KROK 1 2013 – Question 74 · KROK (Medicine) · Histology, Cytology, and Embryology
A specimen of pia mater includes a vessel whose wall doesn’t have the tunica media, the tunica externa is adherent to the surrounding tissues, the intima is composed of a basement membrane and endothelium. What vessel is it?
- A. Artery of mixed type
- B. Nonmuscular vein
- C. Muscular artery
- D. Arteriole
- E. Muscular vein with underdeveloped muscular elements
Hint
Note which wall layer is absent from this vessel, and ask what kind of vessel can work without a contractile coat.
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
- A histological specimen of the eyeball shows a biconvex structure connected to the ciliary body by the fibers of the Zinn’s zonule and covered with…
- A specimen shows an organ covered with the connective tissue capsule with trabeculae radiating inward the organ. There is also cortex containing…
- Alveolar space of the acinus was invaded by some bacteria which interacted with the surfactant. This led to the activation of the cells that are…
- Negative environmental factors have caused the dysfunction of myosatellite cells. What function of the whole muscle fibre is likely to be changed in…
- A specimen of a parenchymal organ shows poorly delineated hexagonal lobules surrounding a central vein, and the interlobular connective tissue…
- As a result of a mechanical injury an over 10 cm long portion of a peripheral nerve was damaged. This led to the impairment of the upper limb…