What does the bonfire symbolize?

Ketamine is a dissociative anesthetic that is frequently used as an off-label treatment for PTSD. Which statement(s) about ketamine and PTSD is(are) false?

Glucocorticoids are steroid hormones that usually enhance the immune responses when an individual is suffering from severe stress 

Which of these is the body’s first line of defense  

Steroid hormones work by 

Which of these is true about CD4 T cells

Negative and positive selection refer to 

Growth hormone main targets 

The administration of antivenom is an example of 

Regulates calcium levels by signaling osteoclasts [s]