A malignant tumor of the germ cell of the retina is:
A) retinitis.
B) retinoblastoma.
C) retinopathy.
D) retinal.
B
Explanation:
A) Retinitis is inflammation of the retina.
B) Correct.
C) Retinopathy is disease of the retina.
D) Retinal means pertaining to the retina.
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Which of the following is the male sex cell?
A) zygote B) sperm (spermatozoa) C) egg (ova) D) gamete
The term heart valve stenosis refers to a valve that is:
A) too large. B) too loose. C) too small. D) too stiff.
A medical term that means fatty substance tumor/mass is ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is false regarding HLA-G?
a. It is expressed as transmembrane or secreted forms. b. It binds to LILRB1 inside endosomes of NK cells. c. It stimulates the production of angiogenic factors by activating NK cells. d. It is expressed exclusively by extravillous trophoblast cells. e. It engages inhibitory receptors on uterine NK cells.