Assume that random guesses are made for 7 multiple-choice questions on a test with 4 choices for each question.  Identify p, the probability of randomly getting a question right by randomly guessing. Round to hundredths if necessary. 

How many possible unlock codes are there on a phone with a 4 digit unlock code and numbers can be repeated? Example: 1111 is allowed. 

What term is used for disorders resulting from the immune system attacking “self” cells?  

A nurse is providing care to a client with anxiety. The client’s history reveals use of defense mechanisms. Which information would the nurse need to integrate into the plan of care about the use of defense mechanisms in persons with anxiety disorders is accurate? Select ALL that apply.  

Name the formed element that is a cell fragment.

What type of T cell does not respond to a foreign antigen on first exposure, but will respond rapidly upon subsequent exposure?

 Platelets are cell fragments that are released by what type of cell?

 Proteins in the blood plasma contribute to which of the following factors?

 What role does the lymphatic system have in influencing body fluids?

According to Freud, ego defense mechanisms are methods of attempting to protect the self and cope with basic drives, emotionally painful thoughts, feelings, or events. Which of the following would be considered ego defense mechanisms? Select ALL that apply.