Medical Sciences question and answers for August 19, 2023
- Q SCENARIO: Rachel and her family are enjoying a great home-cookeddinner. At one point Rachel's brother (who they weren't expecting)sneaks in and comes into the room tapping Rachel on the shoulderfrom...
- Q Mathias is a 21-year-old collegiate baseball player. He has beenconsuming approximately 2,600 calories per day, feels energetic,recovers well, and has maintained his weight at 176 pounds for thelast 2 years....
- Q 85) A Homo erectus-type left Africa at least by:50,000 years ago2 million years ago200,000 years ago125,000 years agonone of the above86) Alleles are:basophilesa type of stone tooltelomeresall of the abovenone...
- Q Briefly describe how innate and adaptive immunity differ.Be specific with regards to the types cells involved ineach, time of activation, duration of cellular response how it issimilar or different between...
- Q what do you know about briefly the three steps of formation ofurine (filtration, reabsorption and secretion)? Please explain tome every single step in detail because I don't understand. Thankyou!
- Q Identify the origin of the vestibulocochlear (VIII) nerve in thebrain, the foramen through which it exits the skull, and thefunctions of each of its branches.
- Q Describe the path a molecule of threonine would take in theformation of glucose. Include every step (metabolic intermediates)and pertinent enzymes. Note: threonine is converted to succinyl CoAupon its catabolism
- Q Like all viral pathogens, severe acute respiratory syndromecoronavirus 2, or SARS-CoV 2, requires a cell surface receptor inorder to invade a given host cell. For SARS-CoV 2, this receptor isactually...
- Q Under what nutritional conditions is fatty acid synthesis likelyto occur? Discuss the roles of acetyl CoA and malonyl CoA in thesynthesis of fatty acids
- Q In the event of a lacerated femoral artery, the rapid loss inblood volume causes a precipitous decline in blood pressure.Describe in detail—from the local/cellular level all the way up tothe...
- Q regulatory t cells (Treg) play important roles inautoimmunity and regulation of the mucosal immune response.Describe how Treg are generated within the immune system and theirrole in both autoimmunity and regulation...
- Q Allergies are an overreaction of the immune systemtowards non-pathogen allergens. Describe the antibodies, celltypes, and other proteins involved in both the early and lateallergic response. Then describe how this response...
- Q Although innate immune cells are unable to detectspecific antigens, the adaptive immune system is able ofcollaborating with innate immune cells to direct their attacksagainst pathogens. Describe three ways in which...
- Q Select 1 diseasedirectly related to the respiratory and integumentary systems.Research and select a peer reviewed article written within the past5 years discussing treatment options for the selected disease andwrite a...
- Q Name the three main components of a typical synapse.Which direction is communication/information flowing? How areneurotransmitters involved at a typical synapse? You may include adrawing here if you wish.
- Q 1. How does non shivering thermogenesis contribute tothermoregulation?Select one:a. It increases heat production by increasing metabolicactivity.b. It increases heat production by speeding up the rate of bloodflow throughout the body.c....
- Q while adaptive immune cells can detect antigens,innate immune cells have to rely upon detecting microbe-associatedmolecular patterns. Compare and contrast MAMPs and antigens.Describe the types of molecules each can be, how...
- Q Explain how ingested carbohydrates and proteins aredigested throughout the length of the digestive tract and how foodquality affects the rate of gastric emptying.
- Q Name the six types of neuroglial cells, indicate if they arepart of CNS or PNS, and list their primary functions.
- Q Skeletal muscle: changes that are possible to skeletal muscleand under what circumstances
- Q Skeletal muscle: aspects of substrate utilization by activity,muscle type, activation
- Q 1. True or False: Areolar connective tissue is an example of aloose connective tissue.2. True or False: Tendons and ligaments are composed of elastictissue.                 3. True or False: Bone and cartilage...
- Q A neuron has three main parts: dendrites, cell body,and axon. A neuron may send signals to other neuron or othertissues (effectors). Describe the physiology of how the signalmoves from one...
- Q Metabolic rate: measurements of, importance of mass,relationships with allometry, cost of locomotion
- Q Which animal has the least extensive uterine hornsPigCatDogHorseLipase from the pancreas, is necessary for the digestion oflipidsTrueFalseA gallbladder is necessary for lipid digestionTrueFalseWhich is not associated with the monogastric stomachMicrovilliThree...
- Q List & explain the events that transpire from the time anefferent (motor) neuron is stimulated until a motor unit contracts;indicate where each event occurs; describe how spinal cord damageinfluences muscle...
- Q Explain how the movement of NaCl and water in the ascending anddescending limbs of the loop of Henle work as a countercurrentsystem. You may use a diagram to help explain...
- Q Addison just went through a hard break up while trying to studyfor her MCAT exam. The breakup has caused her to suffer fromextreme depression while studying has caused her to...
- Q Glycogen serves as the primary fuel for ATPproduction/re-synthesis...Select one:a. during short-duration, high-intensity exercise.b. during severe caloric restriction.c. after many hours of low-intensity exercise.d. during periods of starvation.
- Q Which contractile result of rate-coding (i.e., frequencyof activation) will produce the most force?Select one:a. twitchb. summationc. tetanusd. all of the above produce the same amount offorce
- Q For each motion, identify the upper body muscles involved. Also,indicate which muscles are the agonists and which are theantogonists. Indicate nerves for each as well.1. Throwing a dart2. Setting a...
- Q Which protein is a contraction protein with site regulated byregulatory proteinsA sarcomereB I bandC overlap zoneD H zoneE A band
- Q Briefly describe the three phases of treatment for individualswho have acquired spinal cord injuries and the major emphasis ofeach phase.
- Q Donna does not feel the wound of her knee. In a normalsituation, describe how this sensory input of a scraped knee woundresult in the feeling of pain.
- Q 1 Celiac disease causes inflammation of the small intestine thatcauses the villi to atrophy, so that the lining becomes flat. Howwould this affect nutrient absorption? Why? Would feces of celiacpatients...
- Q         The endo-, peri-and epi-myseum all coalesce to form:          A.Trebecular bone.          B.Endosteal surfaces.          C.Tendons.           D. Epiphyseal plates.           E. The A-band.           5.Connective tissue can be an important source of energy asexemplified by:            A. Adipocytes.            B....
- Q Which of the following may result in an increase in meanarterial pressure (MAP) explain:W) increased heart rateX) decreased venous return.Y) increased peripheral resistance.Z) increased radius of systemic arterioles.Select one:a. if...
- Q 1. (a) Describe the process of DNA replication and draw somepictures. In your answer, include the starting materials, describethe building blocks, their interactions, and the proteins involved.You might use the...
- Q ____________________________ What hormone secreted by thestomach also is a primary stimulant of stomach action, secretion& motility?__________________________ What hormone’s release is primarilystimulated by a drop in pH in the small intestines?What...
- Q Graded potentials may:W. initiate an action potential.X. depolarize the membrane to the threshold voltage.Y. hyperpolarize the membrane.Z. be called EPSPs or IPSPs.Select one:a.if only W, X and Y are correctb....
- Q 1. A genetic inability to produce intrinsic factor affects whatcells? And leads to a deficiency of what nutrient? Why?2. Compare/contrast the roles of HCl and Bile.
- Q 68) As you go from the cortex to the outer medulla andto the inner medulla the interstitial soluteconcentration_______IncreasesStays about the sameDecreasesNone of these69) Osmoregulation involves theHomeostasis of theBlood plateletsBrain tissueWater...
- Q A 62-year-old woman was in a car accident and suffered severebrain damage. Will the brain be able to repair the damaged tissueto a functional level? Explain your answer.
- Q how does ADHD affect the prefrontal cortex and the basalganglia? (with detail please)
- Q Describe the flow of foodstuff through the digestive tractstarting with ingestion at the buccal cavity and end withdefecation at anus. For each region state (1) which enzymes aresecreted if any,...
- Q How do the global and local reflexes address the optimization ofthe ventilation : perfusion ratio (keeping it close to 1)?
- Q Select each of the following that would result inelevated cardiac output for a given heart rate. Inother words, which of the following would result in increasedstroke volume?elevated end diastolic volumeincreased...
- Q In the organ of corti, what membrane is attached to the haircells
- Q 1. Reabsorption occurs whena. Filtered solute is transported from the lumen of the renaltubule to the blood of the peritubular capillariesb. Solute is transported from the blood of the peritubularcapillaries...
- Q Superior rectus muscle elevates the eyeTrueFalse
- Q During countercurrent multiplication, water is reabsorbed intothe blood from the descending limb of the loop of Henle becausea. NaCl is transported out of the ascending limbb. It is co-transported with...
- Q The sensory and motor tracts in the spinal cord area.Ipsilateralb.Contralateralc.Both a and b are correctd.None of the above is correct
- Q 56 year old lady who was first referred to thehospital complaining of low back pain radiating to the left leg.She noted that her left leg had been more swollen than...
- Q Carbon dioxide is primarily carried throughout the body...Select one:a. By dissolving into plasmab. By binding to hemoglobinc. As bicarbonated. By binding to myoglobine. By dissolving into red blood cells
- Q Photoreceptors in the retina secrete a large amount ofneurotransmitter ina.The presence of light (light phase)b.The absence of light (dark phase)c.Regardless of the lightd.Photoreceptors do not secrete neurotransmitter
- Q Which of the following statements describes the Haldaneeffect?Select one:a. Increasing the partial pressure of oxygen decreases theability of carbon dioxide to bind hemoglobinb. Decreasing the partial pressure of oxygen increases...
- Q Amygdala and hippocampus are components ofa.Visual association areab.Precentral gyrusc.Mesencephalond.Limbic systeme.Reticular activating system (Reticular formation)
- Q 1. As solute is filtered out of the blood and becomes a part ofthe filtrate within the renal corpuscle, water will bea. filtered out of the blood as wellb. Reabsorbed...
- Q Question: A single hormone may initiate different pathways afterbinding to different receptors on the same cell. Explain how, andgive examples?
- Q Below are symptoms of a patient related to the DigestiveSystem and Metabolism. Each person needs to answer all of these andthen reply substantially to their teammates. As a team you...
- Q DOWN SYNDROMEWhat is the history of the disease?How common is it, and how is it diagnosed?What are the major signs, symptoms?What techniques sre used for genetic screening of thedisease?
- Q Id methods to control fluid intake in someone who hasa restriction on the amount of fluids allowed in 24hrs.
- Q Question: A child with severe attack of bronchial asthma treatedwith intramuscular injection of adrenalin. His shortness of breathimproved, but he developed increased heart rate and pale skin,explain why this medication...
- Q Q. Discuss the details of secretion, regulation and function ontarget tissue of hormone Oxytocin.
- Q Criteria for Success: To be successful you willmake sure you complete diagrams in a concise manner that clearlyexplains or represents the anatomy and physiological responses. Youalso need to make sure...
- Q In the event of a lacerated femoral artery, the rapid loss inblood volume causes a precipitous decline in blood pressure.Describe in detail—from the local/cellular level all the way up tothe...
- Q discuss the development of TMJ, its unique features interms of structure and function and its clinical significance
- Q What are normal and abnormal causes of hematuria?
- Q please answer all 15 questions if u cant answer all then pleaselet someone else answer it. thanks.Histones are proteins associate with which of the following?BloodHair FollicleDNASpermSkipWhich of the following organs...
- Q TBI Treatment App DiscussionRespond to this discussion question by Thursday, June 11Consider that the hallmark of deficits in TBI is cognitivedeficits. Cognitive deficits involve the areas of orientation,attention, memory, problem-solving...
- Q if you were to design a medication for high blood pressure, howwould you design it? what systems would you target? how would thisdrug work on a biochemical level? Could it...
- Q There are many similarities within our own bodies and the upperextremity often mirrors the lower extremity. Choose 2 joints, oneupper and one lower extremity, and describe how the bones and...
- Q The Sodium/potassium ATPase pump has been called the “centerof the universe.†Why do you think that is?You will need to explain electrochemical gradients, restingmembrane potentials and ion movement. You will...
- Q List the differences between arteries, veins andcapillaries.
- Q What happens to your body if you are in a cold room andyour core body temperature starts dropping below normal? [ 5 marks]
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