Pearson eText Fundamentals of Anatomy & Physiology -- Instant Access (Pearson+)
11th Edition
ISBN: 9780136874089
Author: Frederic Martini, Judi Nath
Publisher: PEARSON+
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Chapter 15, Problem 1RQ
Summary Introduction
Introduction:
When a single receptor cell monitors the defined area is known as respective field. The CNS received the information from a sufficiently strong stimulus arrives in the respective field.
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Chapter 15 Solutions
Pearson eText Fundamentals of Anatomy & Physiology -- Instant Access (Pearson+)
Ch. 15 - What do we call the bodys specialized cells that...Ch. 15 - Prob. 2CPCh. 15 - Prob. 3CPCh. 15 - Define adaptation.Ch. 15 - List the major types of general sensory receptors,...Ch. 15 - Identify the three classes of mechanoreceptors.Ch. 15 - What would happen to you if the information from...Ch. 15 - Prob. 8CPCh. 15 - Which spinal tract carries action potentials...Ch. 15 - Prob. 10CP
Ch. 15 - Prob. 11CPCh. 15 - Prob. 12CPCh. 15 - Prob. 13CPCh. 15 - Prob. 1RQCh. 15 - __________ receptors are normally inactive, but...Ch. 15 - Prob. 3RQCh. 15 - Prob. 4RQCh. 15 - Prob. 5RQCh. 15 - Prob. 6RQCh. 15 - Prob. 7RQCh. 15 - What are the three major somatic sensory pathways...Ch. 15 - Prob. 9RQCh. 15 - Which three motor tracts make up the medial...Ch. 15 - Prob. 11RQCh. 15 - Prob. 12RQCh. 15 - What three steps are necessary for transduction to...Ch. 15 - Differentiate between a tonic receptor and a...Ch. 15 - What is a motor homunculus? How does it differ...Ch. 15 - Prob. 16RQCh. 15 - Prob. 17RQCh. 15 - Prob. 18RQCh. 15 - By which structures and in which pan of the brain...Ch. 15 - Prob. 20RQCh. 15 - Prob. 21RQCh. 15 - Prob. 22RQCh. 15 - Prob. 23RQCh. 15 - Prob. 1CCCh. 15 - Prob. 2CC
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- Terry is diagnosed with a lesion that damaged the right ventral posterior medial nucleus of the thalamus. What symptoms would you expect Terry to show? Question 8 options: a) Loss of pain, temperature, and mechanosensation from left face b) Loss of mechanosensation from full face c) Loss of pain, temperature, and mechanosensation from left face and left body d) Loss of pain and temperature from left face and loss of mechanosensation from right face e) Loss of pain and temperature from left face and left bodyarrow_forwardJuliette lost her left thumb in an accident. Now, whenever she pushes her hair off her forehead, she feels as though she is touching her left thumb, which she no longer has. What best explains what has happened in the area of Juliette’s brain that processes sensation in the body to lead to the phantom sensation. Question 5 options: a) Old memories of sensations related to brushing her hair back simply reassert themselves even though the thumb is no longer present b) Sensory neurons from the scar tissue overlying the stump of the amputated thumb have become hypersensitive to touch sensations c) Sensory neurons that received input from the thumb now respond to input from surrounding cells that receive input from the rest of the hand d) Neurons from the left side of the neocortex serving the right thumb have taken over control of the neurons on the right and are activated by the…arrow_forwardBlindsight is the condition in which someone with damage in the primary visual cortex reports that they cannot see an object, but can usually guess what that object is. This means that some visual representation must reach the frontal speech area. What non-thalamic pathway might do that? Question 8 options: A) The pathway through the suprachiasmatic nucleus B) The dorsal visual pathway C) The pathway through the superior colliculus D) The magnocelluar or M pathwayarrow_forward
- How does rubbing an injured area reduce pain to that area? A) It is a placebo effect B) Stimulation of somatosensory receptors C) Stimulation of nociceptors D) Rubbing the injured area doesn't reduce painarrow_forwardThe final relay point for ascending sensory information that will be projected to the primary somatosensory cortex is the, (a) hypothalamus. (b) thalamus.(c) spinal cord. (d) medulla oblongata.arrow_forwardWhen light strikes a photoreceptor, it reduces the amount of glutamate that it releases. This releases ___ cells from inhibition, allowing them to release more neurotransmitters and excite ___ cells. This produces action potentials that travel down the optic nerve. A) horizontal; amacrine B) amacrine; horizontal C) ganglion; bipolar D) bipolar; ganglionarrow_forward
- Regardless of the nature of a stimulus, sensory information must be sent to the central nervous system in the form of (a) dendritic processes. (b) action potentials. (c) neurotransmitter molecules. (d) generator potentials.arrow_forwardCharacterize each receptor activity described below by choosing the appropriate letter and number(s) from keys A and B.arrow_forwardSelect the best answer or answers from the choices given: Which reactions occur when a person looks at a distant object? (a) pupils constrict, ciliary zonule (suspensory ligament) relaxes, lenses become less convex; (b) pupils dilate, ciliary zonule becomes taut, lenses become less convex; (c) pupils dilate, ciliary zonule becomes taut, lenses become more convex; (d) pupilsconstrict, ciliary zonule relaxes, lenses become more convex.arrow_forward
- A 20-year-old woman is brought to the emergency department 30 minutes after being found unconscious in her dormitory room. Part of the physical examination involves observing for conjugate eye movements after carefully opening the patient's eyelids and turning the head to the right and then to the left. The presence of this reflex suggests that the neural pathway from which of the following receptors is intact? A) Anterior semicircular canals B) Horizontal semicircular canals C) Posterior semicircular canals D) Saccule E) Utriclearrow_forwardtranscortical connections between the sensory association cortex and the motor association cortex are involved in __.A) conditioned emotional responses.B) sensory memoryC) the acquisition of simple behaviors by observationD) the acquisition of episodic memoriesarrow_forwardThe _ lobe of the cortex contains the primary visual cortex. a) adrenal b) occipital c) frontal d) parietalarrow_forward
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