Medical Quiz

Brain Quiz


Preview:


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

A. thalamus

B. ventricles

C. meninges

D. choroid plexuses


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


Which of the following is the characteristics of somatic motor pathway?

A. The neurotransmitter used is norepinephrine

B. The neurotransmitter used is norepinephrine

C. The number of neurons per message is two

D. The effectors are skeletal muscle


In a cross section of the spinal cord, the peripheral ventral white portion consists of __________ forming nerve tracts, and the central gray portion consists of __________ , dendrites, and axons.

A. Unmyelinated axons, neuron cell bodies

B. Myelinated axons, sensory receptors

C. Myelinated axons, neuron cell bodies

D. Myelinated neurotransmitters, axons


Which letter represents the Thoracic Region of the spinal cord and vertebral column?

A. A

B. B

C. C

D. E


Which of the following is TRUE of the parasympathetic nervous system?

A. It decreases heart rate

B. It slows digestion

C. It relaxes the bladder

D. It dilates the bronchi


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


What is the fluid in the space between the meninges that acts as a shock absorber to the brain and spinal cord called? 

A. Blood-Brain Barrier

B. Meninges

C. Cerebrospinal Fluid

D. Cerebral Cortex


An effector is also known as a ____________ to an action

A. Stimulus

B. Sensory neuron

C. Motor neuron

D. Response


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 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


Conditioned reflexes involve

A. An immediate response because your body should know how to respond to something by itself

B. An on the spot reaction that doesn’t involve prior knowledge

C. Prior thought or learning

D. A slow response to an object moving


Controls behaviors (hunger, thirst, sleep, body temperature) through the release of hormones.

A. hypothalamus

B. thalamus

C. adrenal glands

D. pineal gland


What does the sclera do?

A. protects the eye

B. helps the eye focus

C. allows light to enter eye

D. transmits light rays to retina


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


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

A. Frontal Lobe

B. Cerebral Cortex

C. Thalamus

D. Corpus Callosum 


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


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

A. cornea

B. iris

C. ciliary body

D. sclera


Controls hearing and smell

A. Frontal Lobe

B. Temporal Lobe

C. Occipital Lobe

D. Parietal Lobe


what controls your balance ?!

A. thalamus

B. cerebellum

C. basal ganglia

D. frontal lobes


There is one pair of _____nerves.

A. lumbar

B. cranial

C. sacral

D. coocygeal


The spinal cord passes through the __________.

A. foramen ovale

B. foramen magnum

C. foramen rotundum


What is protected by the vertebral column?

A. Ligaments

B. Spinal cord

C. Muscles

D. The brain stem


What tissue is not innervated by the autonomic nervous system?

A. Glands

B. Skeletal Muscle

C. Cardiac Muscle

D. Smooth Muscle




Disclaimer:

Medical Quiz should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational and educational purposes only.