Anatomy Final Review 1

Which of the follwing would NOT be a reason to routinely exercise?

• increase the number of blood vessels to different muscle groups

• increase muscle tone

• to reduce lactic acid building up in the muscles

• maintain better posture

Which part of the neuron releases neurotransmitters into the synaptic cleft?

• axonal terminals

• nucleolus

• dendrites

• cell body

Baby John was born without the protective connective tissue coverings surrounding the brain. These protective coverings, as a group, are called:

• choroid plexuses

• dural sinuses

• fasciae

• meninges

Which part of the following supporting cells produce the myelin sheath in the peripheral nervous system?

• satellite cells

• astrocytes

• schwann cells

• oligodendrocytes

To try and cause an action potential, nerotransmitters can be released from several axon terminals at the same time. This type of stimulation of the post-synaptic neron is referred to as:

• reploarization

• spatial summation

• temporal summation

• induction

Peter has a tumor that is causing him to produce abnormally high amounts of certain hormones. This part of the brain in which the tumor most likely resides is the:

• basal nuclei

• thalamus

• hypothalamus

• cerebellum

The functional unit of skeletal muscle is the:

• sarcomere

• myofibril

• fascicle

• sarcoplasm

The ability for a muscle to shorten forcibly is called:

• elasticity

• contractility

• extensibility

• shortening

Which of the following neurotransmitters would cause the slowest response once it arrived at the post-synaptic neron?

• GABA

• Substance P

• Norepinephrine

• All nerotransmitters take effect in the same amount of time

Which of the following would be the best choice as a definition of "conciousness"?

• ability to solve problems

• ability to do complex communication

• awareness of one's self

• ability to store and recall facts