Exam 4: Principles of Neural and Hormonal Communication

The cochlea is concerned primarily with equilibrium.

The autonomic nervous system controls the motor activity of skeletal muscles.

Sympathetic activity inhibits the secretion of ____________________ from the pancreas.

Match the divisions, labelled a. through d., with the anatomical and physiological autonomic features. (Options may be used more than once or not at all.) a.parasympathetic division b.sympathetic division c.both parasympathetic and sympathetic divisions d.neither parasympathetic nor sympathetic divisions -innervate blood vessels and sweat glands

A generator potential in a receptor begins with the influx of ____________________ ions into the cell.

Which of the following is NOT involved in vestibular information?

Each half of the visual cortex receives information from the opposite half of the visual field as detected by both eyes.

Which of these receptors is rapidly adapting?

Proprioception is the awareness of the body's position in space.

The function of the eustachian tube is to provide a drainage path for the fluid in the middle ear.

Match the divisions, labelled a. through d., with the anatomical and physiological autonomic features. (Options may be used more than once or not at all.) a.parasympathetic division b.sympathetic division c.both parasympathetic and sympathetic divisions d.neither parasympathetic nor sympathetic divisions -constrict digestive sphincters

Match the types of autonomic receptors, labelled a. through e., with their characteristic(s). (More than one answer may apply.) a.nicotinic receptors b.muscarinic receptors c.alpha receptors d.beta-1 receptors e.beta-2 receptors -have equal affinity for epinephrine and norepinephrine

Match the eye disorders, labelled a. through i., with their descriptions. (Options may be used more than once or not at all.) a.colour blindness b.night blindness c.glaucoma d.hyperopia e.diplopia f.presbyopia g.myopia h.cataract i.astigmatism -corneal surface uneven

Which of the following is NOT characteristic of sympathetic pathways?

The two major components of the ciliary body are the ____________________, which regulates the strength of the lens, and a capillary network that produces ____________________.

Match the structures, labelled a. through h., with their proper sequence of involvement in the visual pathway. a.bipolar neurons b.optic nerve c.lateral geniculate nucleus d.rods and cones e.visual cortex f.optic tracts g.ganglion cells h.optic radiations -fifth

Match the chemicals, labelled a. through e., with their characteristics. a.black widow spider venom b.curare c.Clostridium botulinum toxin d.organophosphate -binds with ACH receptor sites

Match the divisions, labelled a. through d., with the anatomical and physiological autonomic features. (Options may be used more than once or not at all.) a.parasympathetic division b.sympathetic division c.both parasympathetic and sympathetic divisions d.neither parasympathetic nor sympathetic divisions -possess nicotinic receptors on at least one neuron in the pathways

Any stimulus can excite any excitable tissue.

Match the types of autonomic receptors, labelled a. through e., with their characteristic(s). (More than one answer may apply.) a.nicotinic receptors b.muscarinic receptors c.alpha receptors d.beta-1 receptors e.beta-2 receptors -bind primarily with epinephrine