kicks up on its own. This happens because when the doctor hits your kneecap‚ the tendon under it gets stretched‚ which in turn will send a signal to an awaiting motor neuron so it can command the muscle to contract. Let’s take for example the reflex arc. A reflex is the involuntary movement of the body in response to a stimulus such as pain. The nerve impulses move so quickly that the person being affect doesn’t think about it‚ he just does it. Skin has a lot of sensory receptors‚ and when they are
Premium Knee Classical mechanics Flexion
tract. 5) Damage to this nerve would cause difficulty in speech and swallowing‚ but no effect on visceral organs. 6) Damage to this nerve would keep the eye from rotating inferolaterally. Using the Figure‚ identify the following components of the reflex arc: 7) Integration center. 8) Sensory neuron. 9) Effector. 10) Motor neuron. 11) Receptor. Match the following: A) Abducens B) Vestibulocochlear C) Olfactory D) Vagus E) Accessory 12) Formed by the union of a cranial and a spinal root
Premium Nerve Nervous system Action potential
Ankle-Jerk Reflex Foot Twitched Foot Twitched Biceps Jerk Did not detect Did not detect Triceps Jerk Did not detect Did not detect Pupillary Pupils did not change Pupils did not change Babinski Toe flexed Toe flexed Uvular Gagged Gagged Reaction Time 30cm/5cm/10cm 30cm/20cm/15cm Purpose: The purpose of this lab is to show reflexes and how the nervous system arcs and nerve impulses work in order to test out a certain reflex. Hypothesis: The reflex testings’ will
Premium Nervous system Neuron Axon
Martini: Fundamentals of Anatomy & Physiology 9th Edition Chapter 13 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The spinal cord is part of the A) peripheral nervous system. B) somatic nervous system. C) central nervous system. D) autonomic nervous system. E) afferent nervous system. Answer: C 2) The ________ is a strand of fibrous tissue that provides
Free Spinal cord Nervous system
INVESTIGATIONS INTO THE EVOLUTION OF AUSTRALIAN MAMMALS WITH A FOCUS ON MONOTREMATA Thesis submitted by ANNE MARIE MUSSER August 2005 For the Degree of Doctor of Philosophy in the School of Biological‚ Earth & Environmental Sciences University of New South Wales ABSTRACT This thesis began as an investigation into evolution of the platypus family (Ornithorhynchidae‚ Monotremata)‚ now known from both Australia and South America. The thesis broadened its scope with inclusion of non-ornithorhynchid
Premium Mammal
Megan smith New-born Reflexes Root Reflex – This reflex is normally present from birth and begins when the baby’s mouth is touched. The baby with turn their head and open their mouth and “root” in the direction of the touching. This helps the baby find the bottle or breast to begin feeding. Suck Reflex – When the roof of a baby’s mouth is touched they will begin to suck. Premature babies often have a weak or immature sucking ability as this particular reflex does not begin until the 32nd week of
Premium Infant Child development Developmental psychology
Pupillary light reflex protects the internal parts of the eye that are can be damaged with intense light. Constricting allow less light to penetrate the eyes. No‚ the mean reaction times varied between all of the conditions set. Our results showed distraction with the
Premium Psychology Emotion Brain
see some of the prewired reflex’s that prove a human baby has a high probability to survive. Human babies come prewired into this world with a suckling reflex. If you are to ask a mother she will verify this fact. If anything lightly touches a babies face they have a prewired natural response to shift their heads and start suckling.. . It’s a reflex that is necessary to their survival‚ so there isn’t a big surprise that babies are born with this instinct. (Luo‚ 2010). It is believed that babies
Premium Infant Breastfeeding
not. 1. Using the information discussed in the text as well as the provided supplemental information posted to blackboard answer the questions below for two observed reflexes or voluntary movements. You can work with the infant to produce the reflex if needed. 1. Walking/ Stepping- makes step like
Premium Observation Knowledge Scientific method
jumping into a hot bath or cold lake. After a short time‚ the body reduces the amount of information arriving at the cerebral cortex. Most sensory information is routed towards the spinal cord and triggers involuntary reflexes such as withdrawal reflex e.g. removing the hand from a hot stove. We can
Premium Action potential Neuromuscular junction Skeletal muscle