Join thousands of students who trust us to help them ace their exams!Watch the first video
Multiple Choice
Which of the following is a function of epinephrine and norepinephrine?
A
Increase heart rate and blood pressure
B
Promote digestion and absorption
C
Decrease blood glucose levels
D
Stimulate the release of insulin
Verified step by step guidance
1
Begin by understanding the roles of epinephrine and norepinephrine, which are hormones produced by the adrenal glands. They are part of the body's response to stress, often referred to as the 'fight or flight' response.
Consider the physiological effects of these hormones. Epinephrine and norepinephrine primarily act on the cardiovascular system to prepare the body for rapid action.
Analyze how these hormones affect the heart. They increase heart rate by stimulating the heart muscle, which is crucial during stressful situations when the body needs more oxygen and nutrients.
Examine the impact on blood pressure. Epinephrine and norepinephrine cause vasoconstriction, which increases blood pressure, ensuring that blood is efficiently delivered to vital organs.
Reflect on the other options provided in the problem. While epinephrine and norepinephrine do not promote digestion, decrease blood glucose levels, or stimulate insulin release, they do increase heart rate and blood pressure, aligning with their primary function during stress responses.