Nursing 2700 Fundamentals: Exam Three Flashcards
Define diabetes mellitus
A chronic multi system disease related to abnormal insulin production, impaired insulin utilization, or both
What are some primary prevention measures that can be taken as pertains to alterations in cellular regulation?
Not smoking
Healthy diet
Using sunscreen
Removing at risk tissues like moles or polyps
What are some secondary prevention strategies to prevent alterations in cellular regulation?
Mammograms
Prostate exams
Colonoscopies
PSA tests
The processes of biochemical reactions occurring in the body’s cells that are necessary to produce energy, repair, and facilitate growth of cells and maintain life is known as…
Metabolism
What is glucose regulation?
The process of maintaining optimal blood glucose levels
What is normal blood glucose for a random sampling?
Between 70 and 140 mg/dL
What would be considered hyperglycemia in a fasting state?
Greater than 100 mg/dL
What would be considered hyperglycemia in a normal, non-fasting state?
Greater than 140 mg/dL
What is hypoglycemia?
Insufficient/low blood glucose, usually defined as less than 70 mg/dL
What are the parameters for severe hypoglycemia?
Less than 50 mg/dL
What are the parameters for severe hyperglycemia?
Greater than 180 mg/dL
What are the signs and symptoms of hypoglycemia?
Reduced cognition Tremors Diaphoresis Weakness Hunger Headache Irritability Seizures
What are the signs and symptoms of hyperglycemia?
Polyuria Polydipsia (excessive thirst) Polyphagia (excessive hunger) Dehydration Fatigue Fruity breath odor Kussmaul breathing Weight loss Poor wound healing
Where is glucagon released from and what does it do?
Released from the pancreas, and targets the liver to release stored glucose into the blood to raise blood glucose levels
Where is insulin secreted from and what does it do?
Released from the pancreas, and targets body cells to take up glucose, reducing blood glucose levels
What are some genetic risk factors for the development of diabetes?
Family history of diabetes
Obesity
Low level of HDL cholesterol
Which populations are most at risk for developing T2DM?
African American
Hispanic/latinos
Native Americans
Which specific community has the highest incidence of T2DM in the world?
The Pima Indians of the Gala River community
What are some lifestyle risk factors for the development of diabetes?
Poor diets with high fat intake Excess calorie intake leading to obesity Low fiber intake Too many carbohydrates Lack of exercise Being very old Gestational diabetes
Why does being very old increase diabetes risk?
Reduction in lean muscle mass and insulin production, reducing the body’s capacity to regulate and metabolize glucose
What medical conditions are associated with impaired glucose regulation?
GI problems Vitamin D deficiency Infection, injury, cancer, surgery (all increase need for insulin) Hypothyroidism Cardiovascular disease Cushing syndrome Pancreatitis Cystic fibrosis Corticosteroid use
What is metabolic syndrome?
A clustering of at least three of these conditions: central obesity, hypertension, high blood sugar, high serum triglycerides, and low serum HDL cholesterol
What does metabolic syndrome increase the risk of?
Cardiovascular disease and T2DM
What random blood sugar level is considered pre-diabetes?
Over 140 mg/dL
What is type one diabetes?
The pancreas produces no insulin due to viral or autoimmune destruction of parts of the pancreas
What is the treatment for type one diabetes mellitus?
Insulin injections are necessary, and balanced food intake and healthy lifestyle choices to reduce complications
What are the other health risks of type one diabetes?
Heart disease
Kidney disorders
Retinal damage
What are the three main signs and symptoms of type one diabetes?
Polyuria
Polydipsia
Polyphagia
What is the defining characteristic of T2DM?
Pancreas producing insufficient or defective insulin for the body’s needs
What are the top signs and symptoms of T2DM?
Fatigue
Recurrent infections
Prolonged wound healing
Visual changes
When is gestational diabetes most likely to begin manifesting?
After the 20th week of gestation
What are the negative effects of GDM (during pregnancy and later in life)?
Hypertension during pregnancy Premature birth Large for gestational age baby Congenital abnormalities Future obesity Mother developing diabetes later in life
What are some risk factors for a newborn developing hypoglycemia?
Gestational diabetes mellitus Large for gestational age by weight Small for gestational age by weight Born earlier than 37 weeks APGAR score less than 5
Why are babies born to mothers with diabetes/GDM at risk for hypoglycemia right after birth?
Because maternal glucose crosses the placenta but insulin doesnt, so when the baby is born, they suddenly dont have the glucose levels they are used to and can become hypoglycemic
What are some signs and symptoms of hypoglycemia in infants?
Jitters Irritability Cyanosis Tachypnea Apnea Temperature instability Lethargy Seizures
How soon should blood sugar be screened in infants born to diabetic mothers?
By one hour of age
How soon should infants at risk for hypoglycemia (but not born to diabetic mothers) be screened?
Between one to two hours of age, or when signs of hypoglycemia are observed
What are nursing actions if blood glucose is less than 40 mg/dL in a newborn?
Feed immediately
Confirm blood glucose
Check blood glucose one hour after feeding
What should the nurse do if the infants blood glucose is greater than or equal to 40 mg/dL?
Feed at least every three hours
Assess risk factors to determine screening intervals
All blood glucose screening intervals are every three hours for infants at risk after initial assessment!
However, depending on risk factors, the amount of time this continues for can vary!
Another name for A1C is
Glycated hemoglobin
What does an A1C test tell you?
Average blood sugar level for the past two to three months
What is considered a normal A1C level?
Below 5.7
What A1C score is considered prediabetes?
Between 5.7 and 6.4
How is diabetes confirmed through A1C testing?
An A1C level of 6.5 percent or higher on two separate tests
What random blood sugar level suggests diabetes?
Higher than 200 mg/dL
What fasting blood sugar level is considered prediabetes?
Between 100-125 mg/dL
How is diabetes confirmed though fasting blood sugar levels?
Blood sugar of 126 mg/dL or higher on two separate tests
When an oral glucose tolerance test is done, a score of what after what time period indicates diabetes?
A reading of over 200 mg/dL after two hours
What are the five components of diabetes management?
Nutrition Exercise to maintain proper body fat Self-monitoring of blood glucose Medication Education
What are primary strategies to prevent diabetes?
Avoid excess calorie intake
Exercise for 30-60 minutes at least 3 or 4 times a week
Eat whole grains, fruits, vegetables, lean meats
Low sodium diet
Education about cultural influences
What are secondary prevention strategies for those with diabetes?
Blood pressure and cholesterol management
Keep A1C below 7%
Annual dental, foot, and eye exams
What are the four main factors influencing labor?
Passenger
Passageway
Primary and secondary powers
Position of the mother
What are some determining factors for how the passenger moves through the birth canal?
Fetal head size
Fetal presentation
Fetal lie
Fetal position
How does the fetal head adapt during labor?
The skull bones squish together and come to more of a point to fit through the birth canal
What are the three different types of fetal presentation?
Cephalic
Breech
Shoulder
What is fetal lie?
Relationship of maternal longitudinal axis (spine) and fetal longitudinal axis (spine)
What is the difference in appearance between caput and cephalhematoma? Why?
Caput will cross suture lines, causing more uniform swelling of the head. The blood in a cephalhematoma will not cross suture lines, resulting in more localized swelling
What is the most common pelvis shape in women?
Gynecoid (round)
What is the second most common pelvis shape in women? How does it affect labor?
Anthropoid. It will lead to a longer and harder labor, but it is still possible to have a vaginal birth with this pelvis shape
What is the common term used to describe primary powers?
Contractions
What does the nurse note when assessing primary powers?
Frequency
Duration
Intensity
Where do contractions start in the uterus?
At the top of the fundus, and then they radiate down and in
Which marker determines the fetal station?
Ischial spine
When does effacement happen?
During the first stage of labor
What is effacement?
Shortening, opening up, and thinning of the cervix
What is meant by dilation?
The enlargement/widening of the cervical canal once labor has begun
What is measured with Bishops score?
Dilation: in cm Effacement: percentage score Station: -3 to +3 in relation to ischial spine Position: posterior or anterior Consistency: firm or soft
What bishops score indicates favorability for birth?
Above 5
How is a bishops score given?
Each item can be given a score of 0, 1, or 2 for a maximum of 10
Do dilation and effacement happen simultaneously?
If a woman has had a child before, yes.
If not, effacement happens before dilation
What is meant by secondary powers?
Voluntary bearing down/pushing efforts
What is encompassed in the first stage of labor?
Onset of regular contractions to complete dilation
What are the three phases of the first stage of labor?
Latent phase
Active phase
Transition phase
What characterizes the latent phase of the first stage?
Dilated 0-4 cm
Contractions irregular, mild/moderate, occurring every 5-30 minutes for 30-45 seconds
What characterizes the active phase of stage one of labor?
4-7 cm dilated
Contractions are more regular, moderate to strong, occurring every 3-5 minutes and lasting for 40-70 seconds
What characterizes the transition phase of the first stage of labor?
Dilated 7-10 cm
Strong contractions every 2-3 minutes for 45-90 seconds
When do women need to go to the hospital in the labor process?
It depends for each woman, but if the membranes are broken, she should go (infection risk). Women should go when in true labor, but potentially sooner if a multipara
When does amniotic fluid rupture?
Can occur anytime, but usually happens during the transition phase
How do you test for amniotic fluid?
Nitrazine paper
What is a normal nitrazine paper reading?
Blue from an alkaline pH
What is concerning in a nitrazine paper reading?
Yellow coloring from acid in urine
What is show?
Vaginal discharge
What is encompassed in the second stage of labor?
Full dilation to the delivery of the baby
What happens in the second stage of labor before the baby is born?
Full dilation and intense contractions every 1-2 minutes
What can impact the length of the second stage of labor?
Use of epidural Mother’s age BMI Emotional state Support system Fetal size/position/presentation
What happens in the third stage of labor?
Delivery of the placenta
How long should the third stage of labor last?
Between 15 and 30 minutes
What do nurses worry about as the third stage of labor gets longer?
Postpartum hemorrhage and anemia
How long is the fourth stage of labor?
The first two hours after the delivery of the placenta
What complications are most likely in the fourth stage of labor?
Hemorrhage and sub-involution of the uterus
What are some non-pharmacological methods for pain management during labor?
Lamaze/Bradley techniques Hypno-birthing relation technique Breathing and visualization Water therapy Position changes Massage
What are some pharmacological methods for pain control during labor?
Systemic analgesia Opioids Opioid agonist-antagonist Inhaled analgesia Epidural and intrathecal anesthetic
What is the biggest concern with systemic analgesia?
Neonate respiratory depression
What is the most common inhaled analgesia?
Nitrous oxide
What assessments need to be done on a woman in labor?
Vital signs
Complete assessment upon admission
Focused assessments: vaginal exams
When monitoring the fetus during labor, what is the biggest concern being monitored for?
Perfusion through the placenta to the fetus
What four elements are monitored for the fetus during labor?
Baseline heart rate
Variability
Accelerations
Decelerations
What are the two ways to monitor the fetus externally?
Contractions and ultrasound
How is baseline heart rate for the fetus determined during labor?
The average rate over a 10 minute segment of monitoring is the baseline
When looking at a fetal heart rate strip, what is something you want?
Variability
What could lack of variability indicate?
Lack of oxygen to the fetus
What are some good shapes versus bad shapes on a fetal HR strip?
A V shape, indicating a HR dip, is okay. A shape of a U or W is bad, and might indicate lack of oxygen or problems with the placenta
What are some things that can be determined using Leopold maneuvers?
Number of fetuses
Presenting part of the fetus
Fetal station
Expected location for fetal heart rate
What are hypercontractions?
Contractions that are less than one minute apart
What will help calm down hypercontractions?
Giving fluid (helps the uterus calm/relax)
How many RNs will be present during and immediately after delivery?
Two
What will the primary/mom nurse do during the birth process?
Record times Assist doctor/midwife Monitor for complications Assist with episiotomy/laceration repair Clean up the patient Monitor vitals, fundus, and bleeding Encourage bonding and breastfeeding Give pitocin
What will the baby RN do in the L/D process?
Observe baby for complications
Assess APGAR at one and five minutes
May do baby cares (vaccines, weight, length)
Vital signs every 30 minutes or per policy
Suction mouth and nares
Call NICU if necessary
What will the circulating nurse do during a cesarean birth?
Record times
Observe for breaks in sterility
Helps with patient recovery
What will the baby nurse do during a cesarean birth?
Follow policies
Assess APGAR
Vitals every 30 minutes or as ordered
What must be occurring for labor to be considered true labor?
Cervical dilation bishops score
Regular contractions that are increasing in intensity and frequency
treat all pain, even if the patient is barely dilated
It still hurts
What are some sources of pain during the labor process?
Dilation Effacement Fetal descent and pressure Lacerations Expulsion of placenta
What can the nurse do to support a woman emotionally during labor?
Be present
Get loved ones involved if possible
Listen when the patient verbalizes pain
What are some primary postpartum cares/focuses?
Pain relief
Bladder emptying
Preventing hemorrhage
Bonding/breastfeeding support
What are the two types of episiotomy cuts and what is involved in each?
Midline: cuts only through tissue
Lateral: cuts through muscle and tissue
What are some cultural considerations for labor and delivery?
Culture and involvement of family members/spouse
Beliefs about pain and pain control
Patient autonomy vs cultural expectation and decision making
When should a woman empty her bladder in the labor and delivery process?
Before, during, and after delivery
What is being tested for with the infant heel prick test?
PKU and 50+ other metabolic conditions
When is blood pressure checked on a newborn?
After 24 hours
Define genetics
The study of heredity
Define genomics
The study of the structure of the genome through the mapping and sequencing of DNA
Define epigenetics
The environment’s role in activating and deactivating genes
What is responsible for gene regulation and all cellular activities?
An individual’s DNA sequence
What is the important key point to remember when considering things like epigenetic changes, chemical tags, and cellular reproduction?
There are many ways and many points where things can go wrong genetically, leading to disease
Why is it virtually impossible for there to be genetically identical individuals?
Because such a vast amount of chromosome exchange happens during cell division
What happens when a change in gene DNA nucleotides is caused by incorrect translation in the mRNA?
Disease
What are causes that can lead to cell mutations after conception?
Environmental chemicals Drugs Diet Stress Trauma Aging **can be problems in mother during pregnancy or just factors throughout a person’s lifespan that affect**
Germline mutations
Mutations from inherited DNA in gametes/sex chromosomes that are duplicated in every cell
Somatic mutations
Acquired genetic alterations within cells that may be passed to future progeny of that cell, but are NOT in sperm or egg cells (will not affect future generations)
Define pharmacogenetics
The study of how a person metabolizes medications based on genetic makeup
What are some examples of the use of pharmacogenetics in personalized medicine?
Psychiatry: drug choice and response
Pain management: addition potential
General: minimizing drug side effects
Why is genetic makeup important to consider when a medication is prescribed?
Because genetics plays a role in how the body metabolizes medications
What are some drugs/classes that we currently know have a genetic influence component?
Opioids Antidepressants Statins (cholesterol) Warfarin Folate
What does the ANA Genetics and Genomics Nursing Curricular Guidelines and Outcomes challenge nurses to do?
Recognize personal attitudes about genetics
Advocate for genetic services and patient autonomy
Incorporate genetics/genomics into practices
Tailor genetic info to the specific patient (culture, literacy, etc)
What must a nurse understand when assessing genetic risk?
The relationship of genetics and genomics to health, prevention, screening, treatment, and monitoring
What must the nurse consider when completing physical assessments, collecting personal/family histories, and analyzing information relating to genetics?
Genetic, environmental, and genomic influences and risks
Patient’s knowledge and perceptions of genetics
In the clinical setting, where does the identification of hereditary risk begin?
With the primary care nurse
What information is collected when doing a family history to identify individual and family genetic risk factors?
3 generation family history with names, DOBs, health status of each person, cause of death, medical condition and ages of diagnosis, racial and ethnic backgrounds
What is meant by adult-onset monogenic disorders?
Single-gene disorders that usually manifest in adulthood but can begin in childhood. These are totally hereditary conditions
What is an example of an adult-onset monogenic disorder?
Huntington’s disease
What are multifactorial disorders?
Disorders that stem from a combination of genetic and environmental factors
What are some examples of multifactorial disorders?
Cancer
Heart disease
What might a red flag in a patient’s personal or family history indicate?
Potential for inherited susceptibility to disease or genetic condition
What has a significant influence on distribution, incidence, and prevalence of many genetic diseases?
Ethnicity and race
What are some red flags that can be identified during a family history?
Known genetic disorder in the family with multiple generations affected
Early onset disease in first or second degree relatives
Sudden cardiac death of individual believed to be healthy
Ethnic predisposition to genetic disorder
What should be the next step when a red flag is identified?
Referral to a genetic specialist
What information should a nurse provide to patients and families so they can make informed decisions regarding going to a genetic specialist?
Reasons for testing
Types of tests
Benefits and risks
What are the benefits of genetic testing?
Definitive diagnosis
Information about familial risk
Identifying prevention, treatment, and management options
What are the risks of genetic testing?
Potential for discrimination based on results
Anxiety
Psychological impacts of findings
Ambiguous findings/variations of unknown significance
Unexpected revelations about family relationships
What are some potential barriers to genetic technology and services?
Culture Language Family values Traditions Religion Health beliefs Money
Diagnostic testing
Confirms or rules out a diagnosis
Carrier testing
Determines if someone carries a recessive or x-linked disorder
Predictive or presymptomatic testing
Tells whether a person is likely to develop a condition
Prenatal or antenatal testing
Looking for genetic or chromosomal disorders like Down syndrome before a baby is born
Susceptibility testing
Looking for genetic risk for a complex disorder involving multiple risk factors
Pharmacogenetic testing
Looking for genetic variants to determine medication responses
How long might the genetic testing process take?
Four weeks or more
What is the nurses role while the patient waits for genetic test results?
Emotional support
Discussion of strategies for when results are learned
What is the role of the nurse once testing results are learned?
Clarify information
Explore implications
Recommend health promotion and prevention practices
Collaborate with other healthcare providers
Why should a nurse understand what genetic test results mean?
To be able to explain them, provide support, and connect patients to resources
What does a positive result mean/indicate in genetic testing?
Change in gene/chromosome/protein
Confirm diagnosis
Provide options for prevention and management
What can a positive result in a genetic test not tell you?
Course or severity of disease
What does a negative test result for a genetic test mean?
No change, disorder is ruled out
What can a negative result in a genetic test not guarantee?
That a mutation in another gene wouldn’t cause that same disorder later on
What does a variant of unknown significance mean?
Abnormal DNA variation not yet associated with a disorder
Why are variants of unknown significance hard to evaluate?
Because everyone has natural variations in their DNA that are not harmful
What is precision medicine?
Medical treatment tailored to the individual patient
How many genes have alterations that are linked to breast cancer?
17
“Whatever the person says it is, and existing whenever the person says it does,” is one definition of…
Pain
Define acute pain
Pain with a short duration and rapid onset, may last up to 6 months
Define chronic pain
Pain that lasts for 6 months or longer and interferes with ADLs
Define intractable pain
Chronic pain that is highly resistant to relief
What are some emotions that can influence pain?
Fear Anxiety Sadness/grief Depression Anger
What are some signs that an infant is in pain?
Crying Grimacing Twitching Poor feeding Fluctuation in temperature Skin mottling Decreased o2 sats
What are some signs that an adult with cognitive or communication impairment is in pain?
Grimacing
Withdrawal
Labored breathing
Decreased activity or mobility
How can sociocultural factors influence pain expression and pain treatment options?
Some cultures may believe pain is to be endured stoically
They might be resistant to pain relief medications for this reason or other cultural beliefs
Cutaneous stimulation for pain relief operates under what theory?
The gate-control theory
What is a TENS or PENS unit?
Transcutaneous (or percutaneous) electrical nerve stimulator
Interferes with pain perception
How is acupuncture believed to relieve pain?
Believed to stimulate the endogenous analgesia system
How does accupressure help relieve pain?
It stimulates specific pressure points for the release of endorphins
How does massage help to reduce pain?
It involves cutaneous stimulation and muscle relaxation to reduce pain
What are some cognitive non-pharmacologic pain relief tactics?
Distraction Relaxation Guided imagery Hypnosis Therapeutic touch Humor
How does sequential muscle relaxation work?
Client tenses their muscles for 15 seconds, then relaxes them while exhaling
How does hypnosis work?
It is the induction of a deeply relaxed state and then the introduction of therapeutic suggestions
How does therapeutic touch work?
Practitioner uses hands to direct energy fields around the body
What is a common side effect for NSAIDs?
Gastric irritation and bleeding
What can reduce the side effects of NSAIDs?
Taking them with food and using pills with enteric coating
Codene/hydrocodone is also known as..
Vicodin
Morphine/hydromorphone is also known as
Dilaudid
Pentazocine is also known as..
Talwin
Nalbuphine is also known as
Nubain
Define tolerance
Body becoming adjusted to drug and needing increasing doses for the same effect
Define physical dependence
Need for a drug that causes withdrawal because the body gets used to it
Define psychological dependence
Addiction
What is psychoneuroimmunology?
A branch of medicine that deals with the influence of emotional states and nervous system activities on immune function (especially pertaining to onset and progression of disease)
Define stress
Physical, psychological, social, or spiritual effect of life’s pressures and events
Define stressor
Psychological, social, environmental, physiological, or spiritual stimulus that disrupts ability to maintain internal stability
Define distress
Chronic or excessive stress that prevents the body from achieving and maintaining homeostasis
Define eustress
Stress that can be challenging and useful
External stressors
An external stressful situation, such as death of a loved one
Internal stressors
Stressful presence within someone, such as anxiety or negative self-talk
Developmental stressors
Stressors that can be predicted at various life stages (going to college stress, retirement, etc)
Situational stressors
Unpredictable stressors, such as sudden illness/catastrophe/accident
Physiological stressors
Stressors that affect body structure or function
Psychosocial stressors
Stressors that arise from work, family dynamics, living situation, relationships, etc.
What are adaptive coping strategies? Give examples
Healthy choices that reduce the effects of stress
Examples: exercise, healthy eating, talking to a friend
Define maladaptive coping strategies and give examples
Choices that don’t promote adaptation to the stressful situation
Examples: overeating, working too much, substance abuse, excessive sleeping
What are some common coping approaches?
Altering the stressor
Adapting to the stressor
Avoiding the stressor
What are some personal factors that influence adaptation?
Perception Overall health status Support system Hardiness Age Developmental level Life experiences
How is hardiness defined?
Thriving despite overwhelming stressors (takes commitment + control + view of stress as a good challenge)
What are the three stages of general adaptation syndrome?
Alarm stage
Resistance stage
Exhaustion or recovery stage
What happens in the alarm stage of the GAS?
fight or flight stage
Shock phase: lasting usually less than 24 hours, high levels of epinephrine
Counter shock phase: shock phase reversed
What happens during the resistance stage of the GAS?
Body tries to cope, protect against the stressor, and maintain homeostasis
What happens in the exhaustion or recovery stage of GAS?
Exhaustion: stress continues, adaptation unsuccessful, body cannot maintain resistance, ends in injury, illness, or death
Recovery: successful adaptation leading to recovery/continuing
What are some physiological responses to stress?
Muscle tension Headaches Nausea Weight changes Chest pain Increased heart rate
What are some emotional and behavioral responses to stress?
Anger Anxiety Depression Fear Lethargy Illness Crying Aggression Rebellion
What are some cognitive responses to stress?
Poor judgement
Forgetfulness
Decreased accuracy
Decreased problem solving
What are some health promotion activities for stress prevention/reduction?
Nutrition Exercise Sleep and rest Leisure activities Good time management skills
How does relaxation work to reverse some stress responses?
Elongating muscle fibers reduces neural impulses to that area and reverses some stress responses
How does exercise help to reduce stress?
Releases muscle tension
Expresses emotions
Releases endorphins
When is the best time to exercise to enhance sleep?
At least two hours before going to bed
What types of foods promote sleep? Why do they help?
Milk, cheese, and other animal products because of the tryptophan and adenosine
What types of foods may hinder sleep?
Saturated fats
How might alcohol contribute to restless/disruptive sleep?
While it hastens the onset of sleep, it disrupts REM/slow wave sleep and can cause spontaneous waking
How do hypnotics affect sleep?
Increase sleep amount but decrease sleep quality
How does ambien affect sleep?
Promotes normal REM
How do amphetamines affect sleep?
Reduce REM sleep
What are some environmental factors that promote or hinder sleep?
Temperature
Noise
Presence or absence of others
Light
What are dyssomnias?
Sleep disorders
Insomnia
Inability to fall asleep, remain asleep, or go back to sleep
Sleep-wake schedule disorders
Abnormalities in sleep due to things like traveling, shift work, or large changes in total sleep time
Restless leg syndrome
CNS disorder characterized by uncontrollable leg movements while resting or before sleeping