Med surg test 1 Flashcards
How do certain stressors come up in our lives?
Latent viruses
Stress is a risk factor for _____ cancer….
breast
What are some other things that have a tendency to flare up when an individual is stressed?
IBS
gastric pain
ulcers
Chrons disease
What neurohormone prepares the body for action?
Cortisol; increases mental alertness
What is “a response of the body to any demand made on it”?
Stress
What is “anything that induces stress, physical, emotional, psychological, etc.”?
Stressors
Who developed the GAS theory?
Hans Seyle
What is the first stage in the GAS theory?
Alarm
What happens during the Alarm stage?
Fight or flight
What is the second stage of the GAS theory?
Resistance
What does the body try to do during the resistance stage?
adapt/ conquer
What is the last stage of the GAS theory?
Exhaustion
What happens during the exhaustion part?
Terminal normally. The body has used all of its power to get better but ultimately cannot beat whatever it is
What stage happens in response to stress or activation of the sympathetic nervous system?
Alarm
What are some of the physiological things that happen during the fight of flight?
pupils dilate
Increased HR and CO
Myocardium pumps more efficiently
RR deepens
GI motility decreases
Urinary system does work as hard
Glucagon makes more blood sugar
Increased EPI and NOREPI
What are the three “stasis” that Dr. Clarke discussed?
Stasis of mucus
Stasis of blood
Stasis of urine
What can happen with a stasis of mucus
HAI pneumonia
What can happen with a stasis of blood?
HAI DVT
What can happen with a stasis of urine?
HAI UTI
What is the stage that discusses the resistance determined by the physical state, number of stressors, and coping abilities?
Resistance
What is the stage that all the energy for adaptation is exhausted and may return to the alarm phase or be fatal
Exhaustion stage
What includes comprehensibility, manageability, and meaningfulness?
A sense of coherence
What term is associated with the thought that things happen for a reason?
Comprehensibility
What term is associated with the concept that resources are available?
Manageability
What is the term that is associated with the thinking that things are work doing and taking on?
Meaningfulness
What term deals with one’s problem-solving and flexibility?
Resilence
What is the “I can attitude”
Optimism/ Good attitude.
What are a few physiologic things that happen under stressors?
Lowering of the NKC, lymphocytes, decreasing phagocytosis, and issues with cytokines
What is the study of blood, and blood forming tissues includng blood cells and marrow
Hematology
What is the soft center of the bone that creates stem cells?
Bone marrow
What are the two most common sites for bone marrow aspirate?
Iliac crest and sternum
Normal value for erythrocytes for men?
4-6
Normal value for erythrocytes for females?
4-5
What lab value is the combination of heme (iron) and globin (protein) and represents the O2 carrying capacity of RBCs
Hemoglobin
Normal HGB value for men?
13-17
Normal HGB value for women?
12-16
What lab value is the % of RBCS compared to whole blood and is the quickest way to tell about the persons’ blood value/loss?
Hematocrit
Normal HCT value for men?
30%-50%
Normal HCT value for women?
35%-47%
What is the lab value that is the measure of RBC size?
Mean Corpuscular Volume
Normal MCV value?
80-100
What is the lab value that is looking at the weight of the cell?
Mean Corpuscular Hemeglobin
Normal MCH
value?
27-34
What is the lab value that looks at the average concentration and percentage of hemoglobin withing a SINGLE RBC?
Mean Corpuscular Hemoglobin Concentration
What is a lay mans term for MCHC?
Looking at the wonky RBCs even though the rest could be normal
Normal value for WBCs?
5000-10000
Normal value for Neutrophils?
2500-8000 (under 8k)
WBCS work together so typically, if WBCs are elevated, then Neutrophils would _____
Be increased
Hematocrit and hemoglobin are ______ related
Directly
When WBCs are above 10,000 and very immature it is a ______ shift.
Left
When WBCs are less than 5,000 and very mature, it is a _______ shift
Right
What does a left shift mean?
Active infection in the immune system
What does a right shift mean?
Immunocompromised or chronic condition
What is the disorder when WBCs are less than 4,000 and neutrophils are less than 1,000
Leukopenia and neutropenia
What are some clinical considerations for leukopenia and neutropenia?
Neutropenic precaution
Handwashing
Private room
No fresh flowers or garden veggies
Screen visitors
Frequent vitals (Q2)
Normal value for platelets?
150,000-400,000
What are critical values for platelets?
Less than 10,000 and more than 1 million
Platelets are activated by _________
Intersistial collagen
What happens if there are too many platelets?
TOO MUCH CLOTTING
What are the treatment options for too many platelets (thrombocythemia)
Dialysis and Heparin
Which organ filters old RBCs, stores RBCs, store lymphocytes and monocytes and SEQUESTERS 30% of the body’s platlets?
The spleen
After a splenectomy, what is the nursing priority infection prevention or bleeding?
Infection
Stem cell production drops after ____ and again after _____.
30; 65
Hemoglobin drops after _______ age
Middle
Lab value that looks ate the rate at which RBCs settle in saline over a specific time frame?
Erythrocyte Sedimentation Rate
ESR is __________
NONSPECIFIC
Normal ESR value?
Less than 30; women’s are higher than men’s
What iron studies looks at what iron is combined with protein?
Serum iron
What iron studies looks at the protein available to bind with proteins?
TIBC
Which iron studies are inversely related ?
TIBC and serum iron
Which iron studies looks at the major iron storage protein?
Ferratin
Which iron studies looks at the largest protein; has a low affinity to iron and is the last to bind?
Transferrin
Which iron studies are directly related. “They do the dance together”
Transferrin and TIBC
Ferratin and Serum iron
A PT test is an assessment of clotting time for patient’s on ___________
Warfarin
Universal test; transfers from hospital to hospital for patient’s on Warfarin
International Normalized ratio
A PTT test is an assessment of clotting time for patient’s on _________
Heparin
Therapeutic range for INR
2-3.5
Normal range for INR
0.5-1.2
Normal range for PTT
25-35
Therapeutic range for PTT
60-70
Normal range for PT
11-16; therapeutic should be higher
Normal level for serum iron?
50-175
Normal level for TIBC
250-425
Normal level for Ferratin?
10-250
Normal level for Transferrin?
190-380