When Taylor begins to feel drowsy while driving, she opens her window, turns up the volume of the car stereo, and sips ice-cold water. How do these actions keep her awake?

Q: What kind of innervation is involved in the sensation of "full"?

A: Hypothalamus in our brain controls our hunger. There are certain nerve cells in our hypothalamus…

Q: Which two states of consciousness are between alertness and coma?

A: The states of awareness in individual surroundings and of what is in an individual mind at a given…

Q: What is the route to brain when substance intake is through snoring ?

A: Medications are administered through various routes such as oral, intravenous, nasal, sublingual,…

Q: What are the functions of the nondominant hemisphere?

A: Brain includes as part of the central nervous system or CNS that lies in the cranial cavity.…

Q: What would happen if we could act out our dreams? Would it be like sleepwalking?

A: If anybody is having a REM sleep behavior disorder, then instead of experiencing of some…

Q: Which is NOT a consequence of sleep loss?

A: Hallucinating.

Q: Marvin has had trouble sleeping. Last night his mother found him sleepwalking and gently led him…

A: The two types of sleep are NREM (non-rapid eye movement) sleep and REM sleep and the former is…

Q: What are the functions of the cerebral cortex?

A: BASIC INFORMATION  BRAIN  Human brain weighs around 1 to 1.5 Kilograms.  It is present inside a…

Q: How does the regulation of sleep exemplify the general principle ofthe physiology that homeostasis…

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

Q: What is The Diencephalon?

A: Human brain is situated in the cranium or skull. It contains following parts namely- forebrain or…

Q: What are Schwann cells?

A: Schwann Cells : These are the major glial cell type in the peripheral nervous system. In the mature…

Q: What are Schwann cells ? Explain the importance of these cells ?

A: The nervous system consists of the brain, spinal cord and neurons. The parts of a neuron are…

Q: The action of the coccygeus is to_______________________________

A: Coccygeus is situated within the plane of the pelvic outlet. Its location is posteriorly superior…

Q: What is the sympathetic division?

A: Sympathetic Division is one of the two main divisions of the Autonomic Nervous system. This division…

Q: Where are Schwann cells located? What is their role?

A: The human body comprises several organ systems. These organ systems work in a coordinated manner to…

Q: What are meninges andcerebrospinal fluid?

A: A brain is an organ that serves as the center of the nervous system in all vertebrates and most…

Q: What is the cortex?

A: The cerebral cortex is basically a sheet of neural tissue which is peripheral to the frontal cortex…

Q: What does the paraventricular nucleus do?

A: The hypothalamus is a part of the brain which is considered a neuroendocrine structure because it…

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: Define the functions of medulla oblongata ?

A: Answer

Q: What are sleep’s functions?

A: Sleep refers to a state of unconsciousness that allows the brain to rest for a short period of time.…

Q: Which are the Sleep–Wakefulness Stages?

A: Brain is defined as the largest and the most complex organ that is present in the anterior part of…

Q: All of the following are functions of the hypothalamus except a. controls endocrine system. b.…

A: The hypothalamus is considered to be a link structure between the nervous and the endocrine system,…

Q: What does the hypothalamus act on?

A: Hypothalamus is well known and crucial region present the pituitary gland in the brain. Hypothalamus…

Q: A person living in a coma is considered living or dead?

A: Coma is a prolonged stage of sleep caused by a variety of factors such as traumatic brain injury,…

Q: If your spinal cord was severed around T7, which limbs would you not be able to control?

A: Spinal injuries results from motor vehicle accidents , fall from the height , sports , during…

Q: Compare and contrast the amount of sleep infants, youngchildren, teenagers, and adults typically…

A: The reticular activating system processes different stimuli such as visual, auditory, or touch. It…

Q: What effect would loss of sympathetic stimulation have on the flow of air into the lungs?

A: All body functions are regulated by the nervous system and endocrine system. These systems work…

Q: What is the location and function of the interneuron?

A: Each of the body systems works in collaboration with other systems. Nervous system helps to carry…

Q: What cells are the only output of the cerebellum?

A: Answer: CEREBELLUM : It is the small structure at the back of the brain or major part of the hind…

Q: What is the right hemisphere of the brain?

A: It is the central organ of Nervous System in humans. It helps in controlling activities of the body,…

Q: According to Sigmund Freud, which of the following statements is true?

A: D is the correct statement. Accirding to the psycho analytic theory,personality.is mostly…

Q: What parts of the brain develop from each primary brain vesicle?

A: The brain is a part of the central nervous system that is located within the skull. It functions as…

Q: What are the functions of the various cerebral cortex regions?

A: The cerebrum is the largest part of the human brain which is divided into two hemispheres called…

Q: What are the adult derivatives of the myelencephalon? Discuss.

A: Introduction: The nervous system is categorized into the peripheral nervous system (PNS) and the…

Q: List the types of Sleep?

A: Sleep is essential for organisms for proper functioning. The sleep cycle is regulated by the…

Q: What are the functions of the cerebellum?

A: The second largest part of the human brain is the cerebellum (means simply "little cerebrum"). It is…

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…

Sleep Physiology

Sleep is a condition of reduced muscle movement in the body. Awareness about the surroundings is reduced at the time of sleep. The body stays mildly responsive or non-responsive to external stimuli. The sleep-wake cycle is controlled by the circadian rhythm that produces a resting phase for the body.