A&P Physio Test 1 MC

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As the hydrogen ion concentration of the ECF increases, the

kidneys increase hydrogen ion secretion

Metabolic acidosis would be indicated if blood pH is _____ and blood bicarbonate levels are ______.

low; low

A person who has unregulated diabetes mellitus may also have

metabolic acidosis

Kidney disease causes

metabolic acidosis

Prolonged diarrhea can cause

metabolic acidosis and dehydration

Prolonged vomiting may cause

metabolic alkalosis

Which of the following is a common cause of respiratory acidosis?

Hypoventilation due to emphysema

Which imbalance results when systemic arterial blood HCO3- levels drop significantly (below 22 mEq/liter)?

Metabolic acidosis

Respiratory alkalosis would be indicated if blood pH is _____ and blood carbon dioxide levels are ______.

...

The rate of fluid intake and outflow is how much higher in an infant than in an adult?

7 times higher

The normal pH of the blood ranges between

7.35-7.45

Which of these chemicals is capable of buffering strong bases?

H2CO3

Which imbalance results when systemic arterial blood CO2 levels raise to abnormal values?

Respiratory acidosis

Buffer systems, exhaling carbon dioxide and excretion by the kidneys, are all

Ways of controlling H+ levels in the body

Metabolic acidosis may develop following which situations? Select all that apply.

a severe gastrointestinal virus diabetic ketoacidosis renal dysfunction

Metabolic alkalosis may develop following which situations? Select all that apply.

a stomach virus excessive intake of drugs with a pH above 7.0

Which of the following is a condition where blood pH is below 7.35?

acidosis

Which protein is the main protein buffer in blood plasma?

albumin

Which of the following is NOT a mechanism that maintains pH of body fluids?

all of the above are correct

Which of these chemicals is able to help in compensating for metabolic acidosis?

bicarbonate ion

Inadequate exhalation of carbon dioxide can cause

blood pH to decrease

Which condition may result in respiratory alkalosis?

cerebrovascular accident

Buffer systems

function to convert strong acids or bases into weak acids or bases

Which of the following chemicals is considered to be a volatile acid?

h2co3

A person who is hyperventilating may

have respiratory acidosis

All of these conditions could cause respiratory acidosis EXCEPT

hyperventilation

Respiratory Acidosis may be caused by

hypoventilation

An increase in the level of H+ ions in the ECF would cause

increased renal secretion of H+

Metabolic reactions can produce

nonvolatile acids

All of these conditions could cause metabolic acidosis EXCEPT

prolonged vomiting of stomach contents

An acid is an ionic compound that

releases H+ when it dissociates

Emphysema may cause

respiratory acidosis

Prolonged hyperventilation could cause

respiratory alkalosis

Which of these chemicals is able to help in compensating for metabolic acidosis?

sodium chloride

In partial compensation

systemic arterial blood is still lower than 7.35

Which of the following is the most common cause of metabolic alkalosis?

vomiting


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