Human Physiology - Breathing & Exchange of Gases Questions and Answers

The figure shows three spirometry test results The far left graph is A normal Based on the size shape and approximate vital capacity flow volum C this patient shows Flow volume loop comparison Flow Volume Multiple Choice A B C pneumonia nothing These values are normal Orestriction obstruction

A patient who has a low FEV1 and a low FEF25 75 in a spirometry test should be diagnosed with Multiple Choice pneumonia restriction obstruction nothing These values are normal

Which of the following is a correct path of air through the respiratory tract Select all that apply Check All That Apply nose to pharynx to larynx to trachea nose to larynx to pharynx to trachea trachea to main bronchi to bronchioles to terminal bronchioles trachea to main bronchi to respiratory bronchioles to terminal bronchioles terminal bronchioles to respiratory bronchioles to alveolar duct

If someone can exhale forcefully for a short moment and then produces a weak stream of air with lots of wheezing the Multiple Choice FEF25 75 will be high FVC will be below normal FEV1 will be high FEF25 75 will be low

orax oc whe air gets to the pleural cavity of the following uld you expect to this happens all that apply Check All That Apply intrapleural pressure would decrease intrapleural pressure would increase the lungs would expand slightly the lungs would deflate collapse

Succinate dehydrogenase SDH assay will be used to identify the presence of mitochondria in the acquired fractions SDH enzyme is a Embedded in the inner mitochondrial membrane IMM b All of these c Specific to the mitochondria d Involved in the electron transport chain and the Krebs cycle

At what location s does CO2 and O2 exchange take place Check all that apply The right side of the heart only The lungs The capillaries The heart

Figure 21 23 Bell jar model N 2 3

Step 01 Find an article in the popular press that addresses any areas of social determinants of health for American Indian Alaska Native health Create your own outline of what you will talk about these are your private notes of main points questions you have etc Link off of some type of evidence in this article to another resource What does this article tell you Why is it important Does it help you understand the main points the issue etc Do you agree or disagree What s your opinion now Write and post a 1 2 page blog about the article that you found including a short summary evidence and your opinion Make sure you provide a link or source to the article just Respond to other student posts by Friday Feb 23 2024 at 1159pm

How does the removal of CO2 correlate to the reduction of electron carriers

Adjacent water molecules interact through the sharing of electrons between the hydrogen of one water molecule and the oxygen of another water molecule electrical attraction between the hydrogen of one water molecule and the oxygen of another water molecule sharing of electrons between adjacent oxygen molecules trical attraction between the hydrogen atoms of adjacent water molecules

Match each definition with the correct term a aerobic cellular respiration b gas exchange c ventilation d partial pressure e plasma f hemoglobin 1 O O 2 O O O O 3 O O O O O O 4 O O 5 O O O O O OOO O 6 points 6 O O

Breathing is largely a n involuntary action True False Platelets are cell fragments in the blood that are necessary for blood clotting O True False A n alveolus is a tiny sac at the end of a bronchiole that forms the respiratory membrane True False 1F

What does this diagram illustrate pneumothorax gas exchange in the alveoli exhalation external intercostal muscles inhalation internal intercostal muscles inward bulk flow of air diaphragm 1

Which of the following is small circular piece of DNA independent of the bacterial chromosome O ribosome O endospore O inclusion O plasmid

Oxygen dissociation curve exit ticket The graph below shows the oxygen dissociation curve at a low CO2 concentration Oxygen saturation 100 50 DO a Outline the main changes in the lungs that occur in patients with emphysema 2 b State a treatment for emphysema 1 I

21 For each label the structure and state its individual function B D AIRWAY E 90 urime Imm Bodo oodat Tuv vee A aerrein C

Define homeostasis

QUESTION 9 Sugars dissolve well in water because of water s O polarity O ionic bonds O hydrophobic exclusion O cohesiveness QUESTION 10 Atomic nuclei contain protons and O moles O neutrons O isomers inns

What two gases are exchanged between the respiratory system and t circulatory system O carbon dioxide and hydrogen Ooxygen and carbon dioxide Ohydrogen and nitrogen

What is the D Value or DRT in this Microbial Death Curve log10 of number of live bacterial cells 99876 HO 10 1 0 Microbial Death Curve 0 5 10 15 20 25 30 35 40 45 50 Time min Arithmetic scale O Log 10 D value Source OpenStax Microbiology half an hour 50 minutes Arithmetic number of live bacterial cells 10 000 000 000 1 000 000 000 100 000 000 10 000 000 1 000 000 100 000 10 000 1 000 100 10 1 Logarithmic scale O 10 raised to the power of 6 bacterial cells Time min 0 5 10 15 20 25 30 35 40 45 50 Number of cells 1010 109 108 107 106 105 104 103 10 10 10

ATP performs work by direct transfer of a phosphate group breaking down completely into all of its component parts releasing a sugar molecule to its surroundings hydrolyzing the molecule it is acting on

Identify the two structures that contain mechanoreceptors within muscles and tendons that collect proprioception information Golgi tendon organs muscle spindles Pacinian corpuscles extrafusal muscle fibers

What is the total energy cost associated with the compound below adopting the shown conformation 3 8 kJ mol 11 kJ mol O 14 kJ mol 16 kJ mol 18 kJ mol HCH3 HH H CH3

36 If the temperature of a rock unit is elevated significantly the rock is more like a Deform plastically than elastically b Undergo brittle failure than plastic deformation C Deform elastically rather than undergo brittle deformation d Deform elastically than plastically 37 The amount of earthquake shaking and ground motion is a result of The magnitude of the earthquake event a b The depth of the focus C The geology of the soil and rock d All of the above contribute to the shaking 38 The type of fault most commonly found in divergent plate boundaries a Normal or gravity faults Reverse faults b C Strike slip faults d Transform or thrust faults 39 If an earthquake occurs the first waves to arrive at a seismographic station a P waves b S waves c Rayleigh waves d Love waves 40 Transverse S waves are only generated through a Liquids b Solids C 1 Any substance d Gas 41 A Love wave is C a A transverse surface wave with a swaying side to side motion b A longitudinal surface wave with an up and down motion The primary wave d The first wave felt as it is generated faster than a Rayleigh wave

Your trachea have short hair like cell process that move the mucus What is the name of these hair like structures and which cytoskeletal elements form them Cilia microtubules Microvilli microtubules Villi intermediate filaments Flagella microfilaments

14 FILL IN THE BLANK STA Select the best term from the list below and complete the following statements antecubital space arrhythmia diastolic electrocardiogram metabolism pulse radial respiration 3 8 1 dilated 6 The rhythm 2 The is a procedure that measures the electrical activity of the heartbeat and can be used in th detection and diagnosis of heart abnormalities 7 The sphygmomanometer stethoscope temperature thermometer tympanic volume is the term used to describe the blood pressure reading when the heart chambers are relaxed and refers to the physical and chemical processes that occur within a living cell or organism that a necessary for the maintenance of life 4 An irregularity in the force or rhythm of the heartbeat is termed 5 relates to the fold in the arm in front of the elbow is a rhythmic throbbing of arteries produced by regular contraction of the heart artery is located at the base of the thumb on the wrist side is the act or process of inhaling and exhaling breathing 15 The quantity or amount of a substance is its 9 The instrument used for measuring blood pressure is the 10 The instrument that is used for listening to sounds produced within the body is the 11 is the degree of hotness or coldness of a body or an environment 12 The instrument used for measuring a person s temperature is the 13 is a sequence or pattern relates to or resembles a drum

In the reaction pyruvate CoA NAD acetyl CoA CO 2 NADH O Pyruvate is oxidized and NAD is reduced O Pyruvate is oxidized and CoA is reduced O Pyruvate is reduced and CoA is oxidized O Pyruvate is reduced and NAD is oxidized

Drag the appropriate labels to their respective targets Rectus abdominis Transversus abdominis Linea alba External oblique Aponeurosis of external oblique Internal oblique Inguinal ligament Rectus sheath Rese

Question 5 What happens to the oxygen that is used in cellular respiration O It is converted to carbon dioxide O It is used to make glucose used to make Krebs cycle intermediates O It is OIt is reduced to form water O It is converted to acetyl CoA

You conduct an experiment to see how color of light affects photosynthesis in spinach According to these data which light is best for promoting photosynthesis in spinach Color of light Floating disks White Red Blue Green white red blue 100 70 80 10

A Because DNA polymerase can only add to the 3 end the DNA copy can only grow in the direction 5 to 3 B nonparallel C 3 to 5

1 1 11 6 You are a pediatrician treating a patient IV 2 for a rare genetic disorder and examines the genetic history of his extended family see diagram below The pattern revealed by the pedigree appears to be that of a sex linked recessive trait The gene KenB seems to be encoded on the X chromosome and has to alleles the dominant G allele and the recessive G allele Match the likely genotypes of the following individuals 111 N IV 2 111 5 11 7 IV 3 111 3 11 Choose l Choose Choose Choose Choose Choose Choose Choose l

Listen The simple squamous epithelium sample shown in figure 4 5 is located in the pleura kidney pancreas heart point Question 7 1 point Listen The kidney contains many tiny tubes or tubules These tubules are formed of what type of epithelium simple squamous epithelium simple cuboidal epithelium stratified squamous epithelium stratified cuboidal epithelium Question 8 1 point Listen What is the function of a goblet cell to produce hormones Oto contract

What is the concentration of DNA whereby a 1 100 dilution has an absorbance reading of 0 215 at 260 nm 6 0 ug mL 1075 ug mL 175 ug mL 1750 ug mL

The AaBb x aabb and the following offspring were produced AaBb 43 Aabb 11 aaBb 14 aabb 32 Part 1 Which of the following correctly describes the arrangement of alleles in the heterozygous parent OA and b alleles on one chromosome a and B alleles on the homologous chromosome More information is necessary to answer this question OA and B alleles on one chromosome a and b alleles on the homologous chromosome Part 2 Using the information given in the instructions determine the predicted map distance between genes A and B O 75 CM 32 CM 11 CM

Match the symbol with the name of the element hint these are all elements you need to recognize by their symbols iron carbon calcium potassium sodium nitrogen 1 C 2 Ca 3 Fe 4 K 5 N 6 Na

This organism is used for neural development studies O E coli Drosophila melanogaster O Arabidopsis thaliana Saccharomycos

If the promoter region of a gene is more methylated under environmental condition A and less methylated under condition B in which condition will MORE mRNA be transcribed from this gene O The two conditions will have the same result O Condition A O Condition B

When you exhale the diaphragm O contracts and arches but only when you are exercising vigorously O relaxes and arches O relaxes and flattens contracts and flattens contracts and arches O

8 21 gen ions produced within human red blood cells are prevented from significantly lowering plasma pH because they bind to plasma buffers plasma proteins carbon dioxide carbonic acid hemoglobin Question 2 1 point Listen Why are bird lungs considered much more efficient that mammal lungs bird lungs have large air sars for gas exchango but mammell

During inhalation what makes oxygen from the air in the lungs move into the lung capillaries The force of breathing pushes the oxygen into the bloodstream Special pumps in the cells of the capllilaries move the oxygen As carbon dioxide moves out of the capillaries oxygen is pulled in The amount of oxygen in the air in the lungs is greater than the amount in the capillaries so it moves by diffusion Red blood cells can directly pick up oxygen molecules from the air

In mammals most gas exchange between the atmosphere and the pulmonary blood occurs in the Olarynx bronchioles trachea alveoli bronchi

5 18 21 When you exhale the diaphragm contracts and arches contracts and arches but only when you are exercising vigorously relaxes and arches relaxes and flattens contracts and flattens

3 Explain why late pregnancy often results in the types of air volumes that are noted in the scenario above Individual A

Individual C 35 year old male patient was gasping for breath at times during the procedure Vital capacity Tidal volume Inspiratory reserve Calculate the oxpiratory reserva 3500 300 2400 Lower hower hower

How do the microvilli on the absorptive epithelia of the small intestine enhance nutrient absorption they have a large amount of surface area that is in contact with digested food they contain thick and thin filaments to help absorb molecules they help protect the intestinal lining from abrasion they pump wastes into the lumen while pumping nutrients toward the blood they move back and forth to keep food moving in the digestive tract

Individual F 18 year old male patient who suffered a knife wound in the right thorax Tidal volume Expiratory reserve Inspiratory reserve Calculate the vital capacity 300 700 1900 Lower Lower hower

Individual Individual A 30 year old female nearing the end of her pregnancy Air Volume Vital capacity Expiratory reserve Inspiratory reserve Calculate the tidal Spirometer Reading ml 2600 600 1500 Higher Than Expected Lower Than Expected Lower normal Lower

Which structure is highlighted smooth muscle fibers circular layer O skeletal muscle fibers longitudinal section O skeletal muscle fibers cross section O cardiac muscle fibers longitudinal section P Pears