This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Subject name: Medicine
All the following are cardinal motor features seen in Parkinson&;s Disease Except 
Select and explain. 
A. Bradykinesia, B. Intentional tremor, C. Rigidity, D. Postural instability
B: Intentional tremor
Answer: B: Intentional tremor 
Explanation: Clinical Features of Parkinson's DiseaseCardinal MotorFeaturesOther Motor FeaturesNonmotor FeaturesBradykinesiaRest tremorRigidityGait disturbance/postural instabilityMicrographiaMasked facies (hypomimia)Reduced eye blinkingSoft voice (hypophonia)DysphagiaFreezingAnosmiaSensory disturbances (e.g., pain)Mood disorders (e.g., depression)Sleep disturbances (e.g., RBD)Autonomic disturbancesOhostatic hypotensionGastrointestinal disturbancesGenitourinal disturbancesSexual dysfunctionCognitive impairment (MCI/dementia)Ref: Harrison&;s principles of Internal medicine; 19th edition; Chapter 449; Page no: 2609