Medical Quiz

Brain Quiz

Preview:


What part of the eye sits on the outer surface of the cornea and lines the eyelids. This structure produces mucous

A. iris

B. lens

C. retina

D. conjunctiva


Given these components of a reflex:
1. association neuron
2. skeletal muscle
3. afferent neuron
4. efferent neuron
5. sensory receptor

Choose the sequence below that best represents the order followed in a reflex, from stimulus to response.

A. 5, 4, 3, 2, 1 

B. 5, 3, 2, 4, 1

C. 5, 4, 3, 1, 2

D. 5, 3, 1, 4, 2


Reflex actions are important because

A. They provide a quick, involuntary response

B. They prevent injury

C. They are essential to the survival of organisms

D. All of the above


Which of the following transmits information from the spinal cord to the extremities of the body?

A. ventral roots

B. dorsal roots

C. dorsal root ganglia


What is the neuron found only in the spinal cord?

A. Relay

B. Sensory

C. Motor

D. Reflex


What part of the eye is a clear protective structure that allows light to enter the eye?

A. iris

B. retina

C. cornea

D. choroid


In a reflex arc, the sensory neuron leads to the ___________ and the motor neuron leads to the __________

A. Spinal cord, CNS

B. CNS, muscle

C. Spinal cord, muscle

D. Muscle, CNS


Which part of the eye is the outer white part of the eye?

A. cornea

B. iris

C. ciliary body

D. sclera


The parietal lobe controls __________.

A. Vision

B. Problem Solving

C. Memory

D. Sense of touch, pain, pressure


Controls hearing and smell

A. Frontal Lobe

B. Temporal Lobe

C. Occipital Lobe

D. Parietal Lobe


An effector is also known as a ____________ to an action

A. Stimulus

B. Sensory neuron

C. Motor neuron

D. Response


The membranes covering the brain and spinal cord are the _________.

A. thalamus

B. ventricles

C. meninges

D. choroid plexuses


Without the ____ the two sides of our brain couldn’t communicate. 

A. Frontal Lobe

B. Cerebral Cortex

C. Thalamus

D. Corpus Callosum 


The “fight or flight” response during threatening situations in the role of the:

A. sympathetic nervous system

B. parasympathetic system

C. somatic nervous system

D. cerebellum


What tissue is not innervated by the autonomic nervous system?

A. Glands

B. Skeletal Muscle

C. Cardiac Muscle

D. Smooth Muscle


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