HPHY 325 Final Exam Questions With
Correct Answers
pH < 7.35
| |
Decreased neuron excitability
| |
drowsiness, slurred speech, coma - CORRECT ANSWER✔✔-acidosis
| | | | | |
pH > 7.45
| |
increased neuron excitability
| |
numbness, tingling, muscle twitching, heart arrhythmia - CORRECT
| | | | | | | |
ANSWER✔✔-alkalosis
Signs/symptoms of acidosis - CORRECT ANSWER✔✔-drowsiness, slurred
| | | | | |
speech, coma
| |
Signs/symptoms of alkalosis - CORRECT ANSWER✔✔-numbness,
| | | | | |
tingling, muscle twitching, heart arrhythmia
| | | |
pH response system that has low capacity and acts immediately -
| | | | | | | | | | |
CORRECT ANSWER✔✔-chemical buffers
| |
,pH response system that has intermediate capacity and acts within
| | | | | | | | | |
minutes - CORRECT ANSWER✔✔-respiratory system
| | | |
pH response system that has high capacity, but takes hours to days to
| | | | | | | | | | | | |
take affect - CORRECT ANSWER✔✔-renal system
| | | | |
Acts to lessen the ability of acid or base to dramatically change pH -
| | | | | | | | | | | | | |
CORRECT ANSWER✔✔-buffer |
Accumulation of CO2 in the blood due to hypoventilation - CORRECT
| | | | | | | | | | |
ANSWER✔✔-respiratory acidosis |
Causes of respiratory acidosis - CORRECT ANSWER✔✔-impaired lung
| | | | | | | |
function (cystic fibrosis, emphysema), impaired ventilation (chest injury,
| | | | | | | |
weak respiratory muscles), depression of respiratory center (brain stem
| | | | | | | | |
injury)
Excessive elimination of CO2 due to hyperventilation - CORRECT
| | | | | | | | |
ANSWER✔✔-respiratory alkalosis |
Causes of hyperventilation - CORRECT ANSWER✔✔-strong emotions
| | | | | | |
(pain, fear, panic), abnormal respiratory control (brain tumor/injury)
| | | | | | |
, Excessive loss of bicarbonate, or excessive acid - CORRECT ANSWER✔✔-
| | | | | | | | |
metabolic acidosis |
Causes of metabolic acidosis - CORRECT ANSWER✔✔-severe diarrhea,
| | | | | | | |
renal disease, untreated diabetes mellitus, starvation, excess alcohol
| | | | | | | |
ingestion
Excessive loss of acid, excessive bicarbonate - CORRECT ANSWER✔✔-
| | | | | | | |
metabolic alkalosis |
Causes of metabolic alkalosis - CORRECT ANSWER✔✔-vomiting, gastric
| | | | | | | |
suctioning, excessive ingestion of antacids, adrenal tumor (excessive
| | | | | | | |
aldosterone)
Effects of aldosterone - CORRECT ANSWER✔✔-increased sodium
| | | | | | |
reabsorption (increased blood volume and pressure), increased
| | | | | | |
potassium secretion (maintain electrolyte balance), increased proton
| | | | | | |
secretion (maintain acid-base balance)
| | |
When one system causes pH imbalance, the other system tries to
| | | | | | | | | | |
compensate - CORRECT ANSWER✔✔-acid-base compensation
| | | |
Correct Answers
pH < 7.35
| |
Decreased neuron excitability
| |
drowsiness, slurred speech, coma - CORRECT ANSWER✔✔-acidosis
| | | | | |
pH > 7.45
| |
increased neuron excitability
| |
numbness, tingling, muscle twitching, heart arrhythmia - CORRECT
| | | | | | | |
ANSWER✔✔-alkalosis
Signs/symptoms of acidosis - CORRECT ANSWER✔✔-drowsiness, slurred
| | | | | |
speech, coma
| |
Signs/symptoms of alkalosis - CORRECT ANSWER✔✔-numbness,
| | | | | |
tingling, muscle twitching, heart arrhythmia
| | | |
pH response system that has low capacity and acts immediately -
| | | | | | | | | | |
CORRECT ANSWER✔✔-chemical buffers
| |
,pH response system that has intermediate capacity and acts within
| | | | | | | | | |
minutes - CORRECT ANSWER✔✔-respiratory system
| | | |
pH response system that has high capacity, but takes hours to days to
| | | | | | | | | | | | |
take affect - CORRECT ANSWER✔✔-renal system
| | | | |
Acts to lessen the ability of acid or base to dramatically change pH -
| | | | | | | | | | | | | |
CORRECT ANSWER✔✔-buffer |
Accumulation of CO2 in the blood due to hypoventilation - CORRECT
| | | | | | | | | | |
ANSWER✔✔-respiratory acidosis |
Causes of respiratory acidosis - CORRECT ANSWER✔✔-impaired lung
| | | | | | | |
function (cystic fibrosis, emphysema), impaired ventilation (chest injury,
| | | | | | | |
weak respiratory muscles), depression of respiratory center (brain stem
| | | | | | | | |
injury)
Excessive elimination of CO2 due to hyperventilation - CORRECT
| | | | | | | | |
ANSWER✔✔-respiratory alkalosis |
Causes of hyperventilation - CORRECT ANSWER✔✔-strong emotions
| | | | | | |
(pain, fear, panic), abnormal respiratory control (brain tumor/injury)
| | | | | | |
, Excessive loss of bicarbonate, or excessive acid - CORRECT ANSWER✔✔-
| | | | | | | | |
metabolic acidosis |
Causes of metabolic acidosis - CORRECT ANSWER✔✔-severe diarrhea,
| | | | | | | |
renal disease, untreated diabetes mellitus, starvation, excess alcohol
| | | | | | | |
ingestion
Excessive loss of acid, excessive bicarbonate - CORRECT ANSWER✔✔-
| | | | | | | |
metabolic alkalosis |
Causes of metabolic alkalosis - CORRECT ANSWER✔✔-vomiting, gastric
| | | | | | | |
suctioning, excessive ingestion of antacids, adrenal tumor (excessive
| | | | | | | |
aldosterone)
Effects of aldosterone - CORRECT ANSWER✔✔-increased sodium
| | | | | | |
reabsorption (increased blood volume and pressure), increased
| | | | | | |
potassium secretion (maintain electrolyte balance), increased proton
| | | | | | |
secretion (maintain acid-base balance)
| | |
When one system causes pH imbalance, the other system tries to
| | | | | | | | | | |
compensate - CORRECT ANSWER✔✔-acid-base compensation
| | | |
