Optic nerves Study guides, Class notes & Summaries

The brain and spinal cord are included in which of the following? Central nervous sytsem The cranial nerves 31 pairs of spinal nerves, and branches make up which of the following? Peripheral nervous system A rotational sensation of spinning is considered to be which of the following? Vertigo A sensation of numbness and or tingling of the extremities is referred to as which of the following? Paresthesia Lightly touching the cornea with a cotton ball would be exam...

1. Discuss the anatomy and physiology of the brain and brain stem. a. Explain the function of the twelve cranial nerves I – Olfactory (Smell) Function: Sensory, carries impulses for sense and smell Sign of Dysfunction: Loss or disturbance in the sense of smell. II – Optic (Sight) Function: Sensory, carries impulses for vision Sign of Dysfunction: decreased visual acuity and contrast sensitivity, impaired color vision, and an afferent pupillary defect. (blindness) III – Oculom...

Mid systolic murmur that radiates to left sternal border with a medium pitch; a coarse thrill is palpated as well? - Correct answer-Aortic stenosis During percussion, the patient holds his or her arms in front in order to? - Correct answer-Expose maximum lung area List 2 HPI questions for Chest pain - Correct answer-1. does the pain radiate to the arm or jaw 2. Are there associated symptoms such as SOB, sweating or N/V List 2 patient educations regarding sun exposure - Correct answer-1. A...

Neuroscience EXAM 3– USA (Latest 2023/ 2024 Update) Exam Prep with Questions and Verified Answers| 100% Correct| Grade A Q: this is the partial crossing of fibers where the optic nerves meet Answer: optic chiasm Q: where do the nasal (medial) retinal fibers (responsible for temporal hemifields of vision) crossover in the pathway? Answer: in the chiasm Q: these are posterior to the chiasm and carry visual information from ipsilateral hemiretinas of each eye Ans...

What is suggested when touch and position sense are normal or only slightly impaired, and there is a disproportionate decrease in, or loss of, discriminative sensations? - ANSWER suggests disease of the sensory cortex. Stereognosis, number identification, and two-point discrimination are impaired in? - ANSWER posterior column disease. What does primary headaches include? - ANSWER migraine, tension, cluster, and chronic daily headaches Where does secondary headaches arise? - ANSWER secon...

Portage Learning Anatomy & Physiology 2: Module 2 Exam Questions with correct Answers This layer of the meninges is tightly attached to the brain. Pia mater (menix) The _______ fissure separates the right and left cerebral hemispheres. Median longitudinal What is the purpose of the blood-brain barrier? Describe its maintenance from a cellular level. The blood-brain barrier is a diffusion barrier which prevents most particles from entering the central nervous system tissue,...

5 cranial senses - Answer-olfaction, taste, vision, hearing and equilibrium Olfactory pathway - Answer-odor-olfactory receptors-olfactory nerves-olfactory bulbs-olfactory tracts-olfactory cortex Gustatory Pathway - Answer-Taste buds are on the dorsal surface of the tongue taste-receptors- cranial nerves-medulla-gustatory cortex 6 primary taste sensations - Answer-sweet salty bitter sour umami water Cranial Nerves - Answer-Facial nerve(CN VII)- anterior 2/3s on tongue Glossopharyngeal...

Final Exam: BIOS 252 / BIOS252 (2024/ 2025 Update) Anatomy and Physiology II Exam Review| Questions and Verified Answers| 100% Correct| Rated A -Chamberlain Q: Describe the sliding contraction theory Answer: Acetylcholine NT is released from synaptic end bulbs of neuron, crossing over synaptic cleft, binds to ligand gated receptor present on muscle tissue sarcolemma, generating a muscle end action potential traveling down the T-Tubule. This activates the sarcoplasmic reticulum t...

Exam 2: BIOS 252 / BIOS252 (2024/ 2025 Update) Anatomy and Physiology II Exam Review| Guide with Questions and Verified Answers| 100% Correct| Rated A - Chamberlain Q: What are the 12 cranial nerves? OOOTTAFAVGVAH Answer: I - (Olfactory) 1 II - (Optic) 2 III - (Oculomotor) 3 IV - (Trochlear) 4 V - (Trigeminal) 5 VI - (Abducans) 6 VII - (Facial) 7 VIII - (Auditory or Vestibulocochlear) 8 IX - (Glossopharengeal) 9 X - (Vagus) 10 XI - (Spinal Accessory) 11 XII - ( Hypogloss...

5 cranial senses - olfaction, taste, vision, hearing and equilibrium Olfactory pathway - odor-olfactory receptors-olfactory nerves-olfactory bulbs-olfactory tracts-olfactory cortex Gustatory Pathway - Taste buds are on the dorsal surface of the tongue taste-receptors- cranial nerves-medulla-gustatory cortex 6 primary taste sensations - sweet salty bitter sour umami water Cranial Nerves - Facial nerve(CN VII)- anterior 2/3s on tongue Glossopharyngeal (CN IX)- posterior 1/3 on ...