Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Chapter 30.5, Problem 3MC
Summary Introduction
To determine:
How the regulation of the blood pressure is an example of negative feedback mechanism.
Concept introduction:
Blood pressure is known as the force exerted by the blood on the walls of the blood vessels, and it is determined in terms of the systolic and diastolic pressure. The systolic pressure of the blood is reflected by the powerful contraction of the ventricles and the relaxation of the ventricles reflects the diastolic pressure.
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Chapter 30 Solutions
Biology: Concepts and Investigations
Ch. 30.1 - What are the components of a circulatory system?Ch. 30.1 - Distinguish between open and closed circulatory...Ch. 30.1 - Describe the circulatory systems of fishes,...Ch. 30.2 - What are the components of blood?Ch. 30.2 - Prob. 2MCCh. 30.2 - Prob. 3MCCh. 30.3 - Prob. 1MCCh. 30.3 - Prob. 2MCCh. 30.4 - Why is the heart sometimes called two hearts that...Ch. 30.4 - Prob. 2MC
Ch. 30.4 - Prob. 3MCCh. 30.4 - Prob. 4MCCh. 30.5 - Prob. 1MCCh. 30.5 - Prob. 2MCCh. 30.5 - Prob. 3MCCh. 30.6 - Prob. 1MCCh. 30.6 - Prob. 2MCCh. 30.6 - Prob. 3MCCh. 30.7 - Prob. 1MCCh. 30.7 - Prob. 2MCCh. 30 - What is the advantage of a four-chambered heart?...Ch. 30 - Prob. 2MCQCh. 30 - Which of the following blood transfusions would be...Ch. 30 - Prob. 4MCQCh. 30 - Prob. 5MCQCh. 30 - Prob. 6MCQCh. 30 - Prob. 7MCQCh. 30 - How are open and closed circulatory systems...Ch. 30 - Prob. 2WIOCh. 30 - Prob. 3WIOCh. 30 - Prob. 4WIOCh. 30 - Prob. 5WIOCh. 30 - Describe the events that occur during one cardiac...Ch. 30 - Make a chart that compares systemic arteries,...Ch. 30 - Prob. 8WIOCh. 30 - Prob. 9WIOCh. 30 - Prob. 10WIOCh. 30 - The carotid artery extends from the heart to the...Ch. 30 - Prob. 12WIOCh. 30 - Prob. 13WIOCh. 30 - Name three ways that the circulatory system helps...Ch. 30 - Prob. 15WIOCh. 30 - Prob. 16WIOCh. 30 - Prob. 1PITCh. 30 - Prob. 2PITCh. 30 - Prob. 3PIT
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- Describe in detail the negative feedback mechanism that regulates blood pressure. ANSWER SHOULD INCLUDE: Cardiovascular system response to a fall IN BP: Name location of receptors Afferent pathway - how signal is sent to CNS ( i.e. branch of ANS involved, name of neurotransmitters/ hormone) Name and location of control of control centre in CNS Efferent pathway - how signals is sent to effectors . Name and location of effectors How effected bring about change in BP LINK to BP equation Cardiovascular system response to a rise in BP ( AS BOVE )arrow_forwardHow does a large amount of salt in the diet lead to an increase in blood pressure?arrow_forwardDescribe a homeostatic mechanism that helpsregulate blood pressure.arrow_forward
- What is the role of the cardiovascular center in the feedback loop when blood volume and blood pressure fall? A) Control Center B) Effector C) Variable D) Receptorarrow_forwardWhy is the gap junctions between heart muscle cells play a relevant role in producing a regular heartbeat?arrow_forwardIn a essay explain the three modes of regulation which are local, neural, and hormonal pertaining to blood pressure and blood vessel efficiency.arrow_forward
- Epinephrine is released during vigorous exercise. How would epinephrine cause vasoconstriction in the digestive organs but vasodilation in the heart?arrow_forwardIn the negative feedback loop of blood pressure regulation, which of the following would be the effector? A) baroreceptors b) heart muscle c) the Brainarrow_forwardWhat is the difference between circulatory and endocrine system?arrow_forward
- What might happen in this feedback loop if bone marrow is diseased and is unable to make enough red blood cells?arrow_forwardThe major mechanism for long-term regulation occurs throughthe blood volume. True or false?arrow_forwardwhich is more important in blood pressure regulation heart or kidney? give specific reasons whyarrow_forward
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