A person who has a frontal-lobe brain injury is likely to experience a deficit in which of the following?
Emotional stability
Speech comprehension
Vision
Swallowing
The Correct Answer is A
A. The frontal lobe is responsible for higher cognitive functions, including emotional regulation, problem-solving, decision-making, and controlling emotional responses. A frontal-lobe injury can impair emotional stability, making it difficult for the individual to manage emotions appropriately. This is the correct answer.
B. Speech comprehension is primarily associated with the temporal lobe, particularly in areas like Wernicke’s area, not the frontal lobe.
C. Vision is processed in the occipital lobe, so a frontal-lobe injury would not typically affect vision.
D. Swallowing involves motor control that is often linked to the brainstem, not the frontal lobe.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Dehydroepiandrosterone (DHEA) and estradiol are hormones related to sex and stress but are not primarily involved in the fight-or-flight response.
B. Epinephrine (adrenaline) and norepinephrine are the key hormones released by the adrenal medulla during the fight-or-flight response. These hormones increase heart rate, blood pressure, and energy supply to prepare the body for rapid action in stressful situations. This is the correct answer.
C. Ghrelin and kisspeptin are involved in hunger and reproductive functions, not the acute stress response.
D. Insulin and glucagon are involved in regulating blood sugar, but they are not the primary hormones released during the fight-or-flight response.
Correct Answer is C
Explanation
A. The primary follicle is an earlier stage in the development of the ovarian follicle, not the structure that forms after ovulation.
B. The zygote is the result of fertilization, formed when the sperm and egg unite, but it does not form from the follicle after ovulation.
C. The corpus luteum forms from the remains of the follicle after ovulation. It secretes progesterone to support early pregnancy or prepares to degenerate if pregnancy does not occur.
D. The oocyte is the egg cell itself, which is released during ovulation, but it is not the structure that forms from the follicle after ovulation.
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