ATI RN
Exam 4 Psychology
1. In order for one to have a recessive trait (e.g., having red hair), the person must receive?
- A. At least one copy of a recessive gene from a parent
- B. Two copies of a recessive gene, one from each parent
- C. At least one copy of a recessive gene and at least one copy of a dominant gene
- D. At least two copies of a recessive gene from one parent
Correct answer: B
Rationale: Recessive traits are expressed when an individual inherits two copies of the recessive gene, one from each parent. Therefore, the correct answer is B. Choice A is incorrect as one copy of a recessive gene is not sufficient to display a recessive trait. Choice C is incorrect because having at least one copy of a dominant gene is unrelated to expressing a recessive trait. Choice D is incorrect because two copies of a recessive gene must come from both parents, not just one.
2. Who proposed that the study of consciousness should be replaced by the study of behavior?
- A. John Watson
- B. Abraham Maslow
- C. G. Stanley Hall
- D. Sigmund Freud
Correct answer: A
Rationale: The correct answer is John Watson. Watson, a key figure in behaviorism, believed that psychology should focus on observable behavior rather than consciousness. Abraham Maslow is known for his hierarchy of needs theory and humanistic psychology, not for advocating the study of behavior over consciousness. G. Stanley Hall was a pioneer in psychology but did not propose replacing the study of consciousness with behavior. Sigmund Freud, a prominent figure in psychoanalysis, focused on the unconscious mind rather than behavior.
3. A predisposition toward developing a disorder is termed a ________.
- A. diathesis
- B. comorbidity
- C. genotype
- D. phenotype
Correct answer: A
Rationale: A diathesis is indeed the correct term for a predisposition toward developing a disorder. A diathesis refers to an underlying vulnerability or predisposition to a particular condition. Choice B, 'comorbidity,' refers to the presence of two or more disorders in the same individual. Choice C, 'genotype,' relates to an individual's genetic makeup. Choice D, 'phenotype,' refers to the observable characteristics of an organism resulting from the interaction of its genotype with the environment. Therefore, A is the most appropriate term for describing a predisposition toward developing a disorder.
4. Why is it difficult to determine the nature of the relationship between divorce and the psychological functioning of family members?
- A. Cause and effect cannot be determined as preexisting behavioral abnormalities in either the parents or the children may make divorce more likely.
- B. The findings have been too inconsistent to draw any conclusions.
- C. While the effects of divorce are negative on children, the effects on the spouses are generally positive.
- D. Due to modern acceptance of divorce, there has been an ongoing decrease in the negative effects of divorce.
Correct answer: A
Rationale: The correct answer is A because it highlights a crucial factor that makes it challenging to establish a clear cause and effect relationship between divorce and the psychological functioning of family members. Preexisting behavioral abnormalities in either the parents or the children may influence both the likelihood of divorce and the psychological functioning of family members. Choice B is incorrect as it generalizes the findings without specifying the key issue of preexisting conditions. Choice C is incorrect as it oversimplifies the effects of divorce on family members. Choice D is incorrect as it presents a broad statement without addressing the complexities involved in determining the effects of divorce.
5. The site of chemical communication in the brain is the ________.
- A. neuron
- B. synapse
- C. axon
- D. dendrite
Correct answer: B
Rationale: The synapse is the correct answer. It is the site where communication between neurons occurs through the release and reception of neurotransmitters. Choice A, neuron, is incorrect as it is the cell itself rather than a specific site of communication. Choice C, axon, is also incorrect as it is a part of the neuron that transmits signals away from the cell body. Choice D, dendrite, is not the correct answer either, as dendrites receive signals from other neurons but do not release neurotransmitters for communication.
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