Chapter 15 HW And Quizzes

Aqueous humor forms during capillary filtration in the __________?

What structure in the eye creates a visual blind spot?

Which photoreceptors respond to very dim light?

Which region of the ear houses perilymph and endolymph?

Which letter indicates structures involved in detection of BOTH hearing and equilibrium?

Damage to which of these structures can result in sensorineural deafness?

What are the names of the bones in middl ear in order from left to right?

Which part of the inner ear houses receptors for rotational (angular) movement of the head?

Which portion of the ear is responsible for sound transduction?

Identify the function of (2) in this image. (ossicle bones)

What type of channel is responsible for the initial changes in the membrane potential of the hair cells, which ultimately determines the cochlear nerve response to sound?

Where are equilibrium receptors located?

Which of the following is true of receptors for dynamic equilibrium?

What does the vestibular apparatus detect?

Ninety percent of all the preganglionic parasympathetic fibers are found in the __________.

Why is the effect of acetylcholine and norepinephrine NOT consistently excitatory or inhibitory to a given target tissue?

The sacral part of the parasympathetic division serves which of the following organs?

Which of the following is associated with the parasympathetic system?

Which of the following statements regarding the autonomic nervous system is NOT correct? -The two divisions of the somatic nervous system are sympathetic and parasympathetic. -The sympathetic division has short preganglionic fibers and long postganglionic fibers. -Most parasympathetic ganglia are located in or near the visceral effector organ. -Parasympathetic fibers have a craniosacral outflow. -Most viscera are dually innervated by sympathetic and parasympathetic fibers.

Which of the following are NOT associated with the vagus? intramural ganglia in viscera the dorsal motor nuclei in the medulla the esophageal plexuses the otic ganglia the cardiac plexuses

Which of the following is NOT served by the superior cervical ganglion? the tarsal muscles of the upper eyelid the irises of the eye the salivary glands the lungs the skin of the head

Which of the following neurons secrete norepinephrine?

Which of the following substances is a hormone and a neurotransmitter?

Which of the following would NOT occur when the parasympathetic system is active? elimination of urine low normal blood pressure cold, sweaty skin gastrointestinal activity constricted pupils

Which of the following would NOT take place during exercise or vigorous physical activity? decreased urinary tract motility bronchial dilation to increase ventilation increased glucose release from the liver to provide increased energy to cells increased digestive activity to allow more glucose absorption for energy constriction of visceral blood vessels to supply more blood to the heart and skeletal muscle

Which of the splanchnic nerves terminates in the adrenal gland?

Which of the following neurotransmitters would be the only secretion of the sympathetic preganglionic fibers of the autonomic nervous system?

Effectors of the somatic nervous system have __________.

Parasympathetic tone dominates all of the following EXCEPT __________. smooth muscles of urinary organs cardiac muscle smooth muscle of digestive tract organs smooth muscle of blood vessels

The division of the autonomic nervous system that puts you into "fight-or-flight" mode is the __________.

Neurotransmitters released by sympathetic postganglionic fibers going to the heart would cause __________.

Which type or types of neurons have a thin, lightly myelinated axon?

Most splanchnic nerves __________.

Dual innervation means that __________.

Which of the following cranial nerves synapses in the otic ganglion?

The presence of numerous preganglionic sympathetic neurons in the gray matter of the spinal cord produces the __________.

The postganglionic sympathetic axons enter the adjoining spinal nerves by way of the __________.

The rami communicantes are designated white or gray depending on whether they are __________.

Embryonically, the sympathetic ganglia and the __________ arise from the same tissue.

The __________ division of the autonomic nervous system has its ganglia near the effector organs.

Beta 3 receptors are found only in __________. v

Albuterol, used to treat asthma, binds to __________ and causes bronchiole dilation.

Nicotinic agents are used only __________.

The sympathetic trunk contains how many lumbar paravertebral ganglia?

Choose the true statement about the cornea.

The __________ is NOT a part of the vascular layer of the eye. sclera choroid ciliary body iris

The __________ dilate the pupils of the eyes.

Dim light and peripheral vision receptors are called __________.

Choose the true statement. Vitreous humor is located in the anterior segment of the eye. Aqueous humor supplies nutrients and oxygen to the lens and cornea. Aqueous humor is formed in the embryo and lasts for a lifetime. Vitreous humor is continuously produced and drained.

Which of the following shows the correct order of light transmission from the air to the retina?

Adjustment to low-light conditions is primarily facilitated by changes in __________ concentration.

Olfactory sensory neurons undergo noticeable turnover throughout adult life.

Where is the olfactory epithelium located?

Which of the following is an INCORRECT match? bitter taste: elicited by metal ions sour taste: elicited by H+ ions in solution umami taste: elicited by glutamate and aspartate sweet taste: elicited by alcohols

Which of the following is/are a part of the external ear?

Place the following events in the order in which they occur during sound transmission. Tympanic membrane vibrates. Internal ear fluids are set in motion. Hearing receptors are stimulated. Ossicles of the ear vibrate. Auditory cortex is stimulated.

frequency

wavelength

tone

amplitude

quality

Which of the following is true of static equilibrium receptors?

Information from the balance receptors goes directly to the cerebral cortex.

As we age, __________.