Human Health and Diseases Questions and Answers

It inhibits cell wall synthesis OIt creates thymine dimers O It reduces the pH of the cytoplasm O It causes oxidation of nucleic acids Question 7 0 5 pt What are the names of two natural chemical agents to control bacterial growth in meat O Natamycin

Connect the two columns Fungistatic Bactericide Viricide Bacteriostatic Question 3 Choose Choose Inhibits fungal growth Inhibits growth of all living microbes Kills all living microbes Inhibits bacterial growth Kills bacteria Inactivates viruses 0 5 pts

Read the following sentence from NIH Clinical Trials gov Prospective Study of Possible Infectious Disease Associated Antigen Drive in Previously Untreated Indolent Lymphoma Bacterial overgrowth of the small bowel Since indolent lymphomas often affect the lymph nodes surrounding the small bowel it may be possible that an infection within the bowel is stimulating lymphoma growth This has never been demonstrated to date and will be studied in this clinical study What is the name of this type of study O Cross sectional study Prospective study O Experimental study

Ebola may fall under the form of transmission called direct droplet transmission True False

Which of the following terms is correct for COVID 19 Epidemic disease Pandemic disease Endemic disease Notifiable disease Question 2 According to the graph below HIV incidence has a steady decrease from 1995 to 2010 in the U S

How does malaria impede blood flow O The protozoan produces capsules that cover the pathogen to evade phagocytosis O The protozoan produces adhesins that are expressed on the surface of the RBC causing them to stick to each other and to the inner surface of the blood vessel O No answer text provided O The protozoan is large enough to evade the immune system Question 9 0 5 pts

3 Which of the following names is of particular concern regarding the portal of entry on the stages of pathogenesis Mark all that apply TORCH Listeria monocytogenes Coughing Urination Question 5 0 5 pts

How is the availability of needed natural resources affected by human activiti

A H H M H H M Does mitochondrion A or B produce more ATP A produces more ATP H H H H H H OB produces more ATP B H H He H H H

Question 1 5 pts Cystic fibrosis is a Mendelian recessive allele The most common mutation associated with cystic fibrosis is the D F 508 mutation In the UK it is the most common cystic fibrosis variant accounting for 75 of cases However the worldwide frequency of cystic fibrosis associated mutations can vary greatly The frequency of the D F 508 mutation associated with cystic fibrosis in Romania was only 36 6 of cases Country United Kingdom Romania 9 408 9 996 AF 508 392 2 AF 508 AF 508 200 2 a Demonstrate the frequency of the D F 508 mutation is statistically significantly different between these two countries

Question 15 2 points A revolution in the prevention of many infection diseases to A versions samples of the infectious micro organism so our immune systems recognize the organism as a foreign invader and develops strategies chemicals to prepare to fight it the next time we are A involve intentionally exposing people infected

When someone has an auto immune disease their bodies immune system mistakes our own cells as foreign and attacks destroys them Some of the factors outline in our text that may contribute to the risk of developing one of these disorders include select all that apply Select 3 correct answer s substance abuse some inherited genetic defects hypertension some contraceptives viral infections nutritional problems deficiencies

HIV is not very infectious compared to other viral infections be cause it can not live very long A require very contact that exchanges blood fluids A A that and not by casual contact like saliva Answer 2 transmit many of the severe acute respiratory syndromes SARS that are air horno

6 If two phenotypically normal parents have six children and two daughters and two sons have the same genetic disorder that disorder is most likely to be hemophilia cystic fibrosis C Marfan syndrome d muscular dystrophy color blindness a b e

Question 2 A peer reviewed article from PLoS One 2008 suggests that the human MRSA252 strain shares several unique DNA sequences to different bacterial agents that cause bovine mastitis i e Listeria monocytogenes and Staphylococcus saprophyticus Bovine mastitis is an inflammation of the mammary gland of milking cows due to trauma or infections Which of the following could explain the process by which these DNA sequences of other species genomes became part of MRSA252 s genome Choose all that apply O Conjugation O Transduction DNA replication O Protein synthesis Transformation pt lac Operon regulation

Why is it necessary to have separate pathways for breaking down glucose and synthesizing glucose View Available Hint s The overall reaction pathway needs to be exergonic making it irreversible Glycolysis involves three highly exergonic steps that make the reverse endergonic reactions nearly impossible under cellular conditions If the two pathways were exact opposites of each other no appreciable amount of glucose would be broken down or formed ever All of the answers are correct Submit Previous Answers

Match the type of stimulus with the its receptor light carbon dioxide levels touch temperature pain 1 mechanoreceptor 2 thermoreceptor 3 chemoreceptor 4 photoreceptor 5 nociceptor

Red green color blindness is X linked in humans If a male is red green color blind and both parents have normal color vision which of the male s grandparents is most likely to be red green color blind Maternal grandmother Maternal grandfather Paternal grandmother Paternal grandfather Either grandfather is equally likely

Red green color blindness is a sex linked recessive trait in humans Two people with normal color vision have a color blind son What are the genotypes of the parents OXX and XY OXRXR and XRY XRX and XRY XRX and XY

In their famous experiment which of the following would Meselson and Stahl have observed after one cycle of replication in 14N medium if DNA replication were dispersive DNA molecules containing one strand of 15N DNA and one strand of 14N DNA ODNA molecules containing two 15N DNA strands only DNA molecules containing two 14N DNA strands only A mix of DNA molecules composed of a random mixture of 15N DNA segments and 14N DNA segements An equal number of DNA molecules containing two 15N DNA strands and DNA molecules containing two 14N DNA strands

D In Pinus the microgametophyte gives rise to the sperm Omegasporangiate cone O egg O pollen cone O adult tree Question 8 In higher plants the sporophyte is the O haploid organism O embryo sac O diploid organism O gamete producing stage O pollen Question 9 The fruit is produced by a O female gametophyte O female sporophyte

Effect of adding an enzyme to an exergonic reaction Your friend is studying a specific exergonic reaction Your friend hypothesizes that the addition of enzyme X will reduce the AG of this reaction thus allowing it to proceed spontaneously What do you think of your friend s hypothesis Multiple Choice This is a good hypothesis that fits with what is known about this reaction O Exergonic reactions never proceed spontaneously so this hypothesis does not fit with what is known about this reaction Enzymes do not change AG so this hypothesis does not fit with what is known about this reaction Exergonic reactions cannot benefit from the use of an enzyme so this hypothesis does not fit with what is known about this reaction

Reset Previous Next Put the following steps in the correct order from start to finish to show how CRISPR can be used to treat acne One or more of the steps may not be used Start by clicking the first item in the sequence or dragging it here Drag the items below into the box above in the correct order starting with the first item in the sequence A guide RNA is created that is complementary to a DNA sequence in acne causing bacteria that elicits an immune response in humans Cas9 cuts a specific gene in acne causing bacteria DNA repair mechanisms use complementary base pairing to introduce a new sequence A guide RNA is complexed with the Cas9 enzyme Cas9 is introduced to the acne causing bacteria

16 Products with bacteriostatic agents a kill b stops growth of the microbes

784 high risk individuals were referred to a lab and tried a new and simple screening for colon cancer To assess the validity of this new screening test all of these individuals also received a diagnostic test for colon cancer a colonoscopy Exactly half of these individuals found through the diagnostic test that they truly have colon cancer However according to the new screening 387 people screened positive for colon cancer The specificity of the new screening is 96 or 0 96 Remember Specificity true negatives from screening all who are actually diagnosed negative Fill in the table and assess the validity of the new colon cancer screening questions 8a f In the table fill in the blank cells and the cells that have a highlighted label Start with the information you know from the problem setup which are the labelled cells that also have asterisks and work from there Screening Screening Diagnostic test total diagnostic test Diagnostic test total diagnostic test 8a number of true positives 8b number of false positives 8c number of false negatives 8d number of true negatives 8e sensitivity of the new screening tect exproccod total screened total screened ww total in study 784

e 155 156 159 160 8 3 Describe a genotype and phenotype of a genetic carrier and use this term appropriately Drag each correct term to complete the passage Drag word s below to fill in the blank s in the passage Some genetic disorders are said to skip a generation but they are present in a parent known as a by another allele The only who has a copy of the allele for the disorder that is disorders that cannot be inherited in this way are in disorders that are only one parent the can pass on the disorder without expressing it

Leonardo asks Yolanda if she wants some cannabis What is he offering Yolanda O A meth OB cocaine OC marijuana OD opioids

Corinne s parents worry that she is using a gateway drug What does this MOST likely mean OA Using prescription drugs for headaches will make her addicted to them OB Smoking cigarettes will lead to her trying more dangerous drugs O C Drinking alcohol will lower her inhibitions about taking risks O D Doing cocaine will keep her awake and cause her to make bad decisions

Fatima is experiencing post partum depression What does this MOST likely mean O A She stopped using illegal drugs She gave birth to a baby She drank too much alcohol She has been diagnosed with HIV B O C O D

Adriana is starting a M A D D regional organization in her community What is MOST likely her purpose O A to help stop adolescents from making bad decisions OB to help pregnant women get the prenatal care they require OC to help survivors of sexual assault and abuse O D to help former drug addicts adjust to life after rehab

What is MOST likely TRUE about marijuana OA It can affect brain development OB It has no risk of addiction OC It is harmless to most teens OD It is legal for people over 18 years old

ssion S a researcher and medical doctor you make several observations about the appear atients that you see Bacteria are always associated with ulcers Ulcers are cured by antibiotics Cured only when bacteria are eradicated otherwise chronic ich of the following would be the correct application of Koch s postulates 3 pts 1 Certain bacteria are always associated with an ulcer and these are not found in individuals without ulcers 2 These bacteria have been isolated from patients with an ulcer and grown in pure culture 3 When these bacteria are introduced to a new host an ulcer occurs 4 The same bacteria are recovered from the individual with the ulcer 1 Certain bacteria are sometimes associated with an ulcer and these are usually not found in ndividuals without ulcers 2 These bacteria have been isolated from patients with an ulcer and grown in pure culture 3 When these bacteria are introduced to a new host an ulcer occurs in most ndividuals 4 The same bacteria are recovered from the individual with the ulcer Certain bacteria have been isolated from patients with an ulcer and grown in pure culture 2 hese bacteria are sometimes associated with an ulcer and these are usually not found in dividuals without ulcers 3 When these bacteria are introduced to a new host an ulcer occurs 4 he same bacteria are recovered from the individual with the ulcer

fluidity fatty acids have Unsaturated no double bonds Unsaturated double bonds Saturated no double bonds Saturated double bonds and contribute to increased membrane

12 Which of the following correctly illustrates how the glycan chains are connected within the peptidoglycan NAG A NAM HO Amino acids A DADADA DADADA DADADA D a Archaeal cell membranes b Gram positive bacterial cell membrane c Gram negative bacterial cell membrane d Mycobacterial cell wall B DADADA 040000 ooo80 ogoo ADADAD 13 The molecule pictured below could be found within the phospholipids of which type of membrane oooooooo 14 Which of the following is FALSE regarding lipopolysaccharides a They can act as a toxin b They function to anchor the outer membrane to the peptidoglycan c They are found in Gram negative bacteria but not in Gram positive bacteria d They include the following components Lipid A core polysaccharide and O antigen polysaccharide 15 Which of the following accurately describes the action of Vancomycin a It blocks the action of the transpeptidase which connects two peptide chains together thus inhibiting cell wall synthesis b It blocks the removal of the terminal D alanine on one of the peptide chains thus inhibiting cell wall synthesis c It works inside the cell by blocking the synthesis of the cell wall disaccharides thus inhibiting cell wall synthesis

is an at the gene FIG and Ros Explain the phenomenon and the aberrant outcomes as it related to cancer 2 The Fig Ros gene fusion protein and gene schematic is shown Outline a deletion analysis experiment providing the corresponding data testing which sections 1 4 are responsible for inducing a transforming phenotype Protein Schematic Section 1 Section 2 Section 3 Section 4 Gene Schematic one allele

Question 4 What form of RNA is a carrier of information from the nucleus that serves as a blueprint for specifying amino acid sequence for a protein OfRNA O mRNA O SIRNA O tRNA

as are placed in an aqueous solution The entropy of the phospholipids decreases and the entropy of the entire system also decreases The entropy of the phospholipids increases and the entropy of the entire system decreases O The entropy of the phospholipids decreases and the entropy of the entire system increases Question 38 1 point 4 Listen Under the conditions of a given reaction a positive AG means O the reaction is spontaneous Ono energy needs to be added the reaction is at equilibrium

Drug overdose is a Public Health concern because of Minority populations associated with overdose deaths O Data including deaths from any cause unintentional intentional and undetermined O The health disparities associated with overdose deaths The exponential growth in overdose deaths O Data inconsistency associated with overdose deaths

In HCOS staffing work can be select all that apply outsourced to consultants and staffing companies O run by community advisors centralized in a human resources department that serves the whole HCO decentralized to individual departments throughout the HCO

Which of the following is not a reason why a healthcare organization would utilize groups O To enable decisions to be made quickly O To help workers grow and develop professionally O To obtain input and representation of stakeholders O To build commitment to solutions changes and plans

The Council of Economic Advisers the Office of National Drug Control Policy the Office of Management and Budget and the Office of Homeland Security all fall under the umbrella of the O President s Cabinet O White House office Executive Office of President CC the

If the concentration of hydroxide ions is 10 10 what is the pOH 4 10 none of the choices is correct 14

Ease up on the gas pedal

You should always yield to oncoming traffic and pedestrians Oncoming traffic and pedestrians should yield to you

2 Some people harbor Clostridioides difficile as a natural inhabitant of their gastrointestinal tract However this bacterium is unlikely to cause diarrhea unless the person recently underwent an antibiotic regimen especially a broad spectrum antibiotic treatment Why would taking a broad spectrum antibiotic treatment put a patient at risk for C difficile diarrhea

Normal text Y Arial Reasoning 11 Reasoning B IU 3 Claim A fecal transplant can work to cure a patient infected with harmful bacteria such as C difficile in many different ways Evidence from the data 5 Evidence from the data Food and space form the immune selles are good for your body 3 Subclaim 1 Bacteria from the fecal transplant can fill up the space in the gut which limits the food and space for invading harmful bacteria Subclaim 2 Bacteria from the fecal transplan can help the patients body produce immune cells

Steven has hypertension and high cholesterol although both are well controlled on medication He has no signs symptoms of disease and has no diagnosed disease Steven was a previousl active tennis player playing for fun with friends twice each week and competing regularly a fev mes a year at a local senior tennis center However he states that he has not engaged in activity since he was in his early 60 s and began developing arthritis in his knees which made nim fearful of exercise He has knee pain occasionally and he believes that avoiding activity a avoring his knees will help his arthritis 4 Does Steven need medical clearance prior to beginning an exercise training program Why why not answer according to the acsm No CV Metabolic or Renal Disease AND No Signs or Symptoms Suggestive of CV Metabolic or Renal Disease Medical E Clearance Not Necessary Light to Moderate Intensity Exercise Recommended May Gradually Progress to Vigorous Intensity Exercise Following ACSM Guidelines No Known CV Metabolic or Renal Disease AND Asymptomatic Medical Clearance Recommended Following Medical Clearance Light to Moderate Intensity Exercise Recommended May Gradually Progress as Tolerated Following ACSM Guidelines Participates in Regular Exercise Any Signs or Symptoms Suggestive of CV Metabolic or Renal Disease Regardless of disease status Medical Clearance Recommended no Following Medical Clearance Light to Moderate Intensity Exercise Recommended May Gradually Progress as Tolerated Following ACSM Guidelines No CV Metabolic or Renal Disease AND No Signs or m Symptoms Suggestive of CV Metabolic or Renal Disease Medical 818 Clearance Not Necessary Continue Moderate or Vigorous Intensity Exercise May Gradually Progress Following ACSM Guidelines CN Yes Known CV Metabolic or Renal Disease AND Asymptomatic Medical for Clearance Moderate Intensity Exercise Not Necessary Medical Clearance within the last 12 months if no change in signs symptoms Recommended Before Engaging in Vigorous Intensity Exercise Continue with Moderate Intensity Exercise Following Medical Clearance May Gradually Progress as Tolerated Following ACSM Guidelines Any Signs of On Symptorns Suggestive of CV Metabolic or Renal Disease Regardless of disease status Discontinue Exercise and Seek Medical Clearance May Return to Exercise Following Medical Clearance Gradually Progress as Tolerated Following ACSM Guidelines FIGURE 2 Exercise preparticipation health screening logic model for aerobic exercise participation Exercise participation performing planned structured physical activity at least 30 min at moderate intensity on at least 3 dwk for at least the last 3 months Light intensity exercise 30 to 40 HRR or VO R 2 to 3 METS 9 11 RPE an intensity that causes slight increases in HR and breathing Moderate intensity exercise 40 to 60 HRR or VO R 3 to 6 METS 12 13 RPE an intensity that causes noticeable increases in HR and SPECIAL COMM

Question 9 2 pts Microbe A vs Microbe B Microbe A Causes mild symptoms that last for 1 2 days infects 1 in 10 individuals it encounters and has a low replication rate

NUR 102 Concepts 1 Instructor Dr Martin Assignment Due Date 09 12 2023 1 Define each term listed as the Nursing Diagnosis Qualifier NDQ 2 Provide three 3 Nursing Diagnosis Statements when an alteration occurs within the concepts of oxygenation perfusion fluid electrolytes tissue integrity and thermoregulation Name NDQ Deficient 1 Oxygenation 1 Perfusion 101 Fluid Electrolytes 1 2 1 2 Tissue Integrity 1 Thermoregulation 2

Listen Module 4 7 describes several structures composed of epithelium and connective tissue together The pericardium pleura and peritoneum are all cavities studied in Chapter 1 lined by a serous membrane and filled with serous fluid What type of epithelium is present here and produces the serous fluid simple squamous epithelium stratified squamous epithelium simple columnar epithelium transitional epithelium Question 22 1 point Listen According to Module 4 8 Tissue Repair When tissues get damaged what types of tissues will generally be able to replace themselves with new functional cells epithelial and smooth muscle tissues O cardiac and skeletal muscle tissues connective tissues like bone and cartilage connective tissues and neurons Question 23 1 point 4 Listen Other tissues cannot rebuild and instead fill in the damaged space with collagen fibers This process is called fibrosis Which types of tissues typically undergo fibrosis when they have been damaged