Galen performed vivisection, or live experimentation, on animals to learn about the nervous system. What did Galen discover with his squealing pig experiment? A) Galen correctly identified that peripheral nerves could control bodily function B) Galen correctly identified the division between the central and peripheral nervous systems C) Galen demonstrated that tendons, ligaments and nerves were separate entities D) Galen demonstated that transection of individual nerves had little functional consequence.

Q: 16)   Nancy was three when a car accident damaged a crucial portion of her brain that controlled…

A: Cerebral cortex is the area of brain which is present above brainstem and cerebellum. This area is…

Q: You are observing a neurological exam. The patient is having difficulty tandem walking. Tandem…

A: A human brain is the main part of the central nervous system. It has different parts and structures…

Q: The molecule responsible for aggregation of nicotinic acetylcholine receptors on the post-synaptic…

A: Nicotinic acetylcholine receptors (nAChRs) are ionotropic receptors found in the central and…

Q: The nervous system sends chemical signals to other distant cells in the form of a) Action potentials…

A: A neuron conveying a message (i.e., a presynaptic neuron) delivers a chemical called a…

Q: When the dentist gives you a lidocaine injection before drilling into a tooth, she numbs a nerve in…

A: During the dental procedure,local nerve block is used which is lignocaine. Lignocaine blocks the…

Q: collections of nerve cell bodies outside the central nervous system are called? a) nerves b)…

A: Central nervous system is made up of brain and spinal cord. Nerve or neuron consists of dendrites,…

Q: 13) when testing the ability of a frog’s skeletal leg muscle to move, which chemical would be best?…

A: Neurotransmitters are chemicals that are responsible for transmitting signals between nerve cells,…

Q: 3) Smooth muscle contraction is regulated by: a) activation (excitation) of myosin. b)…

A: Muscles are of three types: Skeletal muscle  Smooth muscle  Cardiac muscle  Smooth muscle is an…

Q: 10. Which of the following letters on the electron micrograph of a nerve represents a Schwann cell…

A: Introduction  Myelin is a lipid-rich membrane that surrounds nerve cell axons to insulate them and…

Q: Sensory receptor cells transduce physical or chemical stimuli: a) by limiting action potentials b)…

A: Answer is Option (e) into a change in the membrane potential of the sensory receptor cells

Q: In the central nervous system, which of the following cells is thought to play a supporting role in…

A:

Q: Which of the following describes the difference in stimuli required to detect a difference between…

A: To describe: To identify the correct term that describes the difference in stimuli required to…

Q: If you are unable to extend your hips or flex your knees, which nerves are most likely to be…

A: The human nervous system is a "complex network" that includes the brain, nerves, and spinal cord and…

Q: If a person with amnesia later is able to recover his lost memories, it means that the amnesia…

A: The correct option explain in next step

Q: Muscles are powered by: A) Bone marrowB) Electrical impulsesC) IodineD) Gravity

A: Muscles are the tissues involved in the movement of the body parts and body. Muscles are attached to…

Q: fibrous, flattened, sheet-like tissue that connects some muscles to bones is        A)tendon…

A: The musculoskeletal system mediates the primary functions of the body such as movement, protection…

Q: table tennis player must respond quickly to hit a ball no matter which direction it’s coming from…

A: A reflex reaction is a reaction which is given immediately on the arousal of a stimuli that is…

Q: Which structure that detect the change? a.)Stimulus b.)Response c.)Receptor d.)Modulator

A: Homeostasis refers to maintaining an optimum level of certain factors in the body. Like, maintain…

Q: Compared to sparrows, neurons in larger dinosaurs would probably have ______________ myelin and be…

A: Neurones are mainly nerve cells that send messages all over the body to allow to do everything that…

Q: 4) How are the muscle spindles stretched during the patellar reflex? a) Striking the tendon with a…

A: The muscular system in the body is made up of muscle fibres which help in muscle contraction. they…

Q: Refer to the figure shown here. Which of the following would have been a selective agent or pressure…

A: Evolution is a process that involves the change in the characteristics of a species over multiple…

Q: The weight of the brain in the total weight of the body is about:   A) 2% B) 3% C) 4% D) 5%

A: Answer is A.) 2 %

Q: Which sensory receptors are used during the stretch reflex? a) cone b) GTO c) nociceptor d) rod…

A: The signs for the compulsory reflexes are communicated through a progression of designs called the…

Q: Which of the following would be the MOST superficial structure?Question 1 options:A) The Cerebral…

A: The brain is a significant Organ in our body, and it's a part of the central nervous system. It is…

Q: 32. A lesion of the right fasciculus gracilis at C-5 is most likely to result in loss of which of…

A: A lesion of the right fasciculus gracilis at c-5 is most likely to result in loss of vibration sense…

Q: Which of the following is NOT  a characteristic of the function of the vertebrate nerve cell/…

A: The question is to find the wrong statement about of nerve cells. Let's go through each of the…

Q: What does corpus callosum connects in human brain? a) Two optic lobes b) Bone and muscle c) Two…

A: Introduction - The brain is the central organ of the human nervous system, which is made up of the…

Q: what would be the most likely result of damage to the medulla? a) death b) paralysis c) decreased…

A: Introduction: The brain is the human body's command and communication center. The brain receives,…

Q: Studies of the infant brain show signs of what scientists call synaptic pruning. What occurs during…

A: One of the most important and complex organs in the human body is the brain. Made up of billions of…

Q: An animal undergoes bilateral lesion to the subventricular zones. What brain area would be affected…

A: Brain is the most important organ of the nervous system and it is one of the most complex organs in…

Q: What happens in the life of a classical neurotransmitter directly after amino acid precursor…

A: Neurotransmitter is a chemical device that helps in the communication between the presynaptic and…

Q: 1) Which of the following components of skeletal muscle tissue is absent from smooth muscle tissue?…

A: Smooth muscle is a type of muscle tissue that is used by various systems to apply pressure to…

Q: a sample of muscle obtained from an experimental animal is bathed in a solution containing elements…

A: The human body is made up of 4 types of essential/fundamental tissue- Nervous tissue, epithelial…

Q: The experiment that crossed the nerve from a muscle that had a short contraction time "a fast…

A: b.False Detailed explanation given below ?

Q: a) The process of communication WITHIN neurons is called: ____________ b) and this is achieved via…

A: The central nervous system is an integral body organ system concerned with control, coordination,…

Q: 13) Protein filaments in the cell bodies of acetylcholine-producing neurons is a hallmark…

A: Acetylcholine is a neurotransmitter involved in function of  processing the memory and learning.

Q: A four-year-old boy has pain, swelling, and redness, at the site of an insect bite. Inactivation, of…

A: Introduction : Pain is a complex feeling that results from real or potential tissue damage. It is…

Q: neurons innervating receptor cells in taste buds synapse on neurons in which of the following…

A: The tongue is a muscular, conical organ that forms the floor of the oral cavity. It is the organ of…

Q: Descartes' version of the reflex arc was important for understanding the brain's role in sensation,…

A: Introduction:  Rene Descartes developed a mechanism notion of reflex action which includes the act…

Q: Acetylcholinesterase is an important molecule in the engine end plate to share: a) stimulates…

A: Introduction:  Acetylcholinesterase is primary cholinesterase in body. It is also known as AChE or…

Q: hich parts of the brain are involved in the sensation of pain?   a) cerebellum and pituitary gland…

A: Brain regulate and  controls thought, memory, emotion, touch, motor skills, vision, breathing,…

Q: Sacral spinal nerves stimulate the ____ reflex. A)

A: The following 31 pairs of spinal nerves arise from the spinal cord along it's course-8 cervical, 12…

Q: A classmate claims that when an organism is scared, the brain tries to prepare the body to run away.…

A: The autonomic nervous system (ANS) is one of the two primary segments of the peripheral nervous…

Q: which of the following cells found in the glial scar are permissive to axonal regeneration? a)…

A: Axonal regeneration is the process by which injured nerve fibers or axons in the central nervous…