Human Physiology - Neural Control & Coordination Questions and Answers

What is the difference between a memorized presentation and an extemporaneous presentation Which one is more effective Why

The differentiation of neurons derive from neural crest cells requires the expression of O Neuregulin Edn3 Edn1 Neurturin Steel Fill in the blank

ar physiology virtual lab quiz assignment 6 i Which letter indicates a QRS complex B A D Assen BO 2020 01 General Pri Cardiovascular physiology virtual lab quiz assignment 60 37 D 025 points

Which letter B 5 nts References Multiple Choice B D

Which letter indicates a PQ interval A B C Cardiovascular physiology virtual iap quiz assignment 35 0 25 points Multiple Choice References D D

C A E BD ri File Edit View History Bookmarks Window v Help ezto mhed Assignments BIOL 3020 01 General Physiology Cardiovascular physiology virtual lab quiz assignment 6 1 M Question 32 Cardiovascular physiology Saved 32 Multiple Choice 0 25 points References C

Action Potential AP arises in presynaptic neuron CH gates open Causing IF Current spreads through Travels to Causes Nonmyelinated axons Leads to Located in IF gpening When next Myelinated axons End of presynaptic neuron Excitatory Postsynaptic Potential begins at Depolarization to 30mV Current spreads by

X 81 What brain structure is missing right fusiform gyrus left fusiform gyrus right amygdala left hippocampus

The part of the neuron that receives nerve impulses is Select one a node of Ranvier O b dendrite c axon d Nissl body

Where is the black electrode placed in the electromyograph EMG lab Multiple Choice O O O lateral wrist over the bicep medial wrist anterior elbow

O Theories explain how things work O Knowledge is innate O Knowledge comes from experiences Selective attention is needed for thinking Question 9 Which of the following best illustrates an INTERNAL INPUT Being startled from your sleep because something in your closet fell and made a noise remarkab someone who might be hiding in and waiting for you to fall asleep O The noise from down the hall Salivating because there is something great cooking in the kitchen on in your leg

Iris lens optic disc fovea iris cornea sclera cornea retina lens Question 10 What is the visual pigment used to capture light in most animals Rhodopsin Melanin Transducin 1 pts

Dopamine Serotonin Acetylcholine Melatonin Question 6 The organ of Corti is associated with which special sense Taste Hearing

Use the terms Larger Smaller or No difference The receptive field of fingertips have a receptive field that is than the receptive field of the shoulder

True O False Question 8 In hearing sound is integrated i e broken down and processed by 1 pt The same side of the brain as where the sound enters ex right ear processed by the right side of the brain The opposite side of the brain where the sound enters ex right ear processed by the left side of the brain Both sides of the brain the time interval between reception allows for directional localization of the incoming sound

The same side of the brain as where the sound enters ex right ear processed by the right side of the brain The opposite side of the brain where the sound enters ex right ear processed by the left side of the brain Both sides of the brain the time interval between reception allows for directional localization of the incoming sound Neural integration of sound in the cerebral cortex is unknown Question 9 For clear vision light must focus on the of the Iris lens optic disc fovea iris cornea sclera cornea 1 pts this is done by changing the shape

What is the visual pigment used to capture light in most animals O Rhodopsin Melanin Transducin Chlorophyll

addictive and require larger doses over time O Up regulation of receptors O Down regulation of receptors O They inhibit neurotransmitter release at the synaptic cleft They promote facilitate neurotransmitter release at the synaptic cleft Question 5 The neurotransmitter used for the sense of taste is O Dopamine O Serotonin O Acetylcholine 1 pts

Lateral inhibition Excitatory postsynaptic potentials EPSP s O Inhibitory postsynaptic potentials IPSP s O Receptor field potentials Sensory modality Question 4 O Opiates are painkillers that affect the nociceptor pathways Why would opiates become addictive and require larger doses over time Up regulation of receptors Down regulation of receptors 1 pts They inhibit neurotransmitter release at the synaptic cleft

Identify the sutures 1 2 3 Te XT 3

Hormones provide the raw material for growth and repair and may be a source of energy O True False Amylase is a protective secretion that acts as a lubricant and aids in swallowing True False Bile is a substance produced by the liver that emulsifies fats for faster breakdown by lipases True False 1 point 1 poin 10

2 You are interested in researching whether or not AP biology students who use a test prep book perform better on the exam than those who do not use a test prep book You take 60 random students and give 30 of them a test prep book while the other 30 will use the resources they already have After the students take the exam you analyze the data and find that of the students who used a test prep book 26 passed For the students who used only the resources they already had you found that 12 passed With this data would you suggest to future students to use a test prep book

Name an organ that is composed primarily of nervous tissue

REFLEXES HELP YOU STAY ALIVE Reflexes control important body organs Figure B Reflexes control your heartbeat Figure C Reflexes control you 1 What happens to your heartbeat if you are excited 2 What happens to your heartbeat if you are asleep

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in the table put Cochlear compartment Scala vestibuli Cochlear duct Containing endolymph Containing perilymph Containing the spiral org

cilia microvilli flagella lamellipodia Question 46 1 point 4 Listen Sarin nerve gas paralyzes muscle by interfering with neuronal transmission by which of the following O Encephalin Serotonin CARA

Which of the following is a lipophilic primary message that crosses the plasma membrane and interacts with a cytosolic receptor O Epinephrine O Estrogen Insulin Thyroxine

How is a signal preserved when it has to travel a long distance to the effector muscle

How is a signal preserved when it has to travel a long distance to the effector muscle

How do neurons facilitate cell signaling and what role do neurotransmitters play in the transmission of signals between neurons otwork

Na channels open K channels open Na channels closed K channels open Na channels open K channels closed Na channels closed K channels closed rising phase resting potential Membrane potential mV 501 50 100 Time falling phase 1 dundershoot resting potential

There are many different types of nerve cells that allow our bodies to function One such cell ar astrocytes Please explain the function of astrocytes why this function is vital and how these cells accomplish this function

the definitions below with a term from the list given The dura mater that protects the brain is the touch outer layer The layer that protects the brain The meninges is the middle cushioning is the inner layer of the

Regarding behavioral therapy which of the following statements is FALSE In systematic desensitization the goal is to use relaxation as an incompatible response to fear in order to weaken the bonds between the frightening st and the fear response Behavior therapy is also referred to as behavior modification Since behavior therapy is focused on directly changing problem behaviors it tends to be relatively brief compared to other forms of therapy Aversive conditioning uses principles of operant conditioning to help people extinguish undesirable behaviors Gradual exposure can help people overcome specific phobias social phobias and post traumatic stress disorder

O centers of gray matter deep to the cortex tracts of white matter connecting different cortical centers collections of synapses along afferent sensory pathways collections of cell bodies in the brain stem Question 24 1 point Which brain area contains nuclei responsible for heart rate breathing rate and alertness the cerebellum the basal nuclei the reticular formation

dopaminergic cholinergic serotonergic adrenergic Question 30 1 point Which part of the retina gives you your best vision the choroid the ora serrata the fovea centralis the optic disc

What happens to the neuron s membr depolarization hyperpolarization no change in membrane potential Orepolarization Question 8 1 point Most neurons are this type of neuron Opseudounipolar multipolar

Numerous Xenopus cells were exposed to varying amounts of ultraviolet light Som of the resulting cells were observed to lack nucleoli As a result one would expect that the cell could not synthesize ribosomal RNA Operform cellular respiration perform photosynthesis replicate its DNA

What is a recombinant or transgenic organism human cell DNA nucleus F O plasmid insulin gene recombinant DNA transgenic bacterium with plasmid containing insulin gene The ability for bacteria to secrete human insulin Recombinant bacteria gain ability to secrete human insulin O No answer text provided insulin An organism s DNA has been inserted into the DNA sequence of a different species An organism unicellular or multicellular that has received recombinant DNA

For each statement choose whether it applies to rods or cones 1000 do not work in the dark yield color vision give high resolution vision yield black and white vision cannot work in bright light present at the fovea centralis yield fuzzy vision 1 rods 2 cones

Figure 14 1 illustrates a reflex arc directing which organ O the stomach O the eye O the heart the liver

Looking at figure 13 12 which type of mechanoreceptor is found in the dermal papilla Ofree nerve endings O Merkel cell fibers O tactile corpuscles Ruffini endings

According to figure 13 11 open mechanically gated channels allow which type of ion to enter the neuron O potassium O sodium O chloride O calcium

The posterior root ganglion contains cell bodies of neurons 111 O pseudounipolar motor O multipolar motor multipolar sensory

Which nerve innervates both the quadriceps muscle group and the skin over the patella the tibial nerve the sciatic nerve the femoral nerve

Spinal nerve plexuses are formed out of O anterior roots O anterior rami O posterior roots O posterior rami

Which nerve innervates the diaphragm Othe phrenic nerve O the vagus nerve O the musculocutaneous nerve the sciatic nerve

A network of spinal nerves is a nerve O plexus O triad O system O division

Which cranial nerve is the longest O II optic OV trigeminal O VII facial vagus