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Permeability of which of the following increases during depolarization?
During depolarization, the permeability of Na+ (sodium ions) increases. This influx of sodium ions causes the inside of the neuron to become more positive, leading to depolarization.
Which of the following of are main divisions of autonomous nervous system?
The main divisions of the autonomic nervous system are the Sympathetic and Parasympathetic systems. These systems work together to regulate involuntary body functions such as heart rate, digestion, and respiratory rate.
Which of the following option indicates correct chronology of structures of the ear (from outside is inside)?
The correct order of structures in the ear from outside to inside is: utricle, saccule, and cochlear duct. The utricle and saccule are part of the vestibular system, which is responsible for balance, while the cochlear duct is part of the cochlea, responsible for hearing.
Few statements about tympanic membrane are given here which of the following option shows all correct statement for it?
The malleus bone is one of the three ossicles in the middle ear and it directly attaches to the tympanic membrane (eardrum). This helps in transmitting sound vibrations from the air to the inner ear.
Which of the following option indicates correct chronology of middle ear ossicle (from Thympanum to internal ear)
The correct order of the middle ear ossicles from the tympanic membrane to the internal ear is: malleus, incus, and stapes. The malleus attaches to the tympanic membrane, the incus connects the malleus to the stapes, and the stapes fits into the oval window leading to the internal ear.
Which of the following is filled with perilymph?
The cochlea is a part of the inner ear, and the area around the cochlear duct (also known as the scala vestibuli and scala tympani) is filled with perilymph. Perilymph is a fluid that resembles extracellular fluid and is found within the bony labyrinth of the inner ear.
What is ciliary body?
The ciliary body is the thickened anterior part of the choroid. It contains the ciliary muscle and the ciliary processes, which help in the accommodation of the lens and the production of aqueous humor.
Iris is a continuation of
The iris is a continuation of the ciliary body. Both structures are part of the uvea, which is the middle vascular layer of the eye, consisting of the iris, ciliary body, and choroid.
Which type of muscle are present in ciliary body?
which basic Colour Photoreceptors are Present in human eye?
The human eye contains three types of color photoreceptors known as cones, which are sensitive to red, green, and blue light. These three colors combine in various ways to allow us to perceive a wide spectrum of colors.
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The bank mixes NEET previous year questions (PYQs) with practice questions, each tagged with its exam appearances where applicable.