BIO201 Exam 4 review

Which layer of the eye contains the photoreceptor rods and cones?

• sclera

• choroid

• retina

• cornea

What activates the hair cells of the Organ of Corti?

• Bending of the stereocilia

• Movement of the vestibular membrane

• Vibrations of the oval window

• Movement of the otoliths

With respect to a neuron, where is more Potassium located?

• Inside the cell

• Outside the cell

When a membrane potential moves in a negative direction (becomes more negative) this is referred to as:

• depolarization

• repolarization

• hyperpolarization

• resting

Parasympathetic neurons use the following neurotransmitters to communicate:

• only Acetylcholine

• only Norepinephrine

• both Acetylcholine and Norepinephrine

• neither Acetylcholine or Norepinephrine

Which of Brodmann's areas is responsible for interpreting sensory input, putting meaning behind what touched my arm

• prefrontal association area

• somatosensory association area

• Broca's area

• Wernicke's area

What is the function of the medulla oblongata?

• initiating motor movements

• relaying information to the cerebellum

• regulating autonomic reflexes

• long-term memory storage and emotion

The sympathetic division of the ANS causes the following effects:

• decreased heartbeat

• increased saliva production

• stimulates bile release from the gallbladder

• inhibits bladder contractions