Neuroanatomy Quiz
Preview:
You now want to determine if there are voltage-gated potassium channels functioning in your unidentified cell. Which of the following pharmacological agents did we discuss in class that could be used.
A. TTX
B. a-bungarotoxin
C. tetraethylammonium (TEA)
D. conotoxins
Which component of the nervous system acts as the “gate” in the gate control theory of pain?
A. The brainstem
B. The spinal cord
C. The thalamus
D. The somatosensory cortex
The insular cortex integrates information from
A. •Face and tongue
B. •Visceral organs
C. •Both of the above
D. •None of the above
Which brain structures are primarily involved in motor adjustment?
A. Cerebellum and basal nuclei
B. Prefrontal cortex and cerebellum
C. Thalamus and hypothalamus
D. Amygdala and brainstem
Subthreshold depolarizations in the membrane potential that do not activate voltage gated sodium channels are referred to as what type of event?
A. Action potential
B. Inhibitory postsynaptic potential (IPSP)
C. Excitatory postsynaptic potential (EPSP)
D. Nernst potential
D1 and D2 receptors are located where in the basal ganglia?
A. Putamen
B. Substantia nigra
C. Subthalamic nucleus
D. All of the above
Which of the following conditions can result from an imbalance in cerebrospinal fluid production and absorption?
A. Stroke
B. Meningitis
C. Hydrocephalus
D. Alzheimer’s disease
Which of the following is false? Decreased cortical activity will lead to:
A. •Increased sweating
B. •Increased heart rate
C. •Increased tearing
D. •Reduced saliva
What is the pathophysiology of myasthenia gravis?
A. •Antibodies overstimulating the acetycholine receptors in the muscle fibers
B. •Antibodies blocking the acetylcholine receptors in the muscle fibers
C. •Both of the above above
D. •None of the above
Which of the following areas is NOT commonly associated with referred pain from a myocardial infarction (heart attack)?
A. Left shoulder
B. Left arm
C. Right leg
D. Chest
Regarding the spinal nerves, all the following are true, Except:
A. There are 31 pairs
B. The anterior root is motor
C. The posterior ramus is pure sensory
D. Nerve plexuses are formed by the anterior rami
accessory nerve (spinal root) nucleus
A. motor nucleus of XI
B. nucleus of the solitary tract
C. nucleus ambiguus
D. sensory nucleus of XI
Regarding the cerebellum, all the following are true, Except:
A. Formed of 2 hemispheres
B. There is a median vermis
C. It has an inner white matter
D. It helps in maintaining balance
Locus Coeruleus is located here and this structure plays a role in movement. Damage here may result in Gaze Palsy.
A. Medulla
B. Midbrain
C. Pons
D. Cerebellum
Which type of food sensitivity should be considered in somebody with idiopathic sporadic ataxia?
A. •Peanut butter
B. •Redbull
C. •Chocolate
D. •Gluten