous epithelium?

a. Alveoli
b. Stomach
c. Intestine

Answer 22

a. Alveoli

Question 23

Platelets are cell fragments that are derived from?

a. Megakaryocytes
b. Osteocytes
c. Fibroblast
d. Chondrocyte

Answer 23

a. Megakaryocytes

Question 24

Which structure contains enzymes that digest the path of the sperm?

a. Acrosome
b. Flagellum
c. Centriole
d. Pronuclei

Answer 24

a. Acrosome

Question 25

Where can collagen type 2 mainly be found?

a. Bone
b. Cartilage
c. Tendon
d. Skin

Answer 25

b. Cartilage

Question 26

Which of the following is irregular bone?

a. Vertebrae
b. Humorous
c. Patella
d. Bones of the skull

Answer 26

a. Vertebrae

Question 27

Which of the following forms the full term placenta membrane?

a. Endothelium of fetal blood vessels
b. Chorionic plane

Answer 27

no answer given

Question 28

What is the best answer for secondary chorionic villi?

a. Cytotrophoblast + mesenchymal core
b. Cytotrophoblast + fetal blood vessels
c. Cytotrophoblast + maternal blood vessels
d. Syncytiotrophoblast into decidua basalis

Answer 28

a. Cytotrophoblast + mesenchymal core

Question 29

When a person is standing erect, and their arms are semi-probated, what side are his palms facing?

a. Superiorly
b. Posteriorly
c. Medially
d. Anteriorly

Answer 29

c. Medially

Question 30

What is the first haploid cell in gametogenesis?

a. Spermatids
b. Spermatozoa
c. Spermatocyte

Answer 30

a. Spermatids