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Midterm 2 Fill In
Physiology 2420
Question | Answer |
---|---|
What is the function of cranial nerve I? | olfactory - taste and smell |
Name one part of a neuron that is responsible for gray matter. | dendrites |
Name on function of microglia | phagocytosis of foreign material |
What is the function of Wenicke's area? | language comprehension and understanding |
Name one function of the cerebellum | posture, coordination or eye movements, balance |
What is refraction? | the bending of light waves |
As opposed to frequency, how is intensity coded for in the cochlea? | how far they are bent, degree of deflection of stereocilia |
What are the receptor cells of the vestibular system? | hair cells |
We talked about two kinds of lenses that help accomadate for vision problems. What kind of lens accomadates for myopia? | concave |
Name one place in the retina where rods are not generally located | fovea, optic disk (blind spot) |
What is the purpose of the blood brain barrier? | to keep out toxins, anything harmful |
There are cholinergic receptors on the autonomic postganglionic neuron and also on the effector organ of the parasympathetic neurons. Select either of these locations and tell me a)the location b)which type of cholinergic receptor is located there. | autonomic - nicotinic receptor located on motor end plate of skeletal muscle |
Which ion must be present in order for crossbridge cycling to occur or continue? | Ca2+ |
In crossbridge cycling, Myosin pivots towards the center of the sarcomere and the thin filament moves with it. This step is know as what? | power stroke |
Which of the three phases of a twitch is the result of excitation-contraction coupling? | latent phase |
Which two types of muscle are striated? | cardiac, skeletal |
Muscle fibers can be grouped into two categories based on their source of ATP. Which of these types of muscle fibers are high in mitochondria? | oxidative |