BIOL 221 Lecture Notes - Lecture 12: Renal Compensation, Renal Corpuscle, Antiporter

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5 Mar 2020

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Review your notes from topic 7 then answer the following questions: Compensates for respiratory problems and metabolic problems (important when respiratory system fails to compensate) It is the only compensation for acid-base problem caused by respiratory diseases and it compensates for metabolic problems, although it does so more slowly than the respiratory system normally works. The ability of the kidneys to compensate for metabolic disorders is very to compensate as may occur when the person has both metabolic and respiratory diseases. the respiratory system important when fails. Via antiport with na+ at apical membrane. Via symport with na+ at basolateral membrane. Renal compensation occurs in the nephron (see topic 10). Hydrogen ions, bicarbonate and phosphates are filtered at the renal corpuscle in the same concentrations as they are found in plasma. Whatever is not reabsorbed is lost in the urine.

Related Questions

44.Charlotte touches a doorknob after an individual with MRSA touched the doorknob. Immediately after touching the knob, Charlotte scratches her leg and transmits some MRSA cells into a small wound.The doorknob is functioning as a(n) a. etiologic agent. c. mode of transmission. b. reservoir. d. host. 44.A man infected with a viral respiratory infection sneezes and releases tiny droplets containing viral particles. Two minutes later, a woman breathes in some of these tiny droplets and becomes infected by the same viral infection. The movement of this virus from one individual to another is best described as the a. etiologic agent. c. mode of transmission. b. reservoir. d. host. 45. Although sporadic outbreaks of measles occur in the United States, the disease is considered nonendemic. What differentiates measles from endemic diseases, such as chickenpox? a. Endemic diseases exhibit higher numbers of cases than a sporadic outbreak. b. Diseases that are not endemic lack a reservoir in the area. c. Endemic diseases do not exhibit sporadic outbreaks. d. Diseases that are not endemic remain in reservoirs without infecting humans. 46. Which of the following would indicate efforts to control a disease are working? a. The disease becomes endemic. b. The disease prevalence increases. c. The disease incidence decreases. d. Outbreaks of the disease only occur every other year. 47. Which of the following statements describes one of the three steps of surveillance used for infectious diseases? a. Patients with infectious diseases are required to be seen by a physician at the CDC. b. Physicians are required to submit all patient records electronically to the CDC for review. c. Patient charts are reviewed by an infection control practitioner when an infectious disease is suspected. d. Incidence data is collected in all cases of bacterial infections within the United States. 48. Which of the following lists correctly identifies nosocomial infections from most common to least common? a. urinary tract, pneumonia, septicemia b. pneumonia, urinary tract, surgical wounds c. septicemia, surgical wounds, diarrhea d. diarrhea, urinary tract, pneumonia 49. Mary, an elderly woman with an indwelling catheter, is admitted to a local hospital for treatment of pneumonia. Three days after her admission, Maryâs husband receives a call from the hospital. He is informed that Mary has a nosocomial infection. Which of the following statements is true? a. The nosocomial infection referred to is pneumonia. b. Mary has most likely developed a urinary tract infection. c. Of all hospital patients, 25â30% develop nosocomial infections. d. Maryâs nosocomial infection could have been prevented with improved ventilation. 50. A nurse working in a large hospital harbors MRSA as part of the normal microbiota in his nose. He is most likely the source of a MRSA outbreak if a. infected patients have all had been cared for by this nurse and the isolates are identical. b. the patients are all elderly and the isolates of MRSA are not genetically identical. c. all of the infected patients were seen by the same physician and half of the patients were cared for by this nurse. d. all of the infected patients are on the same floor of the hospital and all have a history of heart problems. 51. Which of the following is NOT an example of aseptic technique? a. use of antiseptic on skin prior to insertion of an IV line b. use of latex gloves during the insertion of an indwelling catheter c. disinfection of doorknobs and other inert surfaces d. use of trash can liners in all patient rooms 52. An individual case of diphtheria, a notifiable infectious disease, in a patient in Florida is confirmed by laboratory testing. This patientâs physician would be required to a. send a letter to the WHO in Geneva, Switzerland. b. contact the CDC in Atlanta, Georgia. c. treat the patient regardless of health insurance status. d. quarantine the patient for eight weeks. 53. Fifteen individuals within one province in China are diagnosed with SARS. Epidemiologists will most likely a. quarantine the entire province immediately. b. contact the CDC in the United States to see if any cases were reported in the United States. c. wait to see if more cases of SARS are reported. d. try to identify the index case. 54. How does vaccinating wild rodents or poultry influence human health? a. Vaccinating wild rodents or poultry has no effect on human health. b. Vaccinating wild rodents or poultry reduces transmission of zoonotic diseases to humans. c. Vaccinating wild rodents or poultry reduces the migration of microbes into temperate regions. d. Vaccinating wild rodents or poultry increases the emergence of drug-resistant bacteria. 55. Which of the following scenarios would help meet the goal of the One Health Initiative? a. vaccinating poultry against avian influenza to prevent influenza from being transmitted to humans b. taking steps to reduce carbon dioxide emissions to reduce the effects of climate change c. providing sanitation after flooding events to prevent gastrointestinal infections in humans d. increasing compliance during antibiotic treatment of tuberculosis patients to prevent emergence of drug-resistant strains of tuberculosis 56. If humans continue to develop rapid transportation systems into more parts of the world, we should expect to see a. pandemics tracing the path of the transportation systems. b. an increase in detection of blood-borne pathogens. c. a decrease in human encroachment into tropical rain forests. d. an increase in the spread of transmissible spongiform encephalopathies. 57. How has the AIDS pandemic influenced reemerging diseases? a. AIDS has increased the number of immunocompromised individuals who are susceptible to diseases that were previously declining in developed countries. b. AIDS has led to an increase in the number of disease vectors throughout the world. c. AIDS has increased the prevalence of protozoal and parasitic infections that were declining in underdeveloped countries. d. AIDS has caused evolution to occur in diseases that were close to being eradicated in all countries. 58. Which of the following is likely to occur as a result of climate change? a. Insect vectors will migrate from tropical regions to once-temperate regions. b. Gastrointestinal infections will decrease in tropical regions. c. Microbes currently found in temperate regions will move to tropical regions. d. Extreme weather will decrease and diseases will become less seasonal. 59. What features would allow a virus to be used effectively as a bioweapon? a. a high infectious dose c. person-to-person transmission b. transmission via an insect vector d. quick pathogen detection systems

Question 2

The DSM-IV describes an "Eating Disorder Not OtherwiseSpecified" as:

self-starvation that leads to severe nutrient deficiencies

compulsive eating disorder

a variety of atypical eating behaviors used to maintain or lowerbody weight

recurrent episodes of extreme overeating followed byself-induced vomiting

Question 3

The nutrition paradox refers to:

coexistance of underweight and obesity in the same region

too mucn vitamin A in foods rich in vitamin C

poor countries that have excessive rates of obesity

obese children from nonobese parents

Question 4

Which of the following represents a nutrition transition?

decreased reliance on carbohydrates

increased consumption of sugar

increased availibility of maize over corn

lower-fat subsistence crops

Question 5

Which of the following is NOT part of the GOBI initiative?

breast-feeding

obesity control

immunization

growth monitoring

Question 6

Which of the following is a response to the drawbacks of theGreen Revolution?

WIC

high yield varities of grains

sustainable agriculture

biotechnology

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Question 70.5 pts

Worldwide, the major cause of undernutrition is:

unequal distribution of food

diseases (like AIDS)

poor farming practices

overpopulation

Question 8

Which agency monitors all confirmed causes of food-borneillness?

EPA

FDA

CDC

USDA

Question 9

In which of the following environments does Clostridiumbotulinum flourish?

acidic

alkaline

<40 degrees F

> 140 degrees F

Question 10

Which of the following is an example of food intoxication?

Norwalk virus

Salmonella

hepatitis A

Clostridium botulinum

Question 11

All of the following describe characteristics of the femaleathlete triad EXCEPT

menstrual dysfunction

disordered eating

hypertension

osteoporosis

Question 12

Impulsive, low self-esteem, seeks attention, extroverted, anderratic describe personality traits of:

bulemia nervosa

binge-eating disorder

obesity

anorexia nervosa

Question 13

Obsessive-compulsive, perfectionism, socially inhibited,compliant, and emotionally restrained describe personality traiatsof

binge-eating disorder

anorexia nervosa

bulimia nervosa

obesity

Question 14

The Institute of Medicine recommends a minimum of ________minutes of physical activity each day for adults.

Question 15

Regular exercise reduces the risk of type 2 diabetes by all butwhich of the following?

decreases the cellular uptake of blood glucose

delays the onset of complications of type 2 diabetes

increases control of blood glucose

enhances the action of insulin

Question 16

What is meant by the overload principle?

stretching a muscle group beyond the joint's healthy range ofmotion

improving fitness by placing extra physical demand on thebody

complete depletion of the body's glycogen

subjecting the body to inappropriately high stress

Question 17

The acronym FIT stands for:

fatigue, intensity, and training.

flexibility, increase, and training.

fitness, increase, and time.

frequency, intensity, and time.

Question 18

To achieve cardiorespiratory fitness it is recommended thattraining should occur ________.

3-5 days a week

daily

more than 5 days a week

2-3 days a week

Question 19

To achieve and maintain physical fitness, exercise intensityshould be ________ of the maximal heart rate.

35-50%

15-25%

25-30%

50-80%

Question 20

In which of the following types of exercise would CP (creatinephosphate) be an important source of energy?

biking up a mountain

sprinting in the 100-meter race

running a 10-kilometer road race

playing in a football game

Question 21

Which is NOT an advantage of aerobic metabolism over anaerobicmetabolism?

Much more energy is produced for every fuel molecule.

Aerobic metabolism acts more quickly.

Harmful metabolites do not accumulate as quickly.

A greater fuel supply is available.

Question 22

An unwanted effect of an overly vigorous warm-up is:

increased muscle temperature.

glycogen depletion.

increased body temperature.

reduced stress levels.

Question 23

Each day Bill power-walks for 45 minutes. Which fuel source(s)provide(s) energy during this activity?

amino acids

glucose

fatty acids

fatty acids and glucose

Question 24

The main disadvantage of using fat as a fuel is:

the body's limited storage capability.

its low energy density.

its slow metabolic breakdown.

the limitation of anaerobic metabolism.

Question 25

Joseph plays basketball for his high school team and he isconcerned that he is not consuming enough kilocalories to supporthis activity. Which of the following would be the best indicatorthat he is not consuming adequate kilocalories?

His hemoglobin is low.

His blood glucose levels are low.

His performance has been impaired.

He is losing weight.

Question 26

Rachel is a gymnast who trains 2 hours/day on average. Shesupports her daily activity by consuming 2,500 kilocalories perday. How many kilocalories should she be consuming fromcarbohydrate sources?

1,500-1,625 kilocalories

1,125-1,300 kilocalories

1,300-1,500 kilocalories

1,625-1,750 kilocalories

Question 27

The best time to replenish glycogen stores is:

the day after exercising.

a few hours before exercising.

the day before exercising.

right after exercising.

Question 28

In which of the following events would carbohydrate loading bethe most beneficial?

cross country skiing

baseball game

weight lifting

100-yard dash

Question 29

Osteoporosis, eating disorders, dehydration, and heat illnessare all possible consequences of:

the Zone diet.

carbohydrate loading.

inadequate dietary intake.

overtraining.

Question 30

Which of the following is the most potentially harmful?

heat syncope

heatstroke

heat cramps

heat exhaustion

Question 31

Which of the following athletes would be LEAST likely to developiron deficiency anemia?

a female marathon runner

a male basketball player who is a vegan

a female gymnast

a male distance swimmer

Question 32

Amenorrhea, sometimes seen in female athletes, is:

the onset of menstruation.

osteoporosis.

the loss of the menstrual cycle.

frequent diarrhea.

Question 33

Some athletes believe that caffeine can enhance athleticperformance because it has been shown to:

increase the transport of amino acids to exercising muscle.

increase muscle flexibility and strength.

increase the use of fatty acids as a fuel source.

regenerate ATP for energy.

Question 34

Which of the following ergogenic aids has been shown to enhanceshort-term exercise and resistance training?

chromium picolinate

creatine

carnatine

ephedrine

Question 35

Consuming processed foods as opposed to whole foods decreasesthe risk of contracting a food-borne illness.

True

False

Question 36

Regular physical activity can increase HDL-cholesterol.

True

False

Question 37

Nearly 1 in 6 American adults reports getting no physicalactivity at all.

True

False

Question 38

Lactic acid is a by-product of high-intensity exercise.

True

False

Question 39

Training can enhance the ability to store glycogen.

True

False

Question 40

The primary fuel source utilized in both anaerobic and aerobicexercise is protein (amino acids).

True

False

Question 41

Studies suggest that athletes need to consume more than 2grams/kg of protein each day to maintain muscle strength.

True

False

Question 420.5 pts

Refigerating or freezing foods will kill any bacteria present inthe food.

True

False

Question 43

Most athletes do not consume enough protein to support theiradded physical activity.

True

False

Question 44

Thirst is a very reliable indicator of dehydration.

True

False

BIOL 221 Lecture Notes - Lecture 12: Renal Compensation, Renal Corpuscle, Antiporter

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