Human Physiology: An Integrated Approach (8th Edition)
Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Chapter 22, Problem 18RQ

(a)

Summary Introduction

To determine: The definition and physiological significance of lipoprotein lipase.

Introduction: Proteins are important macromolecules that are involved in most of the metabolic activities. They are composed of amino acids. The amino acids join together with the help of polypeptide bonds to form proteins.

(b)

Summary Introduction

To determine: The definition and physiological significance of amylin.

Introduction: Islet cells are the cluster of cells that release insulin in the body. They are found in the pancreas. Islet cells are involved in the formation of amylin.

(c)

Summary Introduction

To determine: The definition and physiological significance of ghrelin.

Introduction: Food is a vital requirement for the survival of organisms. Every organism requires energy and energy is obtained by the food. There are many types of neurotransmitters that help in food intake.

(d)

Summary Introduction

To determine: The definition and physiological significance of neuropeptide Y.

Introduction: Neurotransmitters are the chemicals that are released by the neurons. They help in generating responses against the stimulus. The neurotransmitters have been divided into four major chemical classes according to the chemicals that they contain.

(e)

Summary Introduction

To determine: The definition and physiological significance of apoprotein.

Introduction: The lipoprotein and lipid complexes present in the epithelial cells of intestines are called chylomicrons. The apoprotein is a part of chylomicrons.

(f)

Summary Introduction

To determine: The definition and physiological significance of leptin.

Introduction: The scientists have proposed a theory called the lipostatic theory. According to it, the signals are passed from the adipocytes to the brain. These signals modulate the eating behavior of the organism.

(g)

Summary Introduction

To determine: The definition and physiological significance of osmotic diuresis.

Introduction: Humans have a well-defined urinary system that helps in the removal of wastes from the blood. The yellowish liquid produced as waste during metabolism is termed as urine. Osmotic diuresis is involved in the urinary system.

(h)

Summary Introduction

To determine: The definition and physiological significance of insulin resistance.

Introduction: Insulin is a hormone that helps in maintains the blood glucose level in the body. The insulin is produced by a cluster of cells called beta cells. The people suffering from diabetes have a low level of insulin.

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Which of the following statements is true? a) High insulin/glucagon ratio activates lipolysis in muscle b) High insulin/glucagon ratio inhibits lipolysis in liver c) High insulin/glucagon d) Low insulin/glucagon ratio activates lipolysis in adipocytes ratio activates lipolysis in adipocytes
When blood glucose levels rise following a meal, the following events occur. Arrange these events in the appropriate sequence.(a) Glucagon is secreted.(b) Glycolysis replenishes ATP supplies.(c) Glucose is absorbed by cells.(d) The liver releases glucose into the bloodstream.(e) Glycogen synthesis (glycogenesis) occurs withexcess glucose.(f) Blood levels pass through normal to below normal(hypoglycemic).(g) Insulin levels rise.
It is noticed that when a strain of mice exercises, their blood glucose drops to very low levels. Which of the following can explain this situation? a) These mice do not make enough insulin b) these mice lack insulin receptors on their cells c)these mice lack glucagon d) these mice cannot synthesize glycogen from glucose

Chapter 22 Solutions

Human Physiology: An Integrated Approach (8th Edition)

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Macromolecules | Classes and Functions; Author: 2 Minute Classroom;https://www.youtube.com/watch?v=V5hhrDFo8Vk;License: Standard youtube license