Medical Quiz

Neuroanatomy & Physiology Quiz


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Which of the following is the highest area of sensory processing of the viscera?

A. Solitary nucleus

B. Cerebellum

C. Fasciculus cuneaus

D. Thalamus


Which of the following are the major somatic sensory pathways?

A. Dorsal column medial lemniscus pathway

B. Spinothalamic pathway

C. Spinocerebellar pathway

D. All above


Which of the following receptors reports the position of skeletal muscles and joints?

A. Mechanoreceptors

B. Nociceptors

C. Proprioceptors

D. Interoceptors


Which of the following is not true regarding the paleospinal thalamic tract?

A. It is part of the lateral spinothalamic tract

B. It carries slow pain

C. It uses unmyelinated Type C fibers to carry the pain

D. It uses glutamate as a neurotransmitter


True or False. Sensations that become conscious arrive at the ventral nuclei before getting to the post-central gyrus.

A. TRUE

B. FALSE


True or False. The spinocerebellar pathway consists of information that reaches our awareness.

A. TRUE

B. FALSE


Which of the following cranial nerves carries visceral information from the mouth, palate, pharynx, larynx, trachea, esophagus, glands, and vessels?

A. CN III

B. CN IV

C. CN IX

D. CN X

E. C and D


Which of the following are examples of tonic receptors?

A. Ruffini corpuscles

B. Free nerve endings

C. Tactile discs

D. All above


Which of the following pathways carries sensation of precise touch, vibrations, and proprioception?

A. The spinothalamic pathway

B. The posterior column pathway

C. The spinocerebellar pathway

D. The corticospinal pathway


True or False. An increase of tolerance to constant temperature is an example of central adaptation.

A. TRUE

B. FALSE


Which of the following are phasic receptors that are the most sensitive to high-frequency vibrating stimuli?

A. Root hair plexus

B. Tactile discs

C. Lamellated corpuscles

D. Ruffini corpuscles


Which of the following is not part of the afferent division of the nervous system?

A. Sensory neurons

B. Peripheral effectors

C. Motor pathways

D. Sensory receptors

E. B and C


Which of the following are special senses?

A. Olfaction

B. Equilibrium

C. Temperature

D. Touch

E. A and B


Which of the following tracts are part of the medial pathway?

A. Vestibulospinal tract

B. Tectospinal tract

C. Reticulospinal tract

D. All above


True or False. The basal nuclei do not exert direct control over lower motor neurons. Instead, they adjust the activities of the upper motor neurons.

A. TRUE

B. FALSE


True or False. In the spinocerebellar pathway, information that does not go through decussation is going to enter the anterior tract.

A. TRUE

B. FALSE


Where are the upper motor neurons of the medial pathway located?

A. Superior and inferior colliculus

B. Reticular formation

C. Red nuclei

D. Fasciculus cuneatus

E. A and B


True or False. When pressure sensations are arriving, the greater the pressure, the higher the frequency of action potentials. This is an example of sensory coding.

A. TRUE

B. FALSE


True or False. You are never consciously aware of the information provided by chemoreceptors.

A. TRUE

B. FALSE


Which of the following has small receptive fields?

A. Tongue

B. Back

C. Fingertips

D. Legs

E. A and C


Which of the following is not a class of mechanoreceptors?

A. Proprioceptors

B. Nociceptors

C. Tactile receptors

D. Barooreceptors


Which of the following pathways provide conscious control over skeletal muscles that move the eye, jaw, face, neck, and pharynx?

A. The rubrospinal tract

B. The corticobulbar tract

C. The lateral corticospinal tract

D. The anterior corticospinal tract


Which of the following is a sensory neuron that delivers sensation to the CNS?

A. First-order neuron

B. Second-order neuron

C. Third-order neuron

D. Fourth-order neuron


True or False. The rubrospinal tract provides motor control over the distal muscles of the upper limbs.

A. TRUE

B. FALSE




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