Exam Flashcards
Adolescent Brain Development
-The corpus callosum, where fibres connect the brain’s left and right hemispheres, thickens in adolescence, and this improves adolescents’ ability to process information
-The prefrontal cortex doesn’t finish maturing until the emerging adult years, approximately 18 to 25 years of age or later = a lack of cognitive skills to effectively control their pleasure seeking
-The frontal lobe undergoes the most complex change during adolescence
-The frontal lobe is the last section of the brain to develop
-both the amygdala and hippocampus increase in volume during adolescence
- emotional control during adolescence is not fully developed until adulthood
oral contraceptives pills
-prevents the ovary from releasing egg
-thickens cervical mucus
-change the lining of the uterus
advantages
-highly effective
-reversible
-does not interfere with sex
-may reduce menstrual flow/cramps
-decreases PMS
disadvantages
-effectiveness can be reduced by other medications
-may cause irregular bleeding
-breast tenderness, nausea, headaches
-take everyday at same time
-increase risk of blood clots
-cardiovascular events
combined oral contraceptive (COC)
-contains estrogen and progestin
advantages
-decrease acne
-decrease body and facial hair
-reduces risk of endometrial, ovarian, and colon cancer
-reduce risk of ovarian cysts
disadvantages
-should not be used in those >35 who smoke
progestin only pill (POP)
-contains progestin only
advantages
-suitable for those who cannot take estrogen
-can be used during breastfeeding
-can be used in those >35 who smoke
disadvantages
-hormonal side effects: acne, headache, breast tenderness, mood issues, unwanted hair growth
contraceptive patch
-4 x 4 cm beige patch that sticks to the skin and continuously releases the hormones estrogen and progestin into the bloodstream
-prevents the ovary from releasing egg
-thickens cervical mucus
-change the lining of the uterus
-change patch q1w
advantages
-highly effective
-can reduce cramps and menstrual flow
-regulates menstrual cycle
-decrease PMS
-reduces risk of endometrial, ovarian, colon cancers
-reduces risk of ovarian cysts
disadvantages
-may cause irregular bleeding or spotting
-breast tenderness, nausea, headache
-skin irritation
-may be less effective in those who weight more than 90kg
vaginal ring
-small ring inserted in vagina, slowly releases hormones (estrogen and progestin) for 3 week
-stopping the ovaries from releasing an egg
-thicken the cervical mucus
-make the uterine lining thin
advantages
-highly effective
-may reduce menstrual flow, cramps, PMS
-reduces risk of endometrial, ovarian, colon cancers
-reduces risk of ovarian cysts
-does not have to be remembered each day
disadvantages
-may cause irregular bleeding or spotting
-cardiovascular events
-breast tenderness, nausea, headache
-vaginal discomfort
-requires remembering to change once a month
Intrauterine Contraception (IUC)
-hormonal IUC: the small cylinder on the IUC contains the hormone levonorgestrel, which is slowly released. The lining of the uterus becomes thinner and the cervical mucus becomes thicker which makes it harder for sperm to enter the uterus.
advantages
-highly effective
-long term (3-10y)
-cost effective
-suitable for those who cannot take estrogen
-can be used while breastfeeding
-reduces risk of endometrial cancer
disadvantages
-initial irregular bleeding
-ectopic pregnancy
-expensive
-pain/discomfort during insertion
-infection, perforation of uterus
-expulsion of IUC
injectable Contraception (Depo shot)
-injection contains progesterone only
-given 4x/year
-given in upper arm or buttock
-stops the ovaries from releasing an egg
-thicken the cervical mucus
-make the uterine lining thin
advantages
-highly effective
-good for people who have trouble remembering to take a pill every day
-good for those who can’t take estrogen
-can be used while breastfeeding
-can be used in those >35 who smoke
-may reduce menstrual flow, cramps, PMS
-reduces risk of endometrial cancer and cysts
-can improve symptoms of pelvic pain
-decrease seizures
disadvantages
-initial irregular bleeding
-venous thrombosis
-decrease in BMD
-change of appetite, weight gain
-hormonal side effects: acne, headache, breast tenderness, mood issues, unwanted hair growth
-6 to 10 months after the last injection for the ovaries to start releasing eggs again (delayed conception)
contraceptive implant
-sits just below the skin and continuously releases progestin
-lasts up to 3 years
-prevents ovaries from releasing egg
-thickens cervical mucous
advantages
-highly effective
-long term
-cost effective
-good for those who cannot take estrogen -can be used during breastfeeding
-suitable for those >35 who smoke
-may reduce cramps and PMS
-reduce/eliminate periods
disadvantages
-initial irregular bleeding
-hormonal side effects: acne, headache, breast tenderness, mood issues, unwanted hair growth
-pain, discomfort during insertion
-soreness at insertion site
male condom
-acts as a physical barrier preventing direct contact between the penis and the vagina. It prevents the exchange of body fluids and also traps the sperm in the condom so it cannot fertilize the egg
-only used water based, glycol, or silicone based lubes with latex condoms (no oil based lubes)
-synthetic condoms can be used with any kind of lube
advantages
-easily accessible
-inexpensive
-effective
-protects against STIs
-hormone free
-decrease risk of cervical cancer
-can be used with other contraception methods
disadvantages
-must be available at time of sexual activity
-must be stored and handled properly
-can expire
-can break or slip
-may reduce sensitivity
-latex allergy
female condom
-barrier contraception method, preventing contact between the sperm and the vagina.
-can be placed in the vagina up to 8 hours before sex
advantages
-prevent pregnancy and STIs
-can be used by people with latex allergies
-can be used with oil based lubes
-may be more comfortable than males condoms
-increase sexual stimulation
disadvantages
-trouble inserting it correctly
-more expensive than male condoms
-break or slip
-the ring may cause discomfort
-may be noisier than male condom
contraceptive sponge
-small sponge placed over the cervix to provide a physical barrier method to prevent sperm from entering
-contains spermicide
-sponge inserted into vagina up to 24 hours before sex
-protection begins immediately
-should be left in vagina for at least 6 hours after sex
-should not be in vagina for >30 hours total
advantages
-barrier method and spermicide in one
-no hormones
-easily accessible
disadvantages
-increases risk of vaginal and cervical irritation
-TSS
-increases risk of transmission of HIV
-trouble inserting
-does not prevent STIs
-high failure rate
cervical cap
-a deep silicone cap that fits against the cervix and prevents sperm and bacteria from entering
-physical barrier
-should always be used with spermicide gel
-gel forms a physical cellulose barrier in front of the cervix and lowers the pH of the vaginal fluid, thereby inhibiting sperm motility
-can be inserted up to 2 hours before sex
-gel should be reapplied for each repeated intercourse or after 2 hours
-should be left in vagina for at least 6 hours after sex
-should not stay in >48 hours total
advantages
-no hormones
-can be used while breastfeeding
-available in different sizes
disadvantages
-high failure rate
-increased risk of recurrent UTIs
-increased risk of TSS
-trouble inserting
-gel must be reapplied after each intercourse
-cannot be used in silicone allergy
-need a prescription
diaphragm
-a cap made of latex, silicone, nylon, that covers the cervix and prevents sperm from entering
-should always be used with spermicide gel
-gel forms a physical cellulose barrier in front of the cervix and lowers the pH of the vaginal fluid, thereby inhibiting sperm motility
-can be inserted up to 2 hours before sex
-should be left in vagina for at least 6 hours after sex
-should not remain in vagina for more than 24 hours total
-If there is repeated intercourse within the first 6 hours, more gel should be inserted with an application
advantages
-no hormones
-can be used while breastfeeding
-one size, fits most
-no prescription needed
disadvantages
-high failure rate
-increased risk of recurrent UTIs
-increased risk of TSS
-trouble inserting
-gel must be reapplied after each intercourse
-cannot be used with latex or silicone allergy
spermicides
-inserting spermicide in front of the cervix, destroys sperm on contact.
-should be used along with another method of contraception because alone they are not highly effective.
-must be inserted into the vagina at least 15 minutes before intercourse
-effective immediately and up to 1 hour after
-must be reapplied for each intercourse
advantages
-no hormones
-more effective when used with another barrier method
-can also protect against bacterial infections and PID
disadvantages
-not highly effective
-can be messy
-must be inserted right before sex
-may irritate penis and vagina
-may increase risk of HIV transmission
vasectomy
-a permanent surgical procedure to close or block the vas deferens
-another form of contraception is required until a semen analysis shows no sperm.
advantages
-safe and highly effective
-long lasting
-permanent
-simple procedure
-no hormones
-does not affect sexual function
-less invasive than tubal ligation
-no long term side effects
disadvantages
-permanent and irreversible
-risk of regret
-not effective immediately
-must use another contraception method for 3 months and do a follow-up sperm analysis that shows no sperm are present in the semen
-short term surgery related complications: pain, bleeding, vasovagal reaction, infection at the incision site, bruising and swelling of the scrotum
tube ligation and salpingectomy
-permanent surgical procedure where the two fallopian tubes get disconnected
advantages
-safe, highly effective
-long lasting (permanent)
-does not affect sexual function
-no hormones
-may reduce risk of ovarian cancer
disadvantages
-permanent and irreversible
-short-term surgery-related complications: pain, bleeding, infection at the incision site, trauma to adjacent organs or blood vessels in the abdomen
-risk of ectopic pregnancy if failure occurs
fertility awareness based contraception
-determine when ovulation occurs by:
-Measuring your basal body temperature every day
-Checking your urine with an ovulation kit to measure the LH hormone
-Observing changes in your cervical mucus
-Using an app to follow the calendar method and track your menstrual cycles and ovulation
-calculate your fertile window and avoid having sex during that time
advantages
-safe
-no side effects
-little cost
-natural
-no hormones
disadvantages
-least effective at preventing pregnancy
-requires practice to do correctly
-can be tricky (not all cycles are regular)
-must avoid sex at certain times
lactational amenorrhea method (LAM)
-used by women who have just given birth and are exclusively breastfeeding
-The hormones that trigger lactation interfere with the release of the hormones that trigger ovulation. The more you nurse your baby, the less likely you are to ovulate
advantages
-highly effective for first 6 months after birth (if the mother breastfeeds at least 4 hours/day and 6 hours/night
-natural way to prevent pregnancy after childbirth
-safe
-convenient
-no cost
disadvantages
-effectiveness is limited to 6 months after childbirth
-may be difficult to exclusively breastfeed
withdrawal (coitus interruptus)
-male withdraws his penis from the vagina and away from the external genitalia of the female partner prior to ejaculation
advantages
-natural
-safe
-convenient
-no cost
-no hormones
disadvantages
-not easy (requires self control)
-risky
abstinence
-not having sex
advantages
-most effective
-safe
-no cost
-no side effects
disadvantages
-can be challenging
-unprepared if you change your mind
-partners must be committed to this
chlamydia
symptoms
-vaginal bleeding
-discharge (clear, watery, milky)
-abdominal pain
-testicular pain/swelling
-itchy urethra
-pain/burning while voiding
treatment
-antibiotics
-sexual partners in the last 60 days require testing
-re-tested 6 months after treatment
gonorrhoea
symptoms
-most women don’t develop symptoms (men do)
-painful urination
-discharge (thick, yellow-green)
-itchiness
-testicular pain/swelling
treatment
-dual therapy antibiotics
-sexual partners in the last 60 days require testing
-re-tested 6 months after treatment
-should also be treated for chlamydia
syphilis
symptoms
-inc. prevalence
-4 stages
-a painless open sore on the genitals, anus, throat
-rash
-flu like symptoms
-swollen glands
treatment
-injectable penicillin
-sexual partners in the last 3 months require testing
trichomoniasis
symptoms
-most common non-viral STI
-men have less symptoms
-pain/burning while voiding
-pain during sex
-discharge from penis
treatment
-oral antibiotics
-get treated early
herpes
symptoms
-most common cause of genital ulcerations
-often no symptoms
-cold sores
-sores on genitals
-itchy genitals
-flu like symptoms
-pain while voiding
treatment
-no cure
-antivirals may help outbreaks
pubic lice
symptoms
-insects that nest in pubic hair
-skin irritation and inflammation
-itchy and red skin
-louse feces
-small blue spots on skin where lice have bitten
treatment
-All household contacts and recent sexual partners within the past month should be treated to prevent re-infestation
-antihistamines and steroid creams can control itchiness
-medical shampoos
-Clothing, bedding and other possible contaminated items should be washed or dry cleaned, or bagged for three days to one week. Items that cannot be washed or bagged should be vacuumed
scabies
symptoms
-parasitic mites that burrow below the skin
-lay eggs under skin to hatch
-intense nighttime itchiness and red rash
-the lesions are usually in the hands, wrists, armpits, waist, nipples, around the belly button, and in the male genitalia.
treatment
-skin scraping of the burrow to remove the mite
-burrow ink test
-medical creams and shampoos
-all household contacts and recent sexual partners within the past month should be treated to prevent re-infestation
-Clothing, bedding and other possible contaminated items should be washed or dry cleaned, or bagged for three days to one week. Items that cannot be washed or bagged should be vacuumed
lymphogranuloma venereum (LGV)
symptoms
-caused by variations of bacteria that cause chlamydia
-appear 30 days after infection
-painless sore or bump where bacteria entered
-flu like symptoms
-swollen lymph nodes
-deformity of genitals
treatment
-antibioticos
bacterial vaginosis
symptoms
-harmful bacteria outnumber good bacteria
-often no symptoms
-thin vaginal discharge (white or grey)
-fishy smell
treatment
-antibiotic pills, creams, ovules
yeast infection (vulvovaginal candidiasis)
symptoms
-too much yeast in vagina
-thick white clumpy vaginal discharge
-vaginal itching, pain, burning, redness
-pain during voiding and sex
treatment
-antifungal creams, ointment, oral pills or ovule
HPV
symptoms
-genital warts
-itchiness
-pain and bleeding during sex
-cervical cancer
treatment
-no cure
-can remove visible lesions and warts
-treatments for warts
-immune system can clear infection, but it can reoccur
HIV
symptoms
-may not have symptoms for years
-mild flu like symptoms
-fever, fatigue, weight loss, chronic diarrhea, dyspnea, cough, loss of vision, recurrent yeast infections, lesions, shingles, herpes, anemia
-causes your immune system to fail
-cancer, dementia, death
treatment
-antiretroviral therapy
-is a chronic disease
-NO CURE
-treatments can slow the progression of the disease
-partner notification!
young adult: biology & genetics
-18-34 years old
-major milestones: Completion of formal education, commencing full-time employment, getting married and parenthood
-Healthiest period, optimal muscle strength (age 25–30), peak manual dexterity.
-Developing behaviours to promote a healthy lifestyle.
-Decreasing incidence of accidents, injuries, violence.
-Self-help resources are very popular with young adults.
young adult: health perception & management
- Young adults have the highest number of emergency department visits and lowest number of outpatient visits.
- leading causes of death: unintentional injuries (accidents), homicide, suicide
- Cholesterol, diabetes, smoking, hypertension, metabolic syndrome. So, necessary to screen for cardiovascular conditions after the age of 25 as well as provide education about risk factor modification
- Prevention, screening, and modifying risk factors is key with young adults
young adult: nutritional metabolic pattern
-Caloric needs increase substantially, particularly in men.
Basal metabolic rate declines
- Assessment: BMI, waist circumference, blood pressure, & cholesterol
- Nutritional needs and common deficiencies: Iron, folic acid, calcium
-Variety of nutrition-dense foods, especially whole grains, fruits, vegetables, low fat or fat-free milk, lean meat, and protein sources
-Encourage iron, calcium and folic acid intake
young adult: elimination pattern
- Well-established elimination pattern
- Although eating disorders begin at an earlier stage of development, they can persist during young adulthood
- Common complaints: Constipation, Hemorrhoids, Occasional diarrhea
-Report changes in elimination patterns
-Adequate fluids; eating fruit and vegetables
young adult: activity exercise pattern
Exercise recommendations
- Aerobic exercise of moderate intensity for 150 minutes per week in bouts of 10 minutes or more at least 2 days a week
- Muscle and bone strengthening 2 days per week
- Barriers: lack of time, access to facilities, safe environments
-Helmets for bicycles, motorcycles
young adult: cognitive perceptual
- Visual acuity: highest at 20 years and begins to decline by 40 years, when farsightedness frequently develops.
- Hearing: best at 20 years. The ability to distinguish high pitched tones decreases with age.
- Other senses: Taste, smell, touch and awareness of temperature and pain remain stable until 40 to 50 years of age
young adult: Piaget
-Achievement of formal operational thinking allows young adults to analyze all combinations of possibilities and construct hypotheses. Young adult thought becomes more perceptive and insightful; issues can therefore be evaluated realistically and objectively.
-Although they tend to take greater risks, young adults typically demonstrate the use of appropriate reasoning, anticipation, and analytical approaches.
young adult: erikson
-intimacy versus isolation and loneliness.
-Young adults who are unsure of their identity may avoid intimate contact or engage in promiscuous behaviour lacking in true intimacy, which can result in isolation and consequent self-absorption
young adult: Kohlberg
-post conventional moral reasoning
-Define rights and morality in terms of self-chosen principles.
-the individual is able to differentiate the self from the rules and expectations of others and to define principles regarding rights in terms of self-chosen principles
-Doing for self Vs others/society
young adult: roles relationship patterns
-Formation of intimate relationships
-Decisions about life and career directions
-Formation of family units
-Multiple decisions related to child-bearing, finances, roles and relationships
-Depression common—supportive counselling and services
-(Assess for suicidal ideation)
young adult: sexuality-reproductive pattern
Infertility
-Affects 16% of couples; increased incidence greater than 30 years
-Assisted reproductive technologies (stressful, costly)
-Sterilization: choice increases with age
Unintended pregnancy (40% of all pregnancies)
-Half of unplanned pregnancies are caused by contraceptive failure
-Nurse’s role: help choose most appropriate method of contraception
young adult: environmental processes
-Injuries are the leading cause of death in young adults
-Alcohol intake/ binge drinking and Motor vehicle accidents cause more fatalities than all other causes of death combined.
-Occupational hazards and stressors (Young adults work in hazardous jobs): emphasis on protective clothing, equipment, instruments etc
middle aged adults: biology & genetics
- age 35-64 years
-Fat disposition, decreased muscle mass and bone density, osteoarthritis - Hormonal changes
- Reduction of glomerular filtration by 50%
-Leading causes: heart disease, cancer, and accidents - Heart disease: number one cause of death
middle aged adults: health perception & management
-acceptance of aging, the need to exercise, and weight control, decreasing or stopping cigarette smoking and alcohol consumption.
-The leading causes of death during middle adults are malignant diseases such heart disease, cancer, etc.
-Dietary factors and unhealthy weights are correlated with 5 of the 10 leading causes of death in Canada. Emphasis on diet and exercise.
middle aged adults: nutritional metabolic pattern
-The middle-aged adult typically leads a more sedentary lifestyle than does the young adult.
-Obesity risk increases with less education, low income, ethnicity
-alcohol abuse
- adults consume these agents for many reasons, including peer pressure, loneliness, alienation, frustration, anxiety, and low self-esteem.
- Women have a higher death rate related to alcoholism than men. More men than women are considered problem drinkers
middle aged adult: activity exercise pattern
- Activities that focus on skill and coordination
- Caution is recommended for adults nearing age 65 years to prevent muscle strains and/or falls.
physical exercise should involve as many muscles as possible and be performed on a regular basis. - Adults should spend 30 minutes or more in brisk physical activity (e.g., walking, jogging, swimming, bicycling) every day for a total of 3 to 4 hours per week.
Initiating exercise program: Points to consider for better success
- Choose activities enjoyed in past (if appropriate)
- Activities that the person/group interested in
- Consider potential for injury, proper equipment
- Exercise testing if high risk
middle aged adults: cognitive perceptual pattern
-Helping children become responsible, happy adults
- Rediscovering or developing new satisfaction in the relationship with one’s spouse (for the single adult, this can occur in a relationship with a sibling or significant other)
- Developing an affectionate, but independent, relationship with aging parents
- Reaching the peak in one’s career
- Achieving mature social and civic responsibility
- Accepting and adapting to biological changes
- Maintaining or developing friendships
- Developing leisure-time activities
- Can process complex problems of reasoning
- Focus on involvement, absence of chronic disease, flexibility, family, complexity, favourable socioeconomic status, personal satisfaction, spouse with high cognitive function
middle aged adult: erikson
-generativity vs stagnation
-Generativity involves a sense of productivity, creativity, and the desire to help others, whereas stagnation involves a sense of isolation and focus on oneself.
-Middle age is a time of critical self-review. For some, this review may prompt sadness, disappointment, self-doubt, and regret if the desired and expected life goals have not been met.
middle aged adult: roles relationships pattern
- Multiple responsibilities and stresses
- Children, aging parents, job, and civic responsibilities
- Single-parent families
- Over-involvement with children’s activities
- Caring for aging parents
- Divorce: Children of divorced parents may have emotional effects lasting for decades.
middle aged adult: self perception
-Some people try to “hold on” to youth by dressing as more youthful counterparts dress, whereas others adapt their attire to their age and position in life.
Women (40s and 50s)
- Raising a family
- Helping parents as they age
- Coping with divorce or death of a spouse
- Retirement, and financial insecurity.
- Menopause
men
- The hormonal changes in men are gradual, typically beginning between 40 and 55 years of age. The symptoms are similar to those experienced by women with the emotional effects related to other life events, past coping patterns, and general feelings of self-esteem
middle aged adult: sexuality and reproduction
-Sexual arousal is slower, orgasms are less intense, and a return to pre-arousal levels is more rapid, with men having longer refractory periods between erection and ejaculation.
-Women can experience vaginal dryness, difficulty finding a partner, less interest in initiating sex, and longer times to reach orgasm
theories of aging
No single theory
Factors under study
Genetics: predict development of disease
Diet: calorie restriction
Antioxidants: binding free radicals
older adults: health perception & management
- Motivation: Important for maintaining health
- Nursing role: Help older persons understand the importance of health factors, to learn their goals, and what motivates them.
- Not to underestimate their abilities.
- Encourage active participation in care rather than performing care for them.
- Activities to promote health and prevent frailty
Recommended clinical preventive services for older persons
- Immunizations (influenza and pneumococcal)
- Screenings for early detection
- Smoking-cessation counseling for those who smoke.
Health assessment screening
- Renal insufficiency
- Alcoholism
- Polypharmacy
- Substance/Illicit drugs
older adults: nutritional metabolic pattern
- Adults aged 65 or older typically require fewer calories than younger adults.
- Although fewer calories are needed, older people require more nutrition from these calories to promote and protect health.
older adults: obstacles to maintaining optimal nutrition
Access to food
Low income
Decline in GI absorption, metabolism, elimination
Deterioration of senses (taste, smell and vision)
High frequency of dental and swallowing problems
Cultural food preferences
Lifelong eating habits
Living environment (e.g., institutions)
Anorexia resulting from disease
Medications
Hospital stay
older adults: ways to improve nutrition
- Encouraging family members to bring in special foods that the resident enjoys is helpful.
- Assess the person’s food preferences and any difficulties in eating, followed by careful planning of an appropriate menu, to encourage healthy eating.
- A pleasant setting with social interaction enhances the desire to eat.
older adults: elimination pattern
- Bowel and bladder functions are altered by normal changes of aging.
- Gastro-intestinal motility decreases as people age.
- Diet plays a significant role in problems with intestinal motility and constipation.
- Decreased intake of fluids and fibre contribute in large part to constipation.
- Many medications taken by older persons also cause elimination concerns.
- Lack of physical activity and changes in the environment that decrease privacy also contribute to elimination problems.
- It is important to reassure them that through diet and exercise they can gain control of most elimination problems
- Schedule regular times to void
- Pelvic floor exercises
- Avoid stimulant such as caffeine
stress incontinence
when someone coughs or sneezes
urge incontinence
once the urge to void is felt they cannot wait to void
inability to delay voiding once the bladder is full
functional incontinence
associated with environmental barriers, physical limitations, or cognitive impairment in which the care recipient is unable to reach the toilet.
acute incontinence
Last for less than 6 months
Secondary to another disease
chronic incontinence
Stress, urge, overflow, functional
older adults: activity-exercise pattern
-Recommended at least 150 min of moderate to vigorous exercise/week
-Goal- help maintain flexibility, strength, and balance
-Strength training improves balance and reduces the risk of falls, strengthen bones and reduces blood sugar levels
-Weight bearing – functional mobility, promoting independence, and prevent falls.
older adults: sleep rest pattern
Do’s
- Regular bedtime and waking schedule
- Plan activities during the day (eg. exercise)
- Bedtime rituals (reading, meditating, etc.)
- Comfortable and quiet sleep environment
- Use the bed only for sleep and sexual activity
- Check on medications that may interfere with sleep
Dont’s
- Avoid long daytime naps
- Vigorous activity right before bed
- Caffeine after mid morning
- Drinking alcohol before bed
- Sleep medications
- Tobacco
- Driving when tired