Which of the following will raise blood pressure?
Vasodilation
Increased cardiac output
Decreased heart rate
Parasympathetic stimulation
The Correct Answer is B
A. Vasodilation refers to the widening of blood vessels, which typically lowers blood pressure by decreasing the resistance within the vessels.
B. Increased cardiac output means the heart pumps more blood per minute, which raises blood pressure by increasing the volume of blood circulating through the arteries. This is the correct answer.
C. Decreased heart rate would typically lower blood pressure, as the heart is pumping less frequently, reducing the force exerted on the blood vessels.
D. Parasympathetic stimulation generally lowers blood pressure as it promotes relaxation and reduces the heart rate, which in turn reduces cardiac output.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
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.
Correct Answer is D
Explanation
A. The ovaries are responsible for producing hormones such as estrogen and progesterone but do not directly produce lubrication during sexual excitement.
B. The cervix produces mucus that changes in consistency throughout the menstrual cycle but does not play a significant role in lubrication during sexual activity.
C. Skene's glands, located near the urethra, secrete fluid that is often compared to prostate fluid in males, but they do not play the primary role in vaginal lubrication during sexual excitement.
D. Bartholin's glands, located near the vaginal opening, secrete mucus that provides lubrication during sexual excitement, helping to reduce friction and enhance comfort during intercourse.
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