Download 1. (p. 58) _____ is a genetic disorder that can be controlled by diet

1. (p. 58) _____ is a genetic disorder that can be controlled by diet.
A. Down syndrome
B. Turner syndrome
C. sickle-cell anemia
D. phenylketonuria (PKU)
2. (p. 60) Researchers are comparing identical twins Carrie and Devon, who were reared apart.
They are MOST likely studying the effect of heredity on development because, at the genetic
level, Carrie and Devon
A. have 50% of their genes in common.
B. share the exact same DNA.
C. are no more similar than any other sibling pair.
D. None of the above.
3. (p. 52) Which of the following is a double-helix-shaped molecule that contains genetic
information?
A. genome
B. genotype
C. DNA
D. phenotype
4. (p. 54) Which of the following does NOT have 46 chromosomes?
A. zygotes
B. the sperm and egg
C. parent cells
D. duplicate cells
5. (p. 54) How many chromosomes does an egg or a sperm have?
A. 46
B. 24
C. 23
D. 48
6. (p. 54) Fertilization results in the formation of a(n):
A. ovum.
B. zygote.
C. gamete.
D. DNA helix.
7. (p. 55) All of a person's genetic material makes up the _____, whereas the _____ consists of only
observable characteristics.
A. phenotype; genotype
B. genotype; phenotype
C. dominant phenotype; recessive phenotype
D. dominant genotype; recessive genotype
8. (p. 56) Melinda and Joseph both have brown eyes. Their child has blue eyes, showing that:
A. both Melinda and Joseph are carrying a recessive gene for blue eyes.
B. either Melinda or Joseph is carrying a recessive gene for blue eyes.
C. both Melinda and Joseph are carrying a dominant gene for blue eyes.
D. either Melinda or Joseph is carrying a dominant gene for blue eyes.
9. (p. 65) Which prenatal development period comes first?
A. embryonic
B. germinal
C. fetal
D. zygoti
10. (p. 92) According to the cephalocaudal growth pattern, which of the following is likely to show
fast growth first?
A. legs
B. hands
C. brain
D. stomach
11. (p. 92) Which growth pattern sequence indicates that growth progresses from the center of the
body toward the extremities?
A. cephalocaudal
B. proximodistal
C. paradistal
D. lateralization
12. (p. 93) Average North American babies double their birth weight by what age?
A. 1 month
B. 4 months
C. 8 months
D. 10 months
13. (p. 94) What is the period of rapid physical maturation involving hormonal and bodily changes
that occurs in early adolescence and results in ability to reproduce?
A. spermarche
B. gonadarche
C. puberty
D. menarche
14. (p. 96) The age at which puberty arrives dropped quickly throughout the 20th century (aka
secular trend). What might likely account for this change?
A. greenhouse effects on climate
B. improved health and nutrition
C. less manual labor requirements for adolescents
D. trace amounts of radiation from electric appliances
15. (p. 97) James is going through puberty quite early. Research indicates that James is likely to:
A. be rejected by his peers.
B. have a negative self-image.
C. have a positive self-image.
D. be highly successful in his later career.
16. (p. 100) What explanation BEST accounts for why those older than 60 lose weight?
A. They exercise more regularly.
B. They eat smaller meals.
C. They experience muscle loss.
D. Their metabolism speeds up.
17. (p. 102) Which brain lobe is responsible for voluntary movement, thinking, personality, and
intentionality or purpose (i.e. planning, organizing and reason)?
A. frontal
B. occipital
C. temporal
D. parietal
18. (p. 106) The amygdala, which is the "seat" of emotions such as anger, matures much earlier than
the prefrontal cortex. This may account for which of the following?
A. adolescents' increased information processing speed
B. adolescents' risky, impulsive, and ill-planned behavior
C. early onset of puberty
D. adolescents' sharper self-regulatory skills
19. (p. 108) What happens to the brain's weight and volume as it ages (often after our 20s)?
A. weight increases, volume decreases
B. volume increases, weight decreases
C. weight and volume increase
D. weight and volume decrease
20. (p. 128) Incidences of diseases such as bacterial meningitis, measles, rubella, mumps, and
chicken pox have been nearly eradicated, due to:
A. immunizations.
B. socialized health care.
C. improved nutrition and sanitation.
D. natural selection.
21. (p. 130) What are the disorders characterized by a slow onset and long duration?
A. childhood
B. acute
C. mental
D. chronic
22. (p. 130-131) Which of the following involves an extensive loss of bone tissue?
A. arteriosclerosis
B. diabetes
C. arthritis
D. osteoporosis
23. (p. 150) Which of the following is a benefit of regular exercise?
A. reduced risk of heart attack
B. improved immune systems in older adults
C. reduced anxiety and depression
D. all of these
24. (p. 131-132) George's blood test reveals very low levels of acetylcholine. An MRI shows an
abnormal amount of neural tangles and plaques in his brain. These results indicate that George
may have:
A. hypertension.
B. depression.
C. Alzheimer disease.
D. arthritis.
25. (p. 142) People suffering from anorexia use food and their weight as a means of:
A. control.
B. reward.
C. punishment.
D. gaining popularity.