Explain how the pineal gland can be sensitive to light, even though it is located deep within the brain.

Q: What might be the possible mechanism for the effect of gynema on the perception of taste? With det

A: The ability to taste sweet, salty, sour, and bitter is not divided among the tongue's different…

Q: Describe the conjunctiva and state its function. Name the primary glands of the endocrine system…

A: Conjunctiva: The conjunctiva is basicay a part of eye. It's a losse connective tissue which…

Q: Sometimes, the young ones born have an extremely different set of eyes or limbs. Give a relevant…

A: Introduction There are many reasons for abnormality, explanation is given in the bellow step.

Q: Explain the effect of blocking out the sun for several months or years.

A: Sun is the major source of energy on earth for all species. It has been the energy provider for the…

Q: Describe the effects of light on the photoreceptors and explain how these effects influence the…

A: Cells that are present in the retina region of the eye that are responsive towards light are called…

Q: Antihistamines are drugs that block the effect of histamine. Why do antihistamines help alleviate…

A: Nasal congestion is also referred as stuffy nose. When the tissues and blood vessels of the nasal…

Q: Describe Hormones affect on attention?

A: Hormones are produced from the endocrine glands. Hormones are proteins and are responsible for…

Q: Explain the pain pathway and how Morphine alters the conscious perception of pain.

A: Nociception is the process of noxious stimuli through the nervous system. Once pain is received in…

Q: Sensations caused by simultaneous stimulation of more than one kind b. Sensations that are not…

A: Correct option  b. Sensations that are not caused by a physical stimulation

Q: Explain why one early symptom of vitamin A deficiency is the impaired vision at night?

A: Vision is a sense related to eyes. Eye is one of the sensory organs present in the body of an…

Q: Describe the effect on vision of a tumor in the hypothalamus or pituitary gland that compresses the…

A: Visual information is passed from the axons of the ganglion cells to the brain through the optic…

Q: What is the mechanism of action of Consensual Light Reflex?

A: The reflex arc is a nerve pathway involved in the reflex action. In a reflex arc, signals travel…

Q: Describe how light influences the pineal gland

A: It is attached to the roof of the third ventricle of the forebrain. It consists of pinealocytes…

Q: Trace the path of a nerve impulse from the retina to thevisual cortex.

A: Advent of Ocular:                 Functionally eye mimics a camera and the retina with photographic…

Q: Given that noise pollution induces stress, what other body systems may beaffected?

A: Answer- Ears are adapted to take sound signals and transfer it to the auditory rreceptors in the…

Q: Describe the location of the pineal gland, and discuss the functions of the hormone it produces.

A: Answer- The pineal gland is located in the epithalamus region of the brain.

Q: Explain how light affects the function of the pineal gland. What is the relationship between pineal…

A:

Q: Explain the function of pheromones.

A: Pheromones are volatile chemicals that are secreted exteriorly by one individual of a species to…

Q: How do nimodipine and pentoxifylline work to increase blood flow to the eye and retard the…

A: Blood is a biological fluid that circulates within the blood vessels to deliver oxygen and nutrients…

Q: Night vision begins with stimulation of_______ . a. hair cells c. cone cells b. rod cells d.…

A: Night vision is responsibility of rod cells

Q: Name the receptors that are sensitive to chemicals.

A: Receptors are present at different parts of the body to perceive signals like change in temperature,…

Q: Fill in the blank:  Sour receptors are mainly stimulated by _______________________.

A: Taste is a result of nerve impulses that travel from mouth to brain. The gustatory cortex is located…

Q: Explain briefly on entering a poorly lit room, one feels blinded for a short while.

A: The eye is an organ that controls and enables sight. It has a number of components including cornea…

Q: Proprioceptive sensations are transmitted by all the following pathways, except :-a- spinothalamic…

A: Proprioceptive sensation lets us perceive the movement, location, and action of the body parts. It…

Q: Explain why some children with retinoblastoma develop multiple tumors of the retina in both eyes,…

A: Retinoblastoma (Rb) is a rare form of cancer that rapidly develops from the immature cells of retina…

Q: Describe the photopupillary reflex.

A: Photopupillary reflex and the accommodation pupillary reflex both reflexes protect the eye from…

Q: List several factors that can alter the perception ofpain and the response to pain.

A: The feeling that is uncomfortable in nature and that arises the feeling of something may be wrong is…

Q: Describe in detail the physiological and psychological effects of LSD and related hallucinogens.

A: Often drugs and certain medications can have different physiological and psychological effects…

Q: Explain the photoperiod and its relationship to pinealgland secretion.

A: Hormones are chemical messengers and help in the growth and development of organisms. The different…

Q: Explain the factors that may alter pain perception.

A: psychological factors biological factors social factor

Q: Describe the role of the hypothalamus in bringing about changes to the blood vessels of the human…

A: The hypothalamus is a minor brain area. It is found near the pituitary gland at the base of the…

Q: Identify the effects and dangers of using hallucinogens.

A: Hallucinogen is the pychoactive substance which causes hallucination

Q: Describe the nervous system component of SAD by explaining how the nervous system is involved in…

A:

Q: From the perspective of the recipient of the signal, in what ways do pheromones differ from other…

A: Sense organs are specialized organs that assist humans in seeing the world.  They are an important…

Q: Which of the following hormones is NOT secreted by the thyroid gland? O a) triiodothyronine b)…

A: The thyroid gland uses iodine from food to make two thyroid hormones triiodothyronine, thyroxine and…

Q: Warning pain is carried by ______________ nerve fibers.

A: The somesthetic sense is one that mainly deals with the feelings of the body. Even many of the…

Q: (d) Match the items given in Column A with the most appropriate ones in Column B and rewrite the…

A: Cranial nerve- 12 pairs Leydig cells - Testosterone Acetylcholine - Neurotransmitter Spinal nerves -…

Q: Describe the sense of touch including its components and the biochemical basis for their detection

A: Touch, like the taste, is a set of sensory systems manifested in a single organ—in this case, the…

Q: Name the gland that secretes emergency hormone.

A: A hormone is a chemical or protein that works on a certain tissue or organ to do an action.