Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Textbook Question
Chapter 7.3, Problem 7CC
In the blood glucose example, the increase in blood glucose corresponds to which step of a reflex pathway? Insulin secretion and the decrease in blood glucose correspond to which steps?
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Which of the following homeostatic control systems anticipate fluctuations in a variable and speed up the response even before it is altered? (a) reflex arc
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Reciprocal inhibition between reflexes depends upon all the following,except :-a- presence of inhibitory interneurons in the reflex pathwaysb- presence of excitatory interneurons in the reflex pathwaysc- presence of anion channels in membranes of the involved neuronsd- release of inhibitory transmitters which block cation channels in the reflex pathways
What is the basic difference between a local homeostatic response and a reflex?
Chapter 7 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 7.1 - Name the membrane transport process by which...Ch. 7.1 - What is the suffix in a chemical name that tells...Ch. 7.2 - What is the classic definition of a hormone?Ch. 7.2 - Based on what you know about the organelles...Ch. 7.2 - Prob. 5CCCh. 7.2 - The steroid hormone aldosterone has a short...Ch. 7.3 - In the blood glucose example, the increase in...Ch. 7.3 - Which insulin release pathway in Figure 7.7b is a...Ch. 7.3 - Prob. 9CCCh. 7.3 - Catecholamines belong to which chemical class of...
Ch. 7.3 - What intracellular structure is used for transport...Ch. 7.3 - Prob. 12CCCh. 7.3 - Match the general reflex pathway patterns shown in...Ch. 7.3 - Prob. 14CCCh. 7 - The study of hormones is called _____.Ch. 7 - List the three basic ways hormones act on their...Ch. 7 - List five endocrine glands, and name one hormone...Ch. 7 - Match the following researchers with their...Ch. 7 - Put the following steps for identifying an...Ch. 7 - Prob. 6RQCh. 7 - Prob. 7RQCh. 7 - Prob. 8RQCh. 7 - Prob. 9RQCh. 7 - Prob. 10RQCh. 7 - Prob. 11RQCh. 7 - Why do steroid hormones usually take so much...Ch. 7 - Prob. 13RQCh. 7 - Prob. 14RQCh. 7 - Prob. 15RQCh. 7 - Prob. 16RQCh. 7 - In reflex control pathways involving trophic...Ch. 7 - What characteristic defines neurohormones?Ch. 7 - Prob. 19RQCh. 7 - Prob. 20RQCh. 7 - Prob. 21RQCh. 7 - Prob. 22RQCh. 7 - Prob. 23RQCh. 7 - Prob. 24RQCh. 7 - Compare and contrast the three chemical classes of...Ch. 7 - Map the following groups of terms. Add terms if...Ch. 7 - The terms specificity, receptors, and...Ch. 7 - Prob. 28RQCh. 7 - Some early experiments for male birth control...Ch. 7 - Prob. 30RQCh. 7 - The following graph shows plasma TSH concentration...Ch. 7 - Prob. 32RQ
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- rank the components of a reflex arc in the correct orderarrow_forwardDescribe the structure and function of a simple reflex arc in humans. Include a description of the types of neurons and a discussion of the mechanism of the transmission of a nerve impulse.arrow_forwardWhich of the following is the correct order of components in a reflex? Place in correct order stimulus, effector, efferent pathway, integrating center, afferent pathway, receptor?arrow_forward
- Sketch a diagram or a flow chart to explain how does the autonomic nervous system exert its effects on its target tissue and organs. Give a specific example to illustrate your response.arrow_forwardGive three examples of controlled conditions in the body that arekept in homeostatic balance by autonomic (visceral) reflexes.arrow_forwardFill in the blank: ______________________ muscles in the limbs are the effectors of a withdrawal reflex.arrow_forward
- Reflex output is initiated by an input stimulus and result in an output response. Reflex activity ranges from simple to complex. In a table format, list the different types of reflex and how to assess these functions.arrow_forwardIf a person is given an experimental drug, which response would indicate that this drug is an norepinephrine/epinephrine agonist? decreased blood pressure pupil constriction constriction of respiratory airways high blood sugar (hyperglycemia) decreased heart ratearrow_forwardNumber the events of a reflex arc from 1 (first event) to 5 (last event). CNS sends output via motor neurons to an effector Sensory neurons bring the stimulus to the CNS The muscle contracts CNS processes and integrates the information Sensory receptor detects the stimulusarrow_forward
- Eventually, the peak will not be able to increase in size even if the stimulation intensity increases (this is called the maximal response). Why will it not increase at this point?arrow_forwardWhich of the following is an incorrect pairing?a. norepinephrine dilates the pupilb. epinephrine increases blood pressurec. acetylcholine decreases digestiond. norepinephrine increases heart ratearrow_forwardWhich of the following correctly describes a stretch reflex such as the knee jerk reflex? Group of answer choices Monosynaptic Voluntary control Activated by stimulation of the Golgi tendon organ Contralateral stimulation and muscle effectarrow_forward
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