Many functions in the body are controlled by hormones – chemical signals that are secreted by one organ or tissue but have effects in multiple areas. A person’s blood pressure can be affected by their blood volume: if volume goes up, so does pressure, if blood volume goes down, pressure goes down. Regulating blood volume can be changed by two hormones; for our purposes, we’ll just call them hormone A and hormone B. Hormone A is a steroid hormone secreted by the adrenal cortex, and it functions to increase blood volume by increasing water reabsorption from the kidneys. Hormone B is secreted by the heart when blood pressure is increased; this hormone decreases blood volume by promoting the loss of water in the urine. Preston is a middle-aged man who sees his doctor every year for a checkup. At his most recent visit, the doctor determines he has hypertension (high blood pressure).Based on this information, answer the following two questions: 1)Where does hormone A come from? Group of answer choices a) From the kidney b) From the adrenal cortex c) From the blood vessel cells d) From the heart 2) Which of the following drugs might Preston’s doctor prescribe, to treat his hypertension (high blood pressure)? Group of answer choices a) A drug that increases hormone A levels b) A drug that decreases hormone B levels c) A drug that decreases hormone A levels and increases hormone B levels d) A drug that increases both hormones A and hormone B levels

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Many functions in the body are controlled by hormones – chemical signals that are secreted by one organ or tissue but have effects in multiple areas. A person’s blood pressure can be affected by their blood volume: if volume goes up, so does pressure, if blood volume goes down, pressure goes down. Regulating blood volume can be changed by two hormones; for our purposes, we’ll just call them hormone A and hormone B. Hormone A is a steroid hormone secreted by the adrenal cortex, and it functions to increase blood volume by increasing water reabsorption from the kidneys. Hormone B is secreted by the heart when blood pressure is increased; this hormone decreases blood volume by promoting the loss of water in the urine. Preston is a middle-aged man who sees his doctor every year for a checkup. At his most recent visit, the doctor determines he has hypertension (high blood pressure).Based on this information, answer the following two questions:

1)Where does hormone A come from?

Group of answer choices

a) From the kidney

b) From the adrenal cortex

c) From the blood vessel cells

d) From the heart

2) Which of the following drugs might Preston’s doctor prescribe, to treat his hypertension (high blood pressure)?

Group of answer choices

a) A drug that increases hormone A levels

b) A drug that decreases hormone B levels

c) A drug that decreases hormone A levels and increases hormone B levels

d) A drug that increases both hormones A and hormone B levels

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