NR75.1A Homeostasis

  1. Blood clotting is an example of positive or negative feedback?
    Positive
  2. Temperature regulation is an example of positive or negative feedback?
    Negative
  3. When we are frightened, this part of the brain raises our vitals.
    Medulla
  4. T or F: reticular formation is responsible for our arousal
    True
  5. What stage are we in when our body is trying to reduce the effects of adrenaline?
    Resistance stage
  6. T or F: the Parasympathetic redirects the blood flow to the skeletal muscle, which also increases our vitals.
    False: The sympathetic does this
  7. Based on the actions of the hypothalamus, I would expect 




    C. Blood pressure to increase and urine output to decrease
  8. Which part of the brain increases ADH and causes peripheral vasoconstriction?
    the Hypothalamus
  9. How do our hands become cold under constant stress?
    • During stress, the hypothalamus directs posterior pituitary to increase ADH:
    •  - this causes water retention, but also peripheral vasoconstriction that causes the cold hands.
  10. How does cortisol affect our body?
    Released from the Adrenal Cortex by the Ptuitary, it amplifies SNS effects (HR, BP, glucose production)
  11. Does a patient with depression and low self-esteem more likely to have high or low cortisol?
    High
  12. What is the function of Aldosterone?
    Increase sodium, water retention, and K excretion
  13. T or F: during an acute episodic stress related event, all immunity is suppressed.
    False: Though general effect of stress is immune suppression, certain immune cells like NKCs and cytokines are increased.
  14. How can stress cause GI issues?
    Stress response shunts blood away from skin and abdomen. When this occurs, the protective barrier in the stomach can lead to ulceration and bleeding from the stomach's acid.
  15. What drugs are given to people who have stress related GERD to help with ulcers.
    Ranitidine and Pantoprozole (Proton pump inhibitors)
  16. Primary appraisal is:



    A. Evaluating an event for its personal meaning
  17. Secondary Appraisal is:



    A. focuses on possible coping strategies
  18. Coping is:



    A. person's effort to manage stress and use adaptive behaviors
  19. This type of defense mechanism to deal with stress that is psychological is called ____.
    Ego-defense mechanism
  20. "When a person suppresses a stressful feeling, and transforms it into something else, like insomnia or loss of appetite for example" 

    What is this term?



    A. conversion
  21. Transferring stressful emotions into an object, like using a punching bag, is called:




    B. displacement
  22. a return to a former or less developed state as a way to escape present anxieties is:




    B. regression
  23. This is a mental process that causes a lack of connection in a person’s thoughts, memory and sense of identity:




    A. dissociation
  24. This kind of amnesia is when a person tends to forget events associated with the stressor 



    B. depersonalization
  25. This is when someone has a feeling that one's surroundings are not real.



    B. derealization
  26. What are two types of medications used to help treat PTSD?
    SSRI (antidepressants) and anxiolytics (anti-anxiety)
Author
edeleon
ID
326734
Card Set
NR75.1A Homeostasis
Description
lecture notes only
Updated