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(A) What structure forms the barrier that keeps charged particles (ions) separated between inside and outside the cell? (1 pt) (B) What is the main function of the sodium/potassium pump? (2 pt) (C) Which ion, sodium or potassium, is usually found at a higher concentration OUTSIDE the cell compared to inside? (1 pt) (D) What happens to cause the increase in voltage during the initial part of an action potential? (2 pts) (E) What happens to cause the decrease in voltage that follows the initial increase during an action potential? (2 pts) (F)  Where do action potentials occur (what part of the neuron)? (2 pts)

(A) The brain is an organ of communication. What type of signal mediates communication within neurons? (1 pt) (B) What type of signal mediates communication between neurons? (1 pt) (C) What do we mean when we say an action potential occurs in an “all or none” manner? (2 pt) (D) In most cases, action potentials DO NOT occur in dendrites. Explain why. (2 pt) (E) Which part (or parts) of the neuron can be wrapped with myelin? (1 pt) (F) What type of brain cell forms myelin? (1 pt) (G) In certain diseases, myelin becomes damaged or destroyed. What do you think happens to electrical signals in neurons of patients who have lost myelin? (2 pt)

(A) There are four primary goals of neuroanatomy. Identify these four goals and provide a brief description or example of each. (2 pts each) (B) Using an example from human or animal studies, explain how we know that different brain areas serve different functions (2 pts).

Which type of fatty acid is associated with cardiovascular disease? 

(True or False) The double helix strand has a parallel orientation. 

_____ determines the acidity of a solution.

Which group of elements on the periodic table follow the octet rule and is considered highly energetically stable?  

A nurse is performing a pre-college physical assessment on an adolescent.  Which of the following immunizations should the nurse anticipate administering? 

A toddler has been diagnosed with bacterial conjunctivitis. Which of the following instructions should the nurse include when teaching the parents about the diagnosis? Select all that apply.

The parents of a 7 year old child with attention deficit hyperactivity disorder (ADHD) have been taught to utilize a behavior modification plan to encourage completion of tasks such as homework. The nurse determines the parents understand appropriate behavior modification techniques when they do which of the following?