Rheumatoid arthritis is an autoimmune disease in which the immune system becomes overactive and attacks the body’s own tissues. Which of the following would you expect to be one of the treatments for rheumatoid arthritis? A-Antibiotic ointments
B-Anti-inflammatory medications
C-Blood transfusions
D-Vaccine injections

B anti inflammitory medications

Explanation:

Rheumatoid arthritis, or RA, is an autoimmune and inflammatory disease, which means that your immune system attacks healthy cells in your body by mistake, causing inflammation (painful swelling) in the affected parts of the body. RA mainly attacks the joints, usually many joints at once.

the answer that best describes the relative refractory period in the neuron is the resting membrane potential is restored, but concentrations of sodium and potassium are not restored to their original state.

the refractory period is the time during which another stimulus given to the neuron will not lead to a second potential. thus, because na+ channels are inactivated during this time, additional depolarizing stimuli do not lead to new action potentials.  

read more on -

the answer is a) a shiprock was formed by igneous process