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Hypoxia is the primary problem related to near-drowning victims. The first organ that sustains irreversible damage after submersion in water is the:

  1. Kidney (urinary system)
  2. Brain (nervous system)
  3. Heart (circulatory system)
  4. Lungs (respiratory system)

Answer(s): B

Explanation:

(A) The kidney can survive after 30 minutes of water submersion. (B) The cerebral neurons sustain irreversible damage after 4­6 minutes of water submersion. (C) The heart can survive up to 30 minutes of water submersion. (D) The lungs can survive up to 30 minutes of water submersion.



Hypoxia is the primary problem related to near-drowning victims. The first organ that sustains irreversible damage after submersion in water is the:

  1. Kidney (urinary system)
  2. Brain (nervous system)
  3. Heart (circulatory system)
  4. Lungs (respiratory system)

Answer(s): B

Explanation:

(A) The kidney can survive after 30 minutes of water submersion. (B) The cerebral neurons sustain irreversible damage after 4­6 minutes of water submersion. (C) The heart can survive up to 30 minutes of water submersion. (D) The lungs can survive up to 30 minutes of water submersion.



The following medications were noted on review of the client's home medication profile. Which of the medications would most likely potentiate or elevate serum digoxin levels?

  1. KCl
  2. Thyroid agents
  3. Quinidine
  4. Theophylline

Answer(s): C

Explanation:

(A) Hypokalemia can cause digoxin toxicity. Administration of KCl would prevent this. (B) Thyroid agents decrease digoxin levels. (C) Quinidine increases digoxin levels dramatically. (D) Theophylline is not noted to have an effect on digoxin levels.



The following medications were noted on review of the client's home medication profile. Which of the medications would most likely potentiate or elevate serum digoxin levels?

  1. KCl
  2. Thyroid agents
  3. Quinidine
  4. Theophylline

Answer(s): C

Explanation:

(A) Hypokalemia can cause digoxin toxicity. Administration of KCl would prevent this. (B) Thyroid agents decrease digoxin levels. (C) Quinidine increases digoxin levels dramatically. (D) Theophylline is not noted to have an effect on digoxin levels.






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