First (sharp) pain results from activation of ___ fibers. Second (dull) pain from ___ fibers   A. Ia, II   B. C, Ia   C. Aδ, C   D. II, Ia   E. C, Aδ   F. gamma, C

Q: auditory nerve

A: Auditory nerves and the brain Nerve impulses are transmitted from the ear to the brain via the…

Q: R L ||||||| |||||| ||||| H R 50 dB L 0 dB R 50 dB L 10 dB R 50 dB L 25 dB R 50 dB L 40 dB R 50 dB L…

A: The question is asking about the location of a specific auditory neuron within the superior olivary…

Q: The lens of the eye a. may turn opaque and cloudy with age  b. may be removed and replaced with an…

A: The eyes in humans are sensory organs that enable the human vision. It is a paired structure that…

Q: The ability of your eyes to focus diffrentially for obejcts of near vision (less than 20ft) is…

A: The eye is responsible for photosensory activity in human that sense the light stimulus. 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: Substance P_____ . a. increases pain-related signals b. is a natural painkiller c. is the active…

A: Answer is a.)  increases pain related signals.

Q: Glaucoma primarily causes damage to the: A. Iris B. Lens C. Optic nerve D. Cornea

A:

Q: 6. 10 Figure 8.1. Eye, Sagittal 11 12 Figure 8.1 A. Anterior chamber B. Choroid C. Ciliary body D.…

A: Our eyes are sense organs for vision. They also help in perception of colour. Human beings have two…

Q: C. Eye Structures Choose the structure that applies to each statement. More than one structure m be…

A: The human eye is a complex organ responsible for vision. It consists of several structures and…

Q: The ciliary body/ muscle change the shape of  the _____________.    a.sclera b.optic disc…

A: The ciliary body is a circular structure which is basically an extension of the iris. It also…

Q: The tongue that points to the left instead of midline indicates A. Weakness/ paralysis of the left…

A: Introduction A General overview by looking at the tongue is something that is pinkish-red in color…

Q: 1. Hydrocephalus is caused by: a. the osmotic flow of water in the brain     b.  obstruction of…

A: Brain and Cerebrospinal fluid  The cavities inside the brain is filled up by CSF spaces formed of…

Q: intercostal (thoracic) nerves are nerves number.. O A. L1-L4 O B. T2-T12 O C. S4 and S5 O D. C1-C4

A: Nerves are bundles of fibers that are composed of neuronal axons and are a component of the…

Q: __________ are tactile receptors that are located just beneath the skin and respond to changes in…

A: Tactile receptors are corpuscles which is a type of mechanoreceptor present in the skin. These…

Q: 18. The sympathetic neurons make up the __________ of the spinal cord between T1 – L2 segments.  a.…

A: The spinal cord is a long tubular structure made up of nervous tissue. The spinal cord along with…

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: Aside from the lens, damage to the ________ can affect the eye’s ability to focus light. a. iris b.…

A: Cornea, iris (colored part of the eye), lens, pupil (at the center of iris), macula (part of…

Q: Also known as the bubble boy illness? A. Rheumatoid Arthritis B. Lupus C. Asthma D. SCID II. This…

A: Vaccination is the use of vaccines to stimulate your immune system to protect you against infection…

Q: Olfactory receptors project directly to the ________________ and are unique in that signals do not…

A: We can say that Olfactory bulbs are present above the sinus cavity beneath the olfactory lobes. The…

Q: 10. The sense of pain travels to the brain through this type of nerve: a. motor b. efferent c.…

A: The stimulus for any external or internal change is received via specific receptors that are present…

Q: A person with Brown Sequard at C6 would have the following problems…. a. Ipsilateral loss of pain…

A: A condition that permanently or temporarily affects the physical functions, mobility, dexterity, or…

Q: 44. The bones in the middle ear are the A. labyrinth, cerumen, and the ossicles. B. hammer, anvil,…

A: The ear can be divided into three different parts. The inner, middle and external ear/outer ear are…

Q: 28. The hypothesized causes of ALS or Lou Gehrig’s disease is linked to a. glutamate excitotoxicity…

A: ALS or Lou Gehrig’s disease:- is a neurodegenerative disorder characterized by progressive loss of…

Q: Superior rectus Superior oblique Medial rectus Levator palpebrae superioris Lateral rectus Inferior…

A: Human eye is one of the vital sense organ which reacts to light and allows vision. This organ…

Q: All sensory signals except _____ travel to the _____ in the brain before the cerebral cortex. a.…

A: The sensory nervous system is a portion of the nervous system which is accountable for the sensory…

Q: INSTRUCTIONS: Label these illustrations by choosing the letter of the correct label from the given…

A: The given diagram represents the structure of the eye in the sagittal view.  Eye is the sense organ…

Q: Match the term on the left with its correct description in the column on the right. _____ Amygdala…

A: In humans, the nervous system is the complex system that consists of brain and network of nerves…

Q: Hearing in brain is associated with: A. Frontal lobe                                          B.…

A: The brain and the spinal cord are the central nervous system representing the main organs of the…

Q: Appendicitis pain is usually in the lower right quadrant. a. True b. False ____ 5. The heart is…

A: Appendicitis is a medical condition in which the appendix gets inflamed and pus-filled. The appendix…

Q: Headache is not always related to an underlying neurological dysfunction. It may also be caused by…

A: Headaches are a reasonably normal condition that almost everyone will have at some point in their…

Q: Which of the following could result in theDens fracturing and/or stabbing into the medullar…

A: The odontoid process is also known as the dens, which is a protuberance of the axis. Hanging is the…

Q: 26. A person with injury to the _____________ causes the inability to produce sounds properly. a.…

A: The "brain" is organized into two types of tissue: grey matter, which is composed of mixed neuronal…

Q: If you slammed your finger in a car door, it would stimulate _____ pain fibers. Group of answer…

A: Pain is an unpleasant sensation that develops when an individual touches a hot substance,…

Q: name the structure a. ventral root b. anterior white column c. posterior/ dostal root d. posterior/…

A: The groups of nerve fibers linking the spinal cord are called spinal nerves. Spinal nerve transfer…

Q: The optic nerve is formed by __________.     a. ganglion cell dendrites     b. ganglion cell axons…

A: The optic nerve is a network of nerve fibers that transmits visual signals or messages. One connects…

Q: The eye doctor uses an Acetylcholine-receptor blocker to maximally dilate the pupils; this allows…

A: Autonomic nervous system has two divisions - sympathetic and para sympathetic nervous system.…

Q: Tina has had the flu for the past 4 days. It has been the most horrible feeling of her life.…

A: Flu is a respiratory illness and is caused by a virus. The symptoms of flu are very intense . 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: The cones and rods of the outer neural layer receive nutrients and vascular supply from Select one:…

A: Blood vessels are essential means of nutrient and vascular supply to all of the tissues across the…

Q: ____ provides the major internal reinforcement of the posterior part of the eyeball, and helps to…

A: The eye is a special sense organ responsible for our sight.  The eye detects light and converts it…

Q: The ability for mothers to hear their baby's cry, but not other, louder sounds is best explained by…

A: For the human baby before birth, the term fetus is used. The term infant is applied to very young…

Q: 3.single choice Which part of the nervous reflex is fatigable. A. synapse B. sensory receptors C.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: match of brain areas to their correct blood supply

A: The correct matching of brain areas to their correct blood supply.1) Superior Temporal Gyrus:(D)…