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Exam (elaborations)
BIOL 373 - Human physiology 2 || Possible Questions Accurately Answered.
where are long reflexes integrated? correct answers CNS - sensory info from eyes, ears and nose go to CNS (brain) and activates GI tract - includes cephalic reflexes - sight, smell, thought of food where are short reflexes integrated? correct answers in the gut - enteric nervous system - neurons in submucosal plexus receive signals from lumen, regulate secretion - neuros in myenteric plexus regulate motility long reflex pathway correct answers - sensory info comes in from eyes, nose,...
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BIOL 373- UNIT 7 || ACKNOWLEDGED ANSWERS 100%.
what is metabolism correct answers "set of life-sustaining chemical transformations within the cells of living organisms" whether transformations of energy substrates (carbs, fats, proteins) are biased toward storage/ anabolism or breakdown/ catabolism how is metabolism regulated correct answers • endocrine - primary role- products of endocrine pancreas• insulin/glucagon ratio • neural - regulation of food intake- endocrine pancreas also innervated (autonomic) ingested biomo...
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Biol 373 - Unit 2 - Central Nervous System || with Certified Answers.
Describe the evolutionary trends in nervous systems correct answers -Simple organisms had no head (like jellyfish) and then moved to bilateral symmetry. Concentration of neural power in the front to create the forebrain What passed for a brain in jellyfish? correct answers Didn't have a real brain, had a diffuse network of neural like cells What is cephalization? correct answers the concentration of sense organs, nervous control, etc., at the anterior end of the body, forming a head and...
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Biol 373- Exam #1 || Solved Correctly.
Chapter 1 - Evolution Robert Hooke (1665) correct answers observed compartments in cork, under a microscope, and first named them cells resolution correct answers -resolving power (ability to see fine detail) -the ability to distinguish two adjacent objects or points from one another Resolving power (RP) = correct answers Wavelength of light in nm / 2 x Numerical aperture -Shorter wavelengths provide a better resolution What is the descriptive nature of cell biology correct answe...
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Biol 373 - Unit 4b - Renal Function || 100% Accurate Answers.
How much fluid is filtered by the kidneys per day? correct answers 180L/day How much fluid is excreted from the kidneys per day? correct answers 1.5L/day What is the purpose of kidney filtration? correct answers - removes foreign/toxic substances in addition to endogenous material Why would you want to filter so much fluid if 99% of it is not excreted? correct answers One of the major functions of the kidney is to selectively filter toxins from the blood. Selective filtration would be t...
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Exam (elaborations)
BIOL 373 || Error-free Answers 100%.
What is physiology? correct answers The science of the function of living system What is the difference between process and function? correct answers - process = "how" - function = "why" What is homeostasis with respect to a fluid? correct answers Maintenance of a relatively stable internal cellular fluid Who coined the term "homeostasis?" correct answers Walter Cannon What is pathophysiology? correct answers The study of when systems fail to compensate What is ...
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Biol 373L Unit 7a and 7b Metabolism and Energy Balance || with 100% Correct Answers.
Homeostatic eating correct answers eating when energy fuels are depleted Non-homeostatic eating correct answers eating in the complete absence of hunger Two centres in hypothalamus controlling hunger are: correct answers 'hunger/feeding' and 'satiety' Glucostatic theory states that correct answers intake is regulated by glucose levels Lipostatic theory states that correct answers fat stores signal to brain which modulates eating behaviour What is the protein hormone sy...
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BIOL 373L STUDY SET || 100% Verified Answers.
Sensory cells correct answers respond to factors such as light pressure and the chemical nature of certain molecules by creating electrical signals which are sent to the CNS Visual acuity correct answers the degree of detail the eye can distinguish myopia correct answers near lighted, light focuses in front of the retina, unable to see far, distant objects are out of focus hyperopia correct answers far sighted, hard to focus objects close to the eye astigmatism correct answers the bl...
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Biol 373L Lab 6: Kidney Function and Urinalysis || All Answers are Valid.
Quantity of urine correct answers usually conducted over a period of time to measure rate of urine production Factors that cause increased rate of urine production (polyuria) correct answers - chronic infections - diabetes mellitus - diabetes insupidus - excessive fluid intake - diuretics Factors that cause decreased urine production (oligouria) correct answers - acute infections - reduced fluid intake - dehydration - fever - exercise - shock Normal colour of urine is correct ...
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BIOL 373L Final Exam || Questions and Answers.
List the special senses correct answers smell, taste, vision, hearing, equilibrium What are somatic senses? correct answers tactile, thermal, pain and proprioceptive sensations Somatic senses involve sensory receptor cells that...concentrated in sensory organs correct answers are not Somatic senses involve sensory receptor cells are... correct answers widely distributed in the skin, muscles and joints What diagnostic tool can be used to determine visual acuity? correct answers The Sn...
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BIOL 373: Unit 4c (Renal Function 3) || Already Graded A+.
- cardiovascular system (increase cardiac output and vasoconstriction) - behaviour (increase thirst) - kidneys (conserve water) correct answers What are the 3 different homeostatic reflexes that are triggered by decreased blood volume/pressure? Volume receptors in atria and carotid and aortic baroreceptors correct answers What senses the stimuli of decreased blood volume/pressure? True: this is a whole body emergency, and the priority is not renal auto regulation to increase GFR correct ...
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Exam (elaborations)
Biol 373 Unit 8: Reproduction || with Errorless Answers.
Define Autosome correct answers Chromosome that is not an allosome (sex chromosome) Define Sex chromosome correct answers A chromosome involved with determining the sex of an organism Define germ cell correct answers Cell containing 1/2 the number of chromosomes as a somatic cell. Define somatic cell correct answers Any cell of a living organism other than the reproductive cells Define homologous chromosomes correct answers Two non-identical copies of a chromosome, one from each pare...
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BIOL 373 Unit 6B || 100% Correct Answers.
Regulation by GI function with correct answers long and short reflexes Long reflexes correct answers distance and integrated in the CNS - brain short reflexes correct answers integrated locally within the gut from the enteric nervous system enteric nervous system correct answers the nervous system of the digestive tract gut brain How do long reflexes work correct answers get sensory info from eyes, ears, nose goes to the CNS and then gets the GI tract up and running feedforwa...
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Biol 373 Unit 6a - Gastrointestinal System || Get it Correct.
Digestive system correct answers tube that goes through the body and has accessory organs Digestion is the process of correct answers breaking macromolecules into forms to transport across epithelium Absorption is the correct answers transport of nutrients, water, ions, vitamins across epithelium To accomplish absorption and digestion, ___ and ___ are 2 other processes necessary correct answers Secretion, motility Secretion is the process of correct answers releasing enzymes into the...
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Exam (elaborations)
Biol 373 Unit 4c and 4d || 100% Verified Solutions.
Water loss can be caused be urine, but also: correct answers Feces, sweat and lungs Thirst is correct answers a behavioural mechanism for compensation of water loss Can kidneys restore lost water? correct answers No. Kidneys can conserve water but not restore. Osmolarity of the __ indicates how much water is being excreted by the kidneys. correct answers Urine Diuresis is correct answers increased urine production Diuretics correct answers Increase the amount of urine produced and...
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BIOL 373 Unit 4ab || A+ Score Secured.
urine is considered the __ into our health correct answers Window The flavour and quantity of urine were considered diagnostic criteria for correct answers Diabetes mellitus and inspiidus If one's urine was not sweet but was dull, tasteless, weak, and there were copious amounts, this was characteristic of correct answers diabetes inspidus if someone's urine tasted sweet, this was characteristic of correct answers diabetes mellitus the role of the kidney is correct answers regul...
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Exam (elaborations)
Biol 373 Unit 4a || All Accurately Answered.
Cortical Nephron correct answers Functional unit of the kidney, almost completely in cortex Cortex correct answers outer layer of the kidney Collecting Ducts correct answers Long processes, after filtration of blood has happened Medulla correct answers Inside part of the kidney Renal pelvis correct answers what we get rid of dumps here into ureter Ureter correct answers travels through here to be stored until its eliminated Juxtamedullary nephron correct answers Close to the di...
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Exam (elaborations)
Biol 373 Unit 3b || with Errorless Answers.
Olfaction (smell) correct answers Most primal sense. 1 of 2 chemoreception senses Olfactory Neurons correct answers Only detector cells to be neurons. By passing thalamus and going straight to brain. Olfactory Neurons cross the midline correct answers False. They go directly to brain olfactory bulb correct answers Where the olfactory nerve synapses. olfactory cortex correct answers most posterior in animal's brain what are the shape of olfactory neurons? correct answers they ar...
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Biol 373 Unit 2: CNS Development || with Error-free Answers.
CNS development - cnidaria correct answers Show radial symmetry, no identifiable control center CNS development - flatworms correct answers Rudimentary brain in head, bilateral symmetry, senses cluster around the "food end", distinction b/w CNS + PNS is not yet clear. CNS development - earthworms correct answers Show signs of spinal reflexes, more advanced nervous system Most dramatic change seen in vertebrate brain evolution correct answers Change in forebrain region (cerebrum), ...
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Exam (elaborations)
BIOL 373 UNIT 1 – Intro || A+ Guaranteed.
What is physiology? correct answers short answer: the science of the function of living systems long answer: the science of mechanical, physical, bio-electrical functions of organisms in good health, their organs and the cells of which they are composed Process vs Function correct answers the process is the "HOW" i.e. how does a system work - the physiological mechanism. The function is the "WHY" i.e. why does this sytem exist and why does this event occur ? Example of functi...
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