A 45-year-old man on the neurology floor can understand instructions but is unable to express himself through talking. Which lobe of the brain controls the expression of speech?
Frontal lobe
Occipital lobe
Temporal lobe
Parietal lobe
The Correct Answer is A
Choice A rationale: The frontal lobe, specifically Broca's area located in the dominant hemisphere, is responsible for expressive speech. Damage to this area can result in expressive aphasia or difficulty expressing speech.
Choice B rationale: The occipital lobe primarily processes visual information.
Choice C rationale: The temporal lobe is involved in auditory processing and language comprehension.
Choice D rationale: The parietal lobe is involved in spatial perception, attention, and sensory information processing.
![]() |
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale: These side effects are not related to spironolactone use.
Choice B rationale: These are common side effects of spironolactone, as it causes potassium retention and sodium loss.
Choice C rationale: These side effects are not related to spironolactone use.
Choice D rationale: These side effects are not related to spironolactone use.
Correct Answer is C
Explanation
Choice A rationale: Low blood pressure sensed by baroreceptors in the kidneys would stimulate the renin-angiotensin-aldosterone system, which regulates blood pressure and sodium balance.
Choice B rationale: Low osmolality sensed by osmoreceptors in the kidneys would
indicate that the body has excess water and needs to excrete it, which would inhibit ADH release.
Choice C rationale: ADH, or antidiuretic hormone, is a peptide hormone that regulates the water balance in the body. It is released from the posterior pituitary gland in response to signals from the hypothalamus. When the plasma osmolarity, or the concentration of solutes in the blood, is high, it means that the body is dehydrated and needs to conserve water. The osmoreceptors in the hypothalamus detect this change and stimulate the release of ADH, which acts on the kidneys to increase water
reabsorption and decrease urine output. This helps to lower the plasma osmolarity and restore the water balance.
Choice D rationale: High concentration of potassium sensed by chemoreceptors in the carotid body would affect the acid-base balance and respiratory rate, but not ADH
release.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.

