Nokea
The nurse would expect a patient with respiratory acidosis to have an excessive amount of
- A. Hydrogen ion
- B. Bicarbonate
- C. Oxygen
- D. Phosphate
Correct Answer: A
Rationale: Respiratory acidosis occurs when the arterial blood pH level falls below 7.35 and is caused by an accumulation of hydrogen ions due to impaired carbon dioxide elimination.
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Specialized cells that circulate in the body to promote clotting are called:
- A. anticoagulants
- B. platelets
- C. embols
- D. platelets
Correct Answer: D
Rationale: Platelets are specialized cells that promote clotting by forming a protein-based clot to prevent excessive bleeding. The option 'embols' is likely a typo for emboli, which are not cells.
The best way for an individual to maintain acid-base balance is to
- A. avoid or quit smoking
- B. avoid or quit smoking
- C. quit smoking and quit smoking
- D. quit smoking and quit smoking
Correct Answer: D
Rationale: Maintaining a healthy lifestyle, including quitting smoking, regular exercise, and a healthy diet, helps prevent conditions like COPD and type-2 diabetes, which can disrupt acid-base balance.
The best indicator of fluid volume changes in the body is:
- A. Skin dryness
- B. weight changes
- C. Blood pressure
- D. pulse rate
Correct Answer: B
Rationale: Changes in weight are the best indicator of fluid volume changes in the body, as they directly reflect fluid gain or loss.
Hypokalemia can occur in patients with prolonged diarrhea and is caused by a decrease in:
- A. calcium
- B. magnesium
- C. potassium
- D. sodium
Correct Answer: D
Rationale: Hypokalemia occurs when there is a decrease in serum potassium, often due to prolonged diarrhea, which can lead to life-threatening rhythm abnormalities.
A major serum protein that is below normal in patients who have inadequate nutrition is:
- A. Albumin
- B. Globulin
- C. Fibrinogen
- D. Transferrin
Correct Answer: A
Rationale: Albumin is a major serum protein, and low levels are indicative of inadequate nutrition, as it is synthesized by the liver and requires adequate protein intake.