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Ch. 5 genes, environment, diseases
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Questions in this quiz (27)
11. The data reporting that sickle cell disease affects approximately 1 in 600 American blacks is an example of which concept?
- Aa. Incidence
- Bb. Prevalence
- Cc. Ratio
- Dd. Risk
22. The ratio of the disease among the exposed population to the disease rate in an unexposed population is referred to as what type of risk?
- Aa. Attributable
- Bb. Contingency
- Cc. Causal
- Dd. Relative
33. What are empirical risks for most multifactorial diseases based on?
- Aa. Chromosomal testing
- Bb. Direct observation
- Cc. Liability thresholds
- Dd. Relative risks
44. What is the cause of familial hypercholesterolemia (FH)?
- Aa. Diet high in saturated fats
- Bb. Increased production of cholesterol by the liver
- Cc. Reduction in the number of low-density lipoprotein (LDL) receptors on cell
surfaces - Dd. Abnormal function of lipoprotein receptors circulating in the blood
55. Which risk factor for hypertension is influenced by genetic factors and lifestyle?
- Aa. Sodium intake
- Bb. Physical inactivity
- Cc. Psychosocial stress
- Dd. Obesity
66. A student asks, “What is the percentage of all cases of breast cancer that are identified as an autosomal dominant form?” What response by the professor is best?
- Aa. <1
- Bb. 5 to 10
- Cc. 15 to 20
- Dd. 20 to 30
77. When a woman has one first-degree relative with breast cancer, her risk of developing breast cancer is how many times greater?
- Aa. 2
- Bb. 3
- Cc. 6
- Dd. 10
88. Adoption studies have shown that the offspring of an alcoholic parent have what amount of an increased risk of developing alcoholism when raised by a nonalcoholic parent?
- Aa. Twofold
- Bb. Threefold
- Cc. Fourfold
- Dd. Tenfold
99. Studies have identified several genes that play a role in the prevention of obesity by affecting what?
- Aa. Regulation of appetite
- Bb. Metabolizing of fat
- Cc. Absorption of fat
- Dd. Altering the sense of satiety
1010. The BRCA1 and BRCA2 mutations increase the risk of which cancer in women?
- Aa. Ovarian
- Bb. Lung
- Cc. Uterine
- Dd. Pancreatic
1111. What are blood pressure variations associated with?
- Aa.1-Adrenergic receptors to increase heart rate
- Bb. The release of an antiderietic hormone
- Cc. The renin-angiotensin system’s effect on vasoconstriction
- Dd. Serum bradykinin, causing vasodilation
1212. What are the two most important risk factors for type 2 diabetes?
- Aa. Autoantibodies and human leukocyte antigen associations
- Bb. Autoantibodies and obesity
- Cc. Obesity and positive family history
- Dd. HLA associations and positive family history
1313. A parent wants to know how to prevent type 1 diabetes in the newborn. The healthcare professional explains that prevention is not possible, because which of these is a major characteristic of type 1 diabetes mellitus?
- Aa. Partial insulin secretion
- Bb. An autoimmune cause factor
- Cc. Insulin resistance
- Dd. Obesity as a common risk factor
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14. A patient with several risk factors is concerned about developing type 2 diabetes. The healthcare professional advises the patient to lose weight, explaining that obesity is an important risk factor for type 2 diabetes mellitus because it causes what?- Aa. Reduced insulin production by the pancreas
- Bb. Increased resistance to insulin in the cells
- Cc. Obstructed outflow of insulin from the pancreas
- Dd. Stimulation of glucose production by the liver
1515. Traits caused by the combined effects of multiple genes are referred to by which term?
- Aa. Polygenic
- Bb. Multifocal
- Cc. Modifiable
- Dd. Involuntary
1616. Regarding type 2 diabetes, obesity is considered to be what type of risk?
- Aa. Genetic
- Bb. Empirical
- Cc. Relative
- Dd. Modifiable
1717. Which disease form is associated with identified empirical risks?
- Aa. Polygenic
- Bb. Multifactorial
- Cc. Monozygotic
- Dd. Genetic
1818. The number of persons living with a specific disease at a specific point in time is referred to by which term?
- Aa. Relativity
- Bb. Survivability
- Cc. Prevalence
- Dd. Incidence
1919. Which type of cancer is said to aggregate among families?
- Aa. Breast
- Bb. Lung
- Cc. Skin
- Dd. Brain
2020. Which dietary lifestyle choice has been associated with a decreased risk for developing colon cancer?
- Aa. Increased consumption of dairy products
- Bb. Increased consumption of foods containing vitamin C
- Cc. Decreased consumption of foods high in fat
- Dd. Decreased consumption of artificial food coloring
2121. What is currently believed about the risk for developing Alzheimer disease?
- Aa. It is not directly related to genetic predisposition.
- Bb. It is higher among men than it is among women.
- Cc. It occurs less among Hispanics than in Asians.
- Dd. It doubles among those with an affected first-degree relative.
2222. The number of new cases of a disease reported during a specific period divided by the number of individuals in the population is defined as which characteristic of a disease?
- Aa. Prevalence rate
- Bb. Incidence rate
- Cc. Relative risk
- Dd. Frequency
231. Which are cancers that cluster strongly in families? (Select all that apply.)
- Aa. Breast
- Bb. Colon
- Cc. Ovarian
- Dd. Lung
- Ee. Brain
242. Which genes are responsible for an autosomal dominant form of breast cancer? (Select all that apply.)
- Aa. LCAT
- Bb. CHK1
- Cc. CHK2
- Dd. BRCA1
- Ee. BRCA2
253. Which lifestyle modifications affect health-related risk factors? (Select all that apply.)
- Aa. Diet
- Bb. Exercise
- Cc. Education
- Dd. Finances
- Ee. Stress reduction
264. What factors are typically considered when assessing an individual’s risk for developing such common diseases as hypertension? (Select all that apply.)
- Aa. Age
- Bb. Diet
- Cc. Exercise habits
- Dd. Family history
- Ee. Spiritual beliefs
275. Which are examples of multifactorial diseases associated with adults? (Select all that apply.)
- Aa. Breast cancer
- Bb. Coronary heart disease
- Cc. Emphysema
- Dd. Diabetes mellitus
- Ee. Schizophrenia
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- User has deleted their subject information Quiz on Ch. 5 genes, environment, diseases, created by Deleted user on 03/02/2022.
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- Created on 3 Feb 2022 · updated on 5 Feb 2022
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