ScienceBiologyPHYSIO EX 10
Please enter something

PHYSIO EX 10

Sabrina Edwards avatar Sabrina Edwards
24 July 2022
4.7 (114 reviews)
33 test answers

Unlock all answers in this set

Unlock answers (29)
question
Which of the following is NOT one of the body's chemical buffering systems?
answer
hydrochloride
question
What are some of the body's chemical buffering systems?
answer
phosphate, protein, bicarbonate
question
Which of the following has the greatest capacity for pH change in the body? digestive system renal system respiratory system endocrine system
answer
renal system
question
Respiratory alkalosis is a result of _______.
answer
too little carbon dioxide in the blood
question
Hyperventilation is defined as _______.
answer
an increase in the rate and depth of breathing
question
What is the normal range for the partial pressure of carbon dioxide in the blood?
answer
35 - 45 mm Hg
question
Hyperventilation can result in _______.
answer
too little carbon dioxide in the blood
question
Respiratory alkalosis is characterized by a blood pH _______.
answer
greater than 7.45
question
Why was the breath held after the second hyperventilation?
answer
to retain carbon dioxide
question
The formation of carbonic acid from water and carbon dioxide is catalyzed by _______.
answer
carbonic anhydrase
question
Too much carbon dioxide in the blood can be the result of _______.
answer
emphysema
question
Why does rebreathing simulate hypoventilation?
answer
Carbon dioxide accumulates in the blood with either.
question
Respiratory acidosis is a result of _______.
answer
an increase in the H+ in the blood
question
Respiratory acidosis can be a result of _______.
answer
asthma
question
Which of the following occurred during rebreathing?
answer
carbon dioxide increased
question
Respiratory acidosis can be compensated for by _______.
answer
the kidneys
question
Carbon dioxide levels in the blood and blood pH are _______.
answer
inversely proportional to each other
question
How do the kidneys compensate for acid-base imbalances?
answer
by excreting bicarbonate ion by reabsorbing bicarbonate ion by reabsorbing H+ by excreting H+
question
Which of the following have the same effect on plasma pH?
answer
reabsorption of bicarbonate and excretion of H+
question
The movement of fluid and solutes from the peritubular capillary to the renal tubule is referred to as _______.
answer
tubular secretion
question
The nephron is responsible for maintaining _______.
answer
acid-base balance in the body electrolyte balance in the body fluid balance in the body
question
The kidneys compensate for respiratory alkalosis by _______.
answer
conserving H+ and excreting bicarbonate ion
question
In uncompensated respiratory acidosis, the _______.
answer
carbon dioxide levels of the blood are elevated
question
When the partial pressure of carbon dioxide was decreased, what changes occurred in the urine?
answer
H+ in the urine decreased and bicarbonate ion increased in the urine.
question
At which partial pressure of carbon dioxide did respiratory acidosis occur?
answer
60 mm Hg
question
Excessive diarrhea results in which of the following?
answer
loss of bicarbonate, metabolic acidosis
question
Ingestion of too much alcohol results in which of the following?
answer
gain of acid, metabolic acidosis
question
Which of the following does NOT result in metabolic alkalosis?
answer
hyperventilation
question
Ketoacidosis is usually a result of _______.
answer
uncontrolled diabetes mellitus
question
Compensation of metabolic alkalosis includes which of the following?
answer
excreting bicarbonate ion in the renal system and retaining carbon dioxide through the respiratory system
question
Metabolic acidosis results in _______.
answer
hyperventilation
question
Which metabolic rate resulted in metabolic acidosis?
answer
80 kcal/hr
question
Which of the following occurred when the metabolic rate was set to 20 kcal/hr?
answer
metabolic alkalosis and hypoventilation