24 Questions
Which part of the cornea will assist greatly in the renewal of a corneal abrasion?
External stratified squamous epithelium
What type of cartilage is found in the auricle?
Elastic
Which structure is NOT an effector organ/structure?
Eyeball
In the auditory pathway, what structure is involved in N3?
Ipsilateral and contralateral trapezoid body
Which layer of skin is composed of loose connective tissue?
Dermis
What is the correct order of the layers of the skin?
Epidermis, dermis, hypodermis
Which of the following is NOT a function of the muscular system?
Regulating body temperature
Which Brodmann's area is responsible for primary visual cortex?
Area 17
What is the optic radiation also known as?
Geniculo-calcarine
At which level of the brain does the developing ear arise?
Rhombencephalon
What is the source of the developing eye?
All of the above
What is the function of the tectorial membrane?
Hearing sensation
Which of the following is NOT a pointed structure?
Ala of the nose
What is the function of the encircled structure in the eye?
Drains the aqueous humor
What is the destination of the optic radiation?
Visual cortex
Which of the following is a type of sensory receptor?
Pacinian corpuscle
Which sinus is located in the inferior part of the falx cerebri?
Inferior sagittal sinus
What is the characteristic of a neuromuscular spindle?
Encapsulated
In which direction do the nasal fibers decussate in the optic chiasm?
Partial decussation
Which type of receptor is non-capsulated?
Hair follicle receptors
Which side of the body is affected by a cerebellar lesion?
The same side as the lesion
Which sensation has a slow adaptability?
Pain
Which of the following is not a type of mechanoreceptor?
Nociceptor
Which part of the falx cerebri contains the superior sagittal sinus?
Superior part
Study Notes
Optic Radiation and Eye Development
- The optic radiations are also known as the Geniculo-calcarine tract.
- The developing ear arises at the level of the rhombencephalon.
- The development of the eye is derived from surface ectoderm, neural crest cells, and neuroectoderm.
Anatomy of the Eye
- The tectorial membrane is a pointed structure.
- The Meissner's corpuscle is a pointed structure.
- The external stratified squamous epithelium layer of the cornea assists in the renewal of corneal abrasion.
Auditory Pathway
- N3 of the auditory pathway involves the Ipsilateral and contralateral trapezoid body + Superior olivary nucleus.
Cartilage and Skin
- The auricle contains elastic cartilage.
- The dermis is the layer of skin that is beneath the epidermis.
Neuroanatomy
- The gastric glands are effector organs/structures.
- The primary visual cortex is not Brodmann's area of the inferior sagittal sinus.
- Neuromuscular spindles are encapsulated.
- The anterior part of the cerebellum is affected in cerebellar lesions, causing deficits on the same side as the lesion.
Receptors
- Hair follicle receptors are non-capsulated.
- Pacinian corpuscles and Ruffini corpuscles are encapsulated receptors.
Identify the parts and functions of the optic nerve, including the optic radiation and tract. Test your knowledge with these multiple-choice questions.
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