Block B4 - Sense Organ Problems
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- Parkinson's disease
- a neurodegenerative disease characterized, in part, by the death of dopaminergic neurons in the pars compacta of the substantia nigra. The major symptoms of Parkinson's disease include tremor, akinesia, bradykinesia, and stiffness. Signs are repetitive "pill-rolling" movement of the hands, persistent tremors, and a shuffling gait with small steps. There are non-motoric symptoms as well as motoric symptoms.
- of, relating to, resembling, producing, or mediating parasympathetic effects.
- an increase in muscle tone due to hyperexcitability of the stretch reflex.
- a neurological disorder characterized by jerky involuntary movements affecting especially the shoulders, hips, and face. It is a state of excessive, spontaneous movements, irregularly timed, non-repetitive, randomly distributed and abrupt in character. Patients with chorea exhibit motor impersistence (ie, they cannot maintain a sustained posture). When attempting to grip an object, they alternately squeeze and release ("milkmaid's grip"). When they attempt to protrude the tongue, the tongue often pops in and out ("harlequin's tongue").
- a lack of muscle control during voluntary movements, such as walking or picking up objects. A sign of an underlying condition, ataxia can affect movement, speech, eye movement and swallowing. Persistent ataxia usually results from damage to the cerebellum — the part of the brain that controls muscle coordination.
- a brief, involuntary twitching of a muscle or a group of muscles. Hiccups are a kind of myoclonic jerk specifically affecting the diaphragm.
- Dizziness is a general, non-specific term to indicate a sense of disorientation. Vertigo is a type of dizziness and refers to a false sensation that oneself or the surroundings are moving or spinning (usually accompanied by nausea and loss of balance) that is a result of a mismatch between vestibular, visual, and somatosensory systems.
- temporary loss of consciousness caused by a fall in blood pressure.
- Clinical Oriented Anatomy of Cerebrum, Cerebral Trunk, and Cerebellum
- Clinical Oriented Anatomy of Blood Vessels of the Brain, Cerebrospinal Fluid, Meninges, and Sense Organs
- Drugs Acting on Autonomic Nervous System
- Drugs Used in Partial Seizures and Generalized Tonic-Clonic Seizures
- Administration of Parenteral Dosage Form
- Alpha Quest - Batch 2007.
This miniquiz has 30 multiple-choice questions and covers week 1 to 3.
- Batch 2010 Regular (Weeks 1-2) - Almost identical to the exam received by batch 2011.
- Batch 2010 Regular (Weeks 3-4) - Several of the questions from this came up on the exam for batch 2011.
- Batch 2008
- Overview of nervous system in simple English - Suny.edu.
- Parkinson's disease on Wikipedia.
- Parkinsonism and Parkinson's Disease on Patient.co.uk.
- Dopamine vs Serotonin on eHow.com.
- Tremor on Wikipedia.
- Diagnosing and treating tremors on Medicinenet.com.
- Romberg test on Youtube.
- Dizziness on Patient.co.uk.
- Multiple Sclerosis on Patient.co.uk.
- Normal Pressure Hydrocephalus on Patient.co.uk.
- Neurological history and examination on Patient.co.uk.
- Vertigo on Patient.co.uk.
- BPPV on Patient.co.uk.
- Dix-hallpike/Epley test on Youtube.
- Tinnitus lecture slides on Youtube.
- Cerebellar ataxia on Wikipedia.
- Huntington's Disease on Stanford.edu.
- How to diagnose brain tumors on John Hopkins Medicine.
- Lab tests for brain tumors on American Brain Tumor Association.