Human Growth & Development QBV Flashcards
UNit 2
What is the primary concept in the nature vs. nurture debate?
A) Whether human development is solely influenced by environmental factors
B) Whether human development is shaped by both genetics and environmental factors
C) Whether individuals are only influenced by genetic factors
D) Whether human development stops at adolescence
B) Whether human development is shaped by both genetics and environmental factors
Rationale: The nature vs. nurture debate revolves around how both genetic and environmental factors shape human development. Modern scientists agree that these factors are interconnected.
What principle explains that infants gain control over their neck and head before their extremities?
A) Proximodorsal principle
B) Simple to complex principle
C) Cephalocaudal principle
D) Continuous process principle
C) Cephalocaudal principle
Rationale: The cephalocaudal principle states that human development proceeds from head to toe, explaining why infants gain control over their head and neck before other parts of their body.
During which prenatal period does implantation into the uterine wall occur?
A) Fetal period
B) Embryonic period
C) Zygote period
C) Zygote period
Rationale: The zygote period starts with conception and ends with implantation into the uterine wall, after which the developing organism is referred to as an embryo.
At what age do most bodily systems of a fetus begin to function?
A) 9-12 weeks
B) 22-28 weeks
C) 30-35 weeks
D) 38-40 weeks
B) 22-28 weeks
Rationale: Between 22 and 28 weeks, most bodily systems begin to function, and this period is called the age of viability.
What nutrient deficiency may cause spina bifida in a developing fetus?
A) Vitamin C
B) Calcium
C) Folic acid
D) Iron
C) Folic acid
Rationale: A deficiency in folic acid during pregnancy increases the risk of spina bifida, where the neural tube does not close properly, potentially causing permanent damage to the spinal cord.
Which Apgar score component evaluates a newborn’s muscle tone?
A) Appearance
B) Activity
C) Pulse
D) Grimace
B) Activity
Rationale: The “Activity” component of the Apgar score assesses the newborn’s muscle tone and ranges from absent (0 points) to active movement (2 points).
Which reflex involves the infant turning toward a stimulus when their cheek is stroked?
A) Moro reflex
B) Rooting reflex
C) Grasping reflex
D) Tonic neck reflex
B) Rooting reflex
Rationale: The rooting reflex is when an infant turns their head and begins to suckle when their cheek is stroked, which helps them find food.
When do infants generally begin to double their birth weight?
A) At 2 months
B) At 5 months
C) At 9 months
D) At 12 months
B) At 5 months
Rationale: Most infants double their birth weight by 5 months and triple it by their first birthday.
Which of the following vaccines is recommended for infants to protect against serious diseases?
A) Influenza
B) Measles, mumps, and rubella (MMR)
C) Human papillomavirus (HPV)
D) Pneumococcal
B) Measles, mumps, and rubella (MMR)
Rationale: Infants are typically vaccinated against diseases like measles, mumps, rubella, and others as part of the immunization schedule that begins during infancy.
During toddlerhood, what is the first sign that a child may be ready for toilet training?
A) Ability to walk independently
B) Sphincter control and brain maturation
C) Crying when wet
D) Walking up and down stairs
B) Sphincter control and brain maturation
Rationale: Successful toilet training depends on physical maturity, specifically sphincter control, and brain maturation
What developmental milestone is associated with object permanence in toddlers?
A) Walking independently
B) Recognizing that objects continue to exist even when out of sight
C) Using complete sentences
D) Playing alongside others without interaction
B) Recognizing that objects continue to exist even when out of sight
Rationale: Object permanence is a key developmental milestone in toddlers, where they learn that objects still exist even when they cannot be seen.
Which type of play involves toddlers playing alongside other children without interacting with them?
A) Cooperative play
B) Parallel play
C) Associative play
D) Dramatic play
B) Parallel play
Rationale: Parallel play is typical of toddlers, where they play beside others without direct interaction, but this is an important stage in social development.
At what age do preschoolers typically start to catch a ball and balance on one foot?
A) 2 years old
B) 3 years old
C) 4 years old
D) 5 years old
D) 5 years old
Rationale: By age 5, preschoolers have refined their gross motor skills to include catching a ball and balancing on one foot.
What is the recommended amount of screen time for preschoolers?
A) No more than 30 minutes a day
B) No more than 1 hour a day of quality programming
C) 2 to 3 hours a day with adult supervision
D) No more than 5 hours per week
B) No more than 1 hour a day of quality programming
Rationale: The recommendation is that preschoolers should have no more than one hour of screen time per day, focusing on quality content.
Which of the following vaccinations is recommended for children between the ages of 11 and 12?
A) MMR (Measles, Mumps, Rubella)
B) Hepatitis B
C) Human papillomavirus (HPV)
D) Varicella
C) Human papillomavirus (HPV)
Rationale: HPV vaccines are recommended for preteens around 11 to 12 years of age to protect against cancers caused by HPV infections.
What major physiological change begins in females during puberty?
A) Spermarche
B) Menarche
C) Growth spurt in muscle mass
D) Development of facial hair
B) Menarche
Rationale: Menarche refers to the first menstrual period in females, signaling the beginning of sexual maturity.
Which hormone stimulates the development of eggs in females during puberty?
A) Testosterone
B) Progesterone
C) Follicle-stimulating hormone (FSH)
D) Luteinizing hormone (LH)
C) Follicle-stimulating hormone (FSH)
Rationale: FSH stimulates the development of eggs in females, as part of the hormonal changes that occur during puberty.
During adolescence, which part of the brain is responsible for decision-making and impulse control?
A) Hippocampus
B) Amygdala
C) Prefrontal cortex
D) Cerebellum
C) Prefrontal cortex
Rationale: The prefrontal cortex is involved in decision-making, abstract thinking, and impulse control, which matures during adolescence.
What is a common physical change that occurs in males during adolescence?
A) Menstruation begins
B) The larynx enlarges and the voice deepens
C) Breast development
D) Decrease in sebaceous gland activity
B) The larynx enlarges and the voice deepens
Rationale: During adolescence, males experience an enlargement of the larynx, which results in a deepening of the voice.
What dietary requirement is especially important for females during adolescence due to menstruation?
A) Vitamin D
B) Calcium
C) Iron
D) Protein
C) Iron
Rationale: Iron is critical for females during adolescence due to the blood loss that occurs during menstruation, making it necessary for preventing anemia.
What is the expected change in heart and lung capacity during adolescence?
A) Decreased heart and lung capacity
B) No change in heart and lung capacity
C) Increase in size and capacity of the heart and lungs
D) Temporary decrease followed by an increase in capacity
C) Increase in size and capacity of the heart and lungs
Rationale: During adolescence, the heart and lungs increase in size and capacity, leading to improved strength and endurance.
Which of the following is an example of a “quarterlife crisis” experienced by some young adults?
A) Concern about achieving puberty milestones
B) Anxiety over managing new adult responsibilities such as career and finances
C) Fear of physical aging and menopause
D) Concern over entering middle adulthood
B) Anxiety over managing new adult responsibilities such as career and finances
Rationale: The “quarterlife crisis” refers to young adults feeling overwhelmed as they adjust to new responsibilities like managing debt, establishing a career, and handling social pressures.
What physical change typically occurs during middle adulthood?
A) Increased muscle tone and elasticity
B) Decreased bone mass and muscle strength
C) Rapid growth in height
D) Sudden increase in fat distribution in extremities
During middle adulthood, bone mass declines, and there is a decrease in muscle strength and elasticity, leading to changes in body composition.
What marks the end of reproductive capacity in females during middle adulthood?
A) Spermarche
B) Menarche
C) Menopause
D) Climacteric
C) Menopause
Rationale: Menopause refers to the cessation of menses and marks the end of reproductive capacity in females, usually occurring during middle adulthood.
What is the term used to describe the group of people who care for both their aging parents and their own children?
A) Baby boomer generation
B) Middle-aged parents
C) Sandwich generation
D) Caregiver generation
C) Sandwich generation
Rationale: The “sandwich generation” refers to middle-aged adults who are responsible for caring for both their children and their aging parents simultaneously.
Which nutrient is especially important during middle adulthood to help prevent osteoporosis?
A) Vitamin C
B) Iron
C) Calcium
D) Magnesium
C) Calcium
Rationale: Calcium is essential during middle adulthood to maintain bone density and prevent osteoporosis, especially in women after menopause.
What physiological change commonly occurs in the cardiovascular system of older adults?
A) Decreased blood pressure
B) Increased elasticity of blood vessels
C) Thickening of heart valves
C) Thickening of heart valves
Rationale: In older adults, heart valves tend to thicken and become more rigid, which can affect cardiovascular function.
What vaccination is recommended for older adults over 50 to prevent shingles?
A) Pneumococcal vaccine
B) Shingles (zoster) vaccine
C) HPV vaccine
D) Tetanus vaccine
B) Shingles (zoster) vaccine
Rationale: The shingles (zoster) vaccine is recommended for adults over 50 to prevent shingles and its complications.
What is a significant concern for older adults that can affect their nutrition?
A) Rapid metabolism
B) Social isolation and loss of appetite
C) Increase in caloric needs
D) Increased appetite due to sedentary lifestyle
B) Social isolation and loss of appetite
Rationale: Older adults may experience poor nutrition due to social isolation, loss of appetite, or difficulty in preparing meals, which can lead to malnutrition.
Which oral health issue is common in older adults due to reduced saliva production?
A) Increased tooth growth
B) Risk of dental decay and gum disease
C) Decreased risk of cavities
B) Risk of dental decay and gum disease
Rationale: Reduced saliva production in older adults increases the risk of dental decay and gum disease, as saliva helps protect teeth and gums.
What is the average life expectancy in the United States according to the U.S. Census Bureau?
A) 65.5 years
B) 70.2 years
C) 76.1 years
D) 80.5 years
C) 76.1 years
Rationale: The average life expectancy in the United States is 76.1 years, according to recent data.
Which of the following is a common change in the skin of older adults?
A) Increased elasticity
B) Increased thickness and oiliness
C) Wrinkling and thinning of the skin
D) Increase in subcutaneous fat
C) Wrinkling and thinning of the skin
Rationale: As people age, their skin loses elasticity, becomes thinner, and wrinkles due to the loss of collagen and subcutaneous fat.
During which period do infants begin to form attachment relationships?
A) Middle childhood
B) Adolescence
C) Newborn stage
D) Prenatal period
C) Newborn stage
Rationale: Infants begin to form attachment relationships with their caregivers during the newborn stage, which is crucial for their social and emotional development.
Which developmental principle refers to the concept that human growth proceeds from the center of the body outward?
A) Cephalocaudal principle
B) Simple to complex principle
C) Proximodorsal principle
D) Continuous process principle
C) Proximodorsal principle
Rationale: The proximodorsal principle explains that human development progresses from the center of the body outward, with development occurring in a specific order.
What is the first reflex an infant exhibits that helps with feeding?
A) Babinski reflex
B) Rooting reflex
C) Moro reflex
D) Grasping reflex
B) Rooting reflex
Rationale: The rooting reflex helps newborns find food by turning toward a stimulus and beginning to suckle when their cheek is stroked.
Which reflex is assessed by stroking the sole of an infant’s foot, causing the toes to fan outward?
A) Moro reflex
B) Babinski reflex
C) Stepping reflex
D) Tonic neck reflex
B) Babinski reflex
Rationale: The Babinski reflex is elicited by stroking the sole of an infant’s foot, resulting in the toes fanning outward, which is a normal response in infants.
What is the term used to describe the process in which unused brain pathways are eliminated during adolescence?
A) Synaptic pruning
B) Myelination
C) Neurogenesis
D) Reflex inhibition
A) Synaptic pruning
Rationale: Synaptic pruning is the process during adolescence where unused brain pathways are eliminated to make the brain more efficient.
What is a key nutritional requirement for older adults to maintain bone health?
A) Vitamin E
B) Iron
C) Calcium and Vitamin D
D) Folic acid
C) Calcium and Vitamin D
Rationale: Calcium and Vitamin D are essential for older adults to maintain bone health and prevent osteoporosis.
Which cognitive function improves during adolescence due to changes in the brain’s prefrontal cortex?
A) Memory retention
B) Reflex reactions
C) Logical thinking and impulse control
D) Basic motor skills
C) Logical thinking and impulse control
Rationale: The prefrontal cortex is responsible for logical thinking, decision-making, and impulse control, which all improve as it matures during adolescence.
What is the primary concern for older adults regarding their immune system?
A) Overactive immune responses
B) Increased risk of autoimmune diseases
C) Weakened immune system and susceptibility to infections
D) Decreased need for vaccinations
C) Weakened immune system and susceptibility to infections
Rationale: As adults age, their immune system weakens, making them more susceptible to infections, which is why maintaining immunization schedules is important.
Which milestone typically occurs during toddlerhood?
A) Learning to walk independently
B) Understanding abstract concepts
C) Engaging in cooperative play
D) Forming complex sentences
A) Learning to walk independently
Rationale: A key milestone during toddlerhood is learning to walk independently, along with the development of other gross motor skills.
What type of play is most common in preschoolers?
A) Solitary play
B) Parallel play
C) Associative play
D) Cooperative play
C) Associative play
Rationale: Associative play, where preschoolers interact with one another without formal rules, is common during this stage, reflecting their growing social skills.
What is a major psychosocial change that occurs during adolescence?
A) Increased attachment to parents
B) Developing a sense of identity and independence
C) Reverting to infantile behavior
D) Preferring solitary play over social interaction
B) Developing a sense of identity and independence
Rationale: During adolescence, individuals develop a stronger sense of identity and independence, often spending more time with peers than with family.
Which change in the cardiovascular system is common in middle adulthood?
A) Increased elasticity of blood vessels
B) Thickening of heart valves and decreased elasticity of blood vessels
C) Increased heart rate
D) Increase in lung capacity
B) Thickening of heart valves and decreased elasticity of blood vessels
Rationale: Middle adulthood often involves the thickening of heart valves and decreased elasticity of blood vessels, contributing to higher blood pressure and reduced cardiac efficiency.
At what age do toddlers typically start to develop the ability to climb, run, and jump?
A) 12 months
B) 18 months
C) 2 years
D) 3 years
D) 3 years
Rationale: By the end of toddlerhood, around 3 years of age, children develop the ability to climb, run, and jump as their gross motor skills become more refined.
WHich human development principle evolves in an orderly fashion from simple to complex?
A) Cephalocaudal principle
B) Simple to complex principle
C) Proximodorsal principle
D) Continuous process principle
B) Simple to Complex principle
Human development evolves in an orderly fashion from simple to complex. Infants accomplish head control before they are able to crawl.
The continuous process principle is characterized by …
periods of growth spurts and periods of slow and steady growth.
Human development occurs from large muscle movement to more refined muscle movements refers to which universal principle?
A) General to Specific principle
B) Simple to complex principle
C) Proximodorsal principle
D) Continuous process principle
A) General to Specific
How long does the zygote period last?
A) 8 weeks
B) 16 weeks
C) Approximately 2 weeks
D) Approximately 7 days
C) 2 weeks
The zygote period begins with conception and lasts approximately 2 weeks.
The embryonic period is between the
A) The 1st and 3rd month
B) The 3rd and 8th week
C) The 2nd and 6th week
B) The 3rd and 8th week
Usually begins the third week after conception and lasts until the end of the eighth week during which body structures and internal organs develop.
The fetal period is between the
A) The 1st and 3rd month
B) The 9th and 40th week
C) The 22nd and 28th week
B) The 9th and 40th week
This is the last stage of prenatal development. It begins at the ninth week and ends at birth.
The Newborn stage is
From Birth to 28 days
What is an Apgar score?
At one minute and five minutes after birth, the newborn is assessed and assigned scores based on color, heart rate, reflexes, muscle tone, and respiration. Each trait is scored as 0, 1, or 2, with these subscores then added together to yield the overall Apgar score.
What is the composition of a newborn’s skull?
A) One solid bone
B) Four soft bones separated by sutures
C) Six soft bones separated by sutures
D) Eight soft bones connected by cartilage
C) Six soft bones separated by sutures
Rationale: A newborn’s skull consists of six soft bones that are separated by bands of cartilage called sutures, allowing for flexibility during birth and brain growth.
What are fontanels in a newborn?
A) Hardened areas on the newborn’s skull
B) Cartilage covering the entire skull
C) Soft spots at the anterior and posterior of the skull
D) Areas where the skull bones are fused
C) Soft spots at the anterior and posterior of the skull
Rationale: Fontanels are the soft spots on a newborn’s skull, allowing for growth of the brain and easy passage through the birth canal.
What is lanugo?
A) A white, cheese-like substance covering the newborn’s skin
B) Fine hair that covers the newborn and disappears after birth
C) A protective layer of fat under the skin
D) The flexible cartilage between skull bones
B) Fine hair that covers the newborn and disappears after birth
Rationale: Lanugo is the fine hair covering the newborn, which typically disappears a few days after birth.
What is the purpose of vernix caseosa on a newborn’s skin?
A) To regulate body temperature
B) To aid in immune system development
C) To protect the skin during pregnancy
D) To prevent bone deformation
C) To protect the skin during pregnancy
Rationale: Vernix caseosa is a white, cheese-like substance that protects the newborn’s skin from the amniotic fluid during pregnancy.
What is the expected response when a newborn experiences a sudden movement or loud noise?
A) Grasping reflex
B) Rooting reflex
C) Moro reflex
D) Stepping reflex
C) Moro reflex
Rationale: The Moro reflex occurs when a newborn experiences a sudden movement or loud noise, causing them to startle, extend their arms and legs, then pull them inward.
When the newborn’s head is turned to one side while lying supine, which reflex causes the arm and leg on that side to extend?
A) Tonic neck reflex
B) Babinski reflex
C) Stepping reflex
D) Rooting reflex
A) Tonic neck reflex
Rationale: The tonic neck reflex is observed when a newborn’s head is turned to one side, causing the arm and leg on that side to extend, resembling a “fencer’s” position.
Which reflex occurs when the newborn’s mouth is touched by an object?
A) Grasping reflex
B) Rooting reflex
C) Sucking reflex
D) Moro reflex
C) Sucking reflex
Rationale: The sucking reflex is triggered when an object touches the newborn’s mouth, causing the infant to suckle, an important reflex for feeding.
What is the expected reaction when an object touches a newborn’s palm?
A) Babinski reflex
B) Grasping reflex
C) Moro reflex
D) Sucking reflex
B) Grasping reflex
Rationale: The grasping reflex occurs when an object touches the newborn’s palm, causing the infant to close their hand around it.