A/An ________ is neutral without an electrical charge
Fill in the blank(s) with correct word
neutron
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Which of the following statements regarding the mechanisms necessary for proper vision is inaccurate?
A) Eye muscles are correctly coordinated so that both eyes move together. B) The correct amount of light is admitted by the ciliary body. C) Light is correctly focused onto the retina by the lens. D) The optic nerve transmits sensory images to the brain.
A medical term that means pertaining to the esophagus is ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is incorrect regarding sphingosine 1-phosphate (S1P) and its receptor?
a. It is a lipid that has chemotactic activity. b. S1P gradients are established in lymph nodes with lowest concentrations in T-cell areas. c. CD69 upregulates S1P receptor expression on the surface of naive T cells. d. S1P is synthesized by all cells.
Throat cultures help diagnose strep throat
Indicate whether the statement is true or false