Horner’s syndrome is a condition that presents with changes in one eye, such as pupillary constriction and dropping of eyelids, as well as decreased sweating in the face. Why could a tumor in the thoracic cavity have an effect on these autonomic functions?

Q: Which of the choices below describe the ANS? A) Sensory and motor neurons that supply the digestive…

A: Autonomic nervous system is a part of peripheral nervous system, functions in digestion,…

Q: Which of these locations in the forebrain is the master control center for homeostasis through the…

A: The control and coordination of the body in humans occur by two systems: the nervous system and the…

Q: The medulla oblongata is one of the smallest sections of the brain. Why can damage to it cause…

A: The control and coordination of the body in humans occur by two systems: the nervous system and the…

Q: All of the following are true regarding the descending motor tracts EXCEPT which one? A. They…

A: The correct option is B.

Q: The autonomic system has two divisions, called thea. CNS and PNS.b. somatic and skeletal systems.c.…

A: The nervous system is the main part of the body that controls all activities that occur in the body.…

Q: The effects of the sympathetic and parasympatheticautonomic divisions differ because

A: The nervous system can be defined as the part of an animal's body that will coordinates with its…

Q: Why are ganglia and nerves not surrounded byprotective structures like the meninges of the CNS?

A: The nervous system is the organ system, which control and coordinates the functioning of the body…

Q: Which of the following provide almost the entire nerve supply of the shoulders and upper limbs? O A.…

A: There are four nerve plexus located in the trunk. Plexus are areas where nerve fibers from different…

Q: All somatic reflexes share all of the following properties except a. they are quick. b. they are…

A: The brain is the organ that is Central to the nervous system. The nerves throughout our body carries…

Q: List 3 functions of cerebellum. Describe the reflex arc mechanism.

A: The cerebellum is a part of brain. At the back side of brain or hind side of brain the cerebellum is…

Q: Most people with Broca’s aphasia suffer from partial paralysis on the right side of the body. Most…

A: Aphasia is a condition caused due to damage to one or more language areas of the brain. In most…

Q: Explain why the parasympathetic division of the autonomic system is called the “housekeeper…

A: Nervous system is divided into three parts- 1. Central nervous system 2. Peripheral nervous system…

Q: What is the most superior of the chain ganglia?

A: The nervous system is one of the vital systems of a body. It is a system of nerves which carry…

Q: What is another name for the visceral motor nervous system?What are the two subdivisions of this…

A: Motor nerves are present in CNS mainly in the spinal cord and transmit signals from CNS to muscle.…

Q: If a blood clot blocked a cerebral blood vessel supplying a small region of the right cerebral…

A: In human physiology, the cerebral cortex is defined as the main part of the cerebrum of the central…

Q: Why is the sympathetic division called the thoracolumbardivision even though its ganglia extend from…

A: Answer: Introduction: Nerve cells or neurons are the structural and functional units of the nervous…

Q: A person with a spinal cord injury is suffering from paresis (partialparalysis) in the right lower…

A: Paresis refers to the condition characterized by weakness in the muscles and lacking of the ability…

Q: If a reflex is a limited circuit within the somatic system,why do physical and neurological exams…

A: Somatic nervous system is one of the two components of peripheral nervous system. It is responsible…

Q: Why does smoking increase the risk of heart disease? Provide two reasons based on autonomic…

A: Smoking is an act of inhaling and releasing the burnings of plant part. This affects the lungs,…

Q: What are the similarities and differences between SNS and ANS reflexes? Explain?

A: SNS stands for Somatic Nervous System whereas ANS stands for Autonomic Nervous System.

Q: Reflexes can be somatic (as in the knee jerk response) or visceral (as in vomiting). Given that both…

A: Reflexes are neuronal circuits that regulate the internal and external environments of the body and…

Q: Sometimes when you stand up too quickly from a lying position, you feel lightheaded. Explain why…

A: Lying horizontally with a torso and face facing upwards is termed as supine position. Lying with…

Q: During a robbery at his convenience store, Dustin was shot in the right cerebral hemisphere. He…

A: The human brain is one of the most complex organs in the whole body. It is made up of millions and…

Q: Surgeons were able to reattach Irving’s amputated limb, sewing both the nerves and the blood vessels…

A: The nervous system is a specialized organ system in the body that helps in the transfer of…

Q: Basal ganglia include all the following, except :-a- caudate nucleusb- dentate nucleusc- subthalamic…

A: The brain of the vertebrates is known to be occupied by the group of subcortical nuclei, arising…

Q: There are two divisions of the autonomic nervous system: Sympathetic and parasympathetic What are…

A: Answer- Peripheral nervous system in vertebrates is divided into two parts- The autonomic nervous…

Q: (a) In the spinothalamic pathway, where are the cell bodies of the first-order neurons located? Of…

A: As per our honor code, we are authorized to answer one question one at a time, since you have not…

Q: All of the following are descending motor tracts, except :-a- Rubrospinal tractb- Spinotectal…

A: The descending tracts are the pathways by which motor signals are sent from the brain to lower motor…

Q: Ms. Norris is brought to the emergency department with injuries to the posterior of her head…

A: The human brain is the most complex and most important organ of the body. Different part of the…

Q: 42 A patient comes to the physician because in church he has begun falling every time he closes his…

A: Introduction  The nervous system is a highly specialized system of an animal that coordinates its…

Q: Fadi was searching for a book on the top of the sideboard. To pick up the book, he scaled the…

A: Nervous system The nervous system originates from our brain and controls and coordinates our body…

Q: Select the correct one. Which structure contains autonomic nuclei involved in regulating…

A: We know that, cells obtain energy by inhaling oxygen and exhaling Carbon Dioxide (CO2). The process…

Q: What kinds of neurons (sympathetic or parasympathetic, preganglionic or postganglionic) are found in…

A: Cranial nerve nuclei_ Sympathetic preganglionic…

Q: A person who is in a vegetative state has no activity in his or her cerebrum. Why can a person in…

A: Vegetative state is a state in which people loss their capacity of thinking, conscious behaviour and…

Q: Neurons in the ________ control motor reflexes. a. thalamus b. spinal cord c. parietal lobe d.…

A: The central nervous system and the peripheral nervous system are the two main components of the…

Q: Which part of the autonomic nervous system promotesdigestion and absorption? How does this occur?

A: Nervous system is very important system which maintains the homeostasis in the body. Nervous system…

Q: Name the components of a visceral reflex specific to the autonomic division to which it belongs

A: In signal transduction, the reflex action can be defined as the involuntary, spontaneous or…

Q: Medical practice is paying more attention to theautonomic system in considering disease states.…

A: Autonomic tone refers to the stimulation or effect of nerve signals carried by sympathetic and…

Q: Peyton felt strange when she awoke one morning. She could not hold a pen in her right hand when…

A: The left hemisphere of the brain controls the right half of the body while the right hemisphere of…

Q: A patient with a stroke cannot gaze conjugately to the left and has a spastic paralysis of the right…

A: Localization refers to the location of the lesion that is causing a patient's symptoms and…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.