KROK 1 2020 – Question 137 · KROK (Medicine) · Histology, Cytology, and Embryology
During gastrulation, three germ layers are being formed (ectoderm, endoderm, and mesoderm). Later they develop into tissues and organs. Ectoderm, in particular, develops into:
- A. Hepatic cells
- B. Blood and lymph
- C. Intestinal epithelium
- D. Neural tube
- E. Skeletal muscles
Hint
Trace each listed structure back to its germ layer of origin, then pick the one that arises from the outermost layer.
The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.
More questions on Histology, Cytology, and Embryology
- An electronic microphotograph shows a fragment of the proper gastric gland. In the photograph there is a large irregular rounded cell with numerous…
- A patient had her tooth extracted in a dental clinic. Stratified squamous epithelium regenerated two weeks later. What organelles took part in the…
- The study of a blood smear obtained from a patient with an inflammatory process detects a large number of round cells with a segmented nucleus…
- A patient has been diagnosed with chronic gastritis. Intragastric pH-metry detects decreased acidity of the gastric juice. What cells have a reduced…
- In a scientific experiment, a structure in one of the cell components has been destroyed, impairing the cell’s ability to divide. What structure has…
- Alveoli of the lungs have special cells, through which gas exchange occurs. These cells are a part of the blood-air barrier. Name these cells.