TN Practice Test

Question 1

What are derivatives of the ectoderm?

Answer 1

1. Surface ectoderm
2. Neural tube (CNS, spinal cord, retina except microglia)
3. Neural crest (ELMOPASSES)

Question 2

What are derived from the mesoderm?

Answer 2

1. Middle structures (serous lining, cardiovascular system)
2. Microglia
3. Muscle, CT, specialized CT (blood, bone, cartilage)

Question 3

What are derived from the endoderm?

Answer 3

Gut wall epithelium

Question 4

Profuse bleeding in scalp lacerations is located in?

Answer 4

Dense connective tissue

Loose areolar connective tissue: emissary veins (infection spread)

Question 5

What are primitive derivatives of the brain?

Answer 5

Forebrain - Telen/Dien
Midbrain - Mesen
Hindbrain - Meten/Myelen