Human Physiology - Neural Control & Coordination Questions and Answers

pleura B peritoneum C pericardium Question 2 1 point 4 Listen Which type of section passes through the cranial vertebral spinal thoracic and abdominopelvic cavities A transverse B midsagittal medial

The chemical signal emitted by the endocrine system is called a n A impulse B action potential C enzyme D hormone

Nervous impuses can travel over a neuron at a maximum velocity of 1 m sec 10 m sec 100 m sec 1000 m sec

FOV 0 10 mm 400X What is the estimated field of view FOV

13 What is the general term for the male sex hormones a estrogens b thymosins c androgens d prostaglandins c d luteinizing hormone follicle stimulating hormone Shangh Svob da 14 Which hormone stimulates the beginning of the ovarian cycle a gonadotropin releasing hormone b estrogen svoda uti

This structure is the O Corpus callosum O Optic chiasma O Mamillary body O Infundibulum 18

This structure is the 24 O Pupil O Iris O Cornea Sclera

This structure is the Pupil Iris Cornea 25 Sclera

This bump is a O Gyrus O Sulcus Fissure O Tract

This dip is a O Gyrus O Sulcus O Fissure O Tract 2

a Copyright 2003 Pearson Education Inc publishing as Benjamin Cummings The structure marked 2 in this reflex arc is a Effector Interneuron Sensory neuron Motor neuron 3

The structure indicated the above diagram is the Posterior horn O Anterior horn Dorsal root F O Ventral root 19

This fluid filled space is the O Lateral Ventricle O Corpus callosum O Fourth Ventricle O Mamillary Body MOO 16

This lobe is the O Frontal lobe Parietal lobe O Temporal lobe O Occipital lobe 12

This dip is the O Longitudinal fissure O Transverse fissure O Central sulcus O Lateral sulcus 3

This lobe is the O Frontal lobe O Parietal lobe O Temporal lobe O Occipital lobe

This structure is the O Thalamus O Corpus callosum O Pineal gland O Pituitary gland 9

2 Structure of the Eyeball The wall of the eyeball has 3 layers the outer fibrous tunic the middle vascular tunic and the inner retina The fibrous tunic is composed of the comea and sclera The cornea is the transparent anterior portion that covers the iris and pupil and the sclera scler hard is the tough white part of the eye that forms the majority of the eyeball The scleral venous sinus canal of Schlemm is an opening found at the junction of the cornea and the sclera The middle vascular tunic is composed of the iris ciliary body and choroid The iris is the most anterior portion of the vascular tunic and contains pigmented cells It is made of circular smooth muscle and controls the pupil size The pupil is the opening in the middle of the iris that allows light to enter the eyeball and changes size in response to the intensity of light The ciliary body begins posterior to the iris at the junction of the cornea and choroid ciliary SIL ee air ee body ciliary muscle ciliary process comea KOR nee ah iris ora serrata ser RAH tah pupil retina sclera SKLER ah scleral venous sinus suspensory ligament zonular fibers Structure of the eyeball FIGURE 24 3 1 2 3 4 5 6 sclera and consists of the ciliary muscle and ciliary processes The ciliary muscle is a circular smooth muscle that contracts to control the shape of the lens Ciliary processes are folds that protrude from the ciliary body toward the lens They contain capillaries that secrete aque ous humor the fluid in the anterior chamber of the eyeball Suspensory ligaments zonular fibers are thin fibers that attach the lens to these processes The choroid is the most posterior part of the vascular tunic that lines most of the interior of the sclera It contains many blood vessels that nourish the retina The retina sensory tunic is the inner coat that begins at the ora serrata the serrated boundary between the ciliary muscle and the retina The retina continues posteri orly lining the interior of the choroid The pigmented layer of the retina is the outer portion and the neural layer is the inner portion that contains photoreceptors and asso ciated neurons 8 9 10 11 12 8 10 11 Lens 12

Fevers are triggered by the hypothalamus being triggered by Select to release Select

2 Lydia is walking in the woods at night to observe owls She hears a rustling behind a tree which startles her and causes her body to go into a fight or flight response as the sympathetic nervous system is activated What is likely to happen to her digestive system during this response OA The enteric nervous system will slow down digestion to conserve energy The peripheral nervous system will speed up digestion to use energy OC The peripheral nervous system will slow down digestion to conserve energy OD The enteric nervous system will speed up digestion to use energy B

Which of the following terms describes to the malleability changeability of neuronal connections where some connections become stronger and others weaker and some new connections are formed in order to facilitate learning O Dendritic darkening O Synaptic Plasticity O Axonal transport

Which answer is the best example of imagery A It was his first time on a Safari B There alone in the dark greens of dense jungle he came upon the glimmering of ancient yellow eyes C He decided to run for it

Match the neurotransmitter with its description function in the brain controlling emotions the biological clock Two examples are Dopamine and Serotonin Substance P Endorphins and Enkephalins natural opiates these function as neurotransmitters only in CNS Some examples are Gamma amino butyric acid GABA Glutamate Glycine Aspartate excites neuromuscular junctions part of Choose Amino acids Acetylcholine Peptides Biogenic amines Choose Choose V Choose v

When a nerve cell is the sodium channels open up and sodium rushes inside the cell A repolarized B non polarized C polarized D depolarized

A The that covers many axons is a lipid layer that serves to insulate the nerve cell and improve the efficiency of signal transmission myelin sheath B Nodes of Ranvier C neuroglia

A The tree branches or of a neuron receive nerve cell transmissions axons B Nodes of Ranvier C dendrites

A receive and transmit nerve signals respectively In a neuron the and the Nodes of Ranvier B axons C dendrites

Select the correct answer from each drop down menu In some cases of head injuries the cerebrum may be affected This type of injury could cause a loss of impaired

1 In which brain region do nerve tract fibres cross over from the two halves of the brain

The autonomic nervous system is a component of the O central nervous system sympathetic nervous system peripheral nervous system spinal cord

This structure is the O Optic nerve O Medulla oblongata O Olfactory bulb O Midbrain

Sensory nerves transmit the information to the brain The brain sends signals to the motor nerves Motor nerves carry the signal to the hand muscles The brain processes the information The eyes a sensory organ see the ball

What are the major parts of the pituitary gland 3pts How do they differ in how hormones are manufactured 5pts List all major hormones produced by each pituitary gland and their target organ s and or tissue s 14pts

Grey matter includes all of the following EXCEPT All of the answers are included Nuclei in the brain Ganglia Tracts in the spinal cord Thin outer layer of most of the brain

9 10 11 12 14 13 Pelvic Scapular Pubic Gluteal Mammary Lumbar Inguinal Sternal Sacral Umbilical Perineal Vertebral 15 16 17 18 19 66699 23 24 25 26 27 28 29 30 31 32 33 35 36 37 38 34 40 41 39 3 44 45 46 49

On occasion women in labor may need to speed up the pace of the labor A slow or stalled labor can increase the likelihood of needing medical intervention such as a Cesarean also known as a C section To avoid the need of a C section doctors may inject a woman in la bor with oxytocin Oxytocin is a chemical that is typically produced naturally within the body Produced in a part of the brain called the hypothalamus oxytocin travels to another part of the brain called the pituitary Oxytocin is stored in the pituitary where it will stay until it is released into the bloodstream Secretion depends on electrical activity of neurons in the hypothala mus Oxytocin is released into the blood when these cells are excited As pregnancy pro gresses the number of places in the uterus that oxytocin can bind to increases When childbirth is about to occur oxytocin binds to the sites in the uterus which triggers the start of contractions Based on the information above which of the following correctly justifies the claim that oxytocin is a hormone A B C Oxytocin is produced in the brain and travels to the uterus where it receptors to cause a change in the activity of the uterus Oxytocin can be injected into an individual to produce a change in the individual s body Oxytocin aids in the speed of labor which can only be manipulated by a chemical such as a hormone

Unit Test Active 1 3 4 S neurons O epithelial cells O blood cells O muscle cells 7 8 9 10 Which specialized cells are responsible for transmitting messages throughout the body

A The separation of charge seen in the neuron to the right is called a n action potential B Cl CI electro chemical gradient C Na positively charged molecule

In a neuron the action potential usually commences on a dendrite and then moves though the soma and down the axon usually commences at the end of the axon moves though the soma and ends on the dendrite commences and ends on the axon commences and ends on the soma

An individual is complaining of not being able to sleep properly Based solely on the information you have learned about the endocrine system which gland do you think may be damaged The pancreas The adrenal gland The thyroid gland The pineal gland

Drag each tire to the correctiocatori Sort the situations based on which part of the autonomic nervous system is at work Ross feels nervous because he misplaced his important work documents Rodrigo s breathing increases when he hears a scary sound Lisa feels calm after yoga class Dory sees a bear while hiking in the woods and her heart rate increases Sofia s muscles relax when she finds her missing cell phone Sympathetic Maya feels her heart rate slow down after strenuous exercising Parasympathetic

2 The following is a diagram of a neuron Label structures A to E 5 marks A B C D E TRENING

Which of the following symptoms would appear in a patient who had suffered damage to the efferent pathway of a reflex arc Stimuli would be felt but the muscles would be paralyzed Sensory pathways would not function but impulses would move up the spinal cord Stimuli would not be felt but muscles would contract normally Efferent nathways would not function but the

A Motor eye opening verbal response B Memory Motor eye opening C D Eye opening motor sensory Verbal response eye opening orientation Question 20 What does stereognosis assess A Sharp and dull sensation B Ability to identify objects by feel C Vibratory sense

A Perform the confrontation test B Have client say ah and watch uvula C Check the gag reflex D Have client stick out their tongue and wiggle it Question 2 The nurse is assessing cranial nerve XI spinal accessory What should the nurse instruct the client to do A Stick out your tongue and move it from side to side B Shrug your shoulders as I push down on them Taste these foods and tell me which is sweet and which is sour

A Stereognosis B Extinction Graphesthesia Point location Question 14 hat test has the nurse been performing B CNV The nurse is assessing a client s neurological status by touching a wisp of cotton in various places on the face to see if the client can sense it What cranial nerve is being tested A CN III CN VII 1 Point

A Vital signs B Cranial nerves C Motor function D Rinne test E Pupillary response F Level of consciousness Question 10 Which statement is true regarding the Glasgow Coma Scale A It is based on vital signs speech ability and memory B It assesses the functional ability of the client It indicates if there is damage specifically to the frontal lobe of the brain antitatiu

Acetylcholine is a neurotransmitter that provides for communication between muscles and nerves When there is a problem with the interaction between acetylcholine and the acetylcholine receptor sites on the muscles which condition s can occur Answer Choices a Botulism b Myasthenia gravis c Multiple sclerosis d Amyotrophic lateral sclerosis

Some researchers claim that a fourth germ layer which first appears in the a number of different cells such as adipocytes melanocytes osteoblasts and chondroblasts O smooth muscles Chondrichthyes O coelom Agnatha O neural crest Myxini O epiblast Gnathstomes should be considered These cells give rise to

Which statement is false about respiratory tract infections a Immunisation does not provide complete protection against influenza O b The common cold can be caused by parainfluenza viruses O c Rhinosinusitis can be caused by both bacteria and viruses O d Influenza can lead to pneumonia e Pneumonia immunisations must be repeated every year