Exam 4: Principles of Neural and Hormonal Communication

Match the rods and cones, labelled a. through c., with their properties. (Options may be used more than once or not at all.) a.rods b.cones c.both rods and cones -three different types as a result of difference in photopigment content

The amplitude of sound waves is interpreted as the pitch of the sound.

In the retina, photoreceptor cells do not synapse with bipolar cells.

The two divisions of the autonomic nervous system are the ____________________ nervous system, which dominates in fight-or-flight situations, and the ____________________ nervous system, which dominates in quiet, relaxed situations.

Binocular vision enhances depth perception.

Which of the following is characteristic of presbyopia?

In which order does a vibrational stimulus normally pass through the middle ear ossicles?

Which of the following is caused by fluid movement in the cochlea?

Which of the following statements correctly describes taste?

Which abnormality could give rise to sensorineural deafness?

All the following release acetylcholine EXCEPT

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 -fibres that issue through the glossopharyngeal nerve, facial nerve, and oculomotor nerve

Which of these statements describes the circular muscle of the iris?

Which of the following pertains to curare?

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

Match the type of nociceptor, labelled a. through c., with the properties associated with each type of nociceptor. (Options may be used more than once or not at all.) a.mechanical nociceptor b.thermal nociceptor c.polymodal nociceptor -activates slow pain pathway

Moving air through the eustachian tube equalizes air pressure on the ____________________.

The sympathetic branch of the autonomic nervous system has its cells of origin in the brain stem as well as the spinal cord.

Contraction of the radial muscle of the iris produces a dilation of the iris.

Match the pathways, labelled a. through c., with the regions. a.ascending pain pathway b.descending analgesic pathway c.both pain and analgesic pathways -periaqueductal grey area