The control group and the experimental group in an experiment are treated exactly the same except for the:
- A. Dependent variable
- B. Independent variable
- C. Extraneous variables
- D. Replication variables
Correct Answer: B
Rationale: The independent variable is the only difference between control and experimental groups.
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Which of the following choices represents a barrier to health care for low-income patients in the U.S.?
- A. Limited health care and educational programs close to home
- B. Language proficiency
- C. Busy schedule
- D. Availability of brand-name medication
Correct Answer: A
Rationale: Limited local resources restrict access for low-income patients.
A 16-year-old wants to drive, but the parents will not allow it. A 14-year-old sibling was invited to several sleepovers, but the parents found reasons to deny permission. Both teens are annoyed because the parents buy clothes for them that are more suitable for younger children. The parents say, We dont want our kids to grow up too fast. Which term best describes this familys boundaries?
- A. Rigid
- B. Clear
- C. Enmeshed
- D. Differentiated
Correct Answer: A
Rationale: Rigid boundaries are those that do not change or flex with changing circumstances, as indicated here by parents who are reluctant to revise their roles and expectations about their children as the children mature. Enmeshed boundaries are those that have failed to differentiate or develop individually; the family shares roles and thoughts to an excessive degree, without a healthy degree of individuality. Clear boundaries are not enmeshed; they are appropriate and well maintained.
The nurse is reviewing laboratory results for a patient who has HIV. Which result would be strongly suggestive of a diagnosis of AIDS?
- A. CD4+ = 180/μL
- B. CD4+ percentage = 68%
- C. CD8+ = 650/μL
- D. CD4+/CD8+ ratio = 1.5
Correct Answer: A
Rationale: The correct answer is A because a CD4+ count of 180/μL is significantly below the normal range (500-1500/μL) and indicative of severe immunosuppression, which is a hallmark of AIDS. CD4+ percentage alone (choice B) may not provide the full picture. CD8+ count (choice C) doesn't directly indicate immune system status in HIV/AIDS. The CD4+/CD8+ ratio (choice D) may be altered in various conditions, not specific to AIDS.
How does religion affect the life of women?
- A. Reinforces division of labor and privileges
- B. Relates to individual growth
- C. Provides societal value standards
- D. All of these
Correct Answer: D
Rationale: Religion influences women through labor roles, values, and personal development.
The Montessori approach believes that the teacher's role is
- A. Director
- B. Guide
- C. Instructor
- D. Controller
Correct Answer: B
Rationale: Montessori teachers guide rather than direct learning.