Which receptor is an adrenergic receptor that results in broncodialation when activated by agonist? a. M2 b. Beta 1 c. Beta 2 d. Alpha 1

Q: Cocaine is commonly referred to a hallucinagen because it makes the mind race? A.  True B.…

A: Cocaine is a drug that underlies in the stimulant category of the drugs. The cocaine is extracted in…

Q: An association nucleus of the thalamus is one that receives input from several different sources and…

A: The thalamus is one of the major centers of the brain, located deep inside the diencephelon region.…

Q: 01

A: Introduction: The thalamus is a part of the diencephalon and is located deep in the forebrain, just…

Q: When ethanol binds to glutamate receptors it operates as a receptor ______________________ and…

A: Introduction :  A chemical that mimics the behaviour of another drug and triggers an action os known…

Q: If you were to develop a rare condition in which you were not able to remember to be afraid of…

A: Brain can be defined as the soft organ of the body made up of nervous tissue and is secured in the…

Q: ____________ is a neuromodulator that blocks the conduction of pain signals by second-order spinal…

A: Neuromodulators are substances that do not directly activate ion-channel receptors but that, acting…

Q: Which brain structure relays incoming sensory information? a. thalamus c. reticular formation b.…

A: Brain is the central or the important organ of the CNS or central nervous system. CNS mainly…

Q: The primary motor cortex is located in which cerebral structure? a. precentral gyrus b. postcentral…

A: The primary motor cortex is a brain area situated just in front of the central sulcus and is the…

Q: Increased blood pressure is detected by the baroreceptors in the carotid artery and aortic arch…

A: We know that Neural control of the cardiovascular system involves two nerve centers- the…

Q: When do the posterior parietal cortex, premotor cortex, and supplementary motor cortex become most…

A: Voluntary movements need the participation of the fourth and third levels of hierarchy, the…

Q: Axons from which neuron in the retina make up the optic nerve? a. amacrine cells b. photoreceptors…

A: The transmission of visual signals can be defined as the sequence of events that helps detect and…

Q: Which structure is associated with the embryologic development of the peripheral nervous system? a.…

A: The peripheral nervous system is the division within the body's nervous system comprises of Nerve…

Q: 15.What is the greatest difference between the anatomyof the human thalamus and the tha of rats? a.…

A: Thalamus- They are the two ovoid structures that are present in the gray matter of the forebrain and…

Q: The drug Rohypnol ("roofies") acts as a sedative. What is the mechanism by which roofies act in the…

A: Rohypnol (roofies) is also known as Flunitrazepam is a benzodiazepine drug that used for the…

Q: Which cranial nerve does not control functions in the head and neck? a. olfactory b. trochlear c.…

A: The cranial nerves are a set of 12 paired nerves that come directly from the brain. The first two…

Q: Where are parasympathetic preganglionic cell bodies located? a. cerebellum b. brainstem c. dorsal…

A: The autonomic nervous system (ANS) is the part of the peripheral nervous system that acts as a…

Q: Which event listed above is the point at which myasthenia gravis interrupts the process? A. Nerve…

A: A neuron is the structural and functional unit of the nervous system. It helps in the transmission…

Q: Which type of drug would be an antidote to atropine poisoning?a. nicotinic agonistb.…

A: Substance that is used to counteract the poisoning effect is called an antidote. Thus antidote…

Q: What part of the brain is responsible for cognition? a. cerebral cortex b. thalamus c. hypothalamus…

A: The central nervous system's component, which is protected by the skull and functions to regulate…

Q: 7. Which of the following is the receptor type at the autonomic ganglia? a. nicotinic b. muscarinic…

A: The many receptor subtypes include: a.Nicotinic receptors, for example, play a role in the impulse…

Q: Which is FALSE about narcoleptics?   A. Patients experience REM-like paralysis during waking.…

A: Narcolepsy is characterized by the following 5 main symptoms (Cataplexy, Hallucinations, Excessive…

Q: How are charges distributed in the nerve cell membrane when it is at rest? Select one: a. Inner side…

A: Nerve cells or neurons are electrically excitable cells that are distributed throughout the body. A…

Q: Deficits in which brain region is thought to be associated with age-related increases in false…

A: False memories include distorting features of events and situations or recalling facts and memories…

Q: Which statement about nicotinic acetylcholine receptors (nAChRs) is true? a. Each nAChR is composed…

A: Nicotinic acetylcholine receptors (nAChRs) are a type of ion channel receptor found in the nervous…

Q: Which nerve is responsible for taste, as well as salivation, in the anterior oral cavity? a. facial…

A: Cranial nerves arise from the cerebrum and the brainstem and control specific sensory or motor…

Q: When do neural discharges in the brain have their strongest effect? a. When the discharge rate of…

A: Introduction: The basic unit of communication in the nervous system is the nerve cell (neuron). Each…

Q: QUESTION 15 What distinguishes the ANS from the somatic motor system? a. The ANS excites its…

A: The nervous system is functionally divided into sensory nervous system and motor nervous system.…

Q: According to Sherrington, why do the extensor muscles of a leg relax when the flexor muscles…

A: Muscles are the organs of the muscular system and it can be classified into three types based on…

Q: Which neurotransmitter is no longer readily produced in Alzheimer’s patients? a. dopamine c. GABA b.…

A: Neurotransmitter are the substance which helps in sending information from one neuron to other…

Q: An expanding tumor in the ventral posterior thalamus is most likely to injure what pathways in the…

A: The cerebral hemisphere's internal capsule is a component that is present in the white matter of the…

Q: Which of the following treatments for glaucoma has been shown to increase the duration of action of…

A: The correct option is A.

Q: drug antagonist

A: Chemical substances that when ingested induce physiological or psychological changes in an organism…

Q: Which neurotransmitter acts directly at the heart to increase heart rate? a. Norepinephrine b.…

A: The chemical communicators in the body are called neurotransmitters. They transmit information from…

Q: Which structure is the sensor in the reflex arc?    a. muscle spindle b. sensory neuron c. tendon

A: The involuntary, rapid response which is predictable forms a reflex. The neural pathway involved in…