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Which of the following is a characteristic sign of hyperthyroidism?

A.

Cold intolerance

B.

Fatigue and lethargy

C.

Tremors and nervousness

D.

Weight gain

Answer and Explanation

The Correct Answer is C

A. Cold intolerance: Incorrect. Cold intolerance is associated with hypothyroidism, not hyperthyroidism.

B. Fatigue and lethargy: Symptoms typically seen in hypothyroidism.

C. Tremors and nervousness Correct Answer. Hyperthyroidism often presents with symptoms such as tremors (especially in the hands) and nervousness due to increased sympathetic activity. Increased metabolism and sympathetic nervous system activity lead to these symptoms.

D. Weight gain: Typically seen in hypothyroidism due to slowed metabolism.


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Related Questions

Correct Answer is C

Explanation

A. Pernicious anemia: Typically involves vitamin B12 deficiency, not associated with heavy menstrual periods.

B. Folic acid deficiency anemia: Presents with similar symptoms but does not typically cause heavy menstrual bleeding.

C. Iron deficiency anemia. Iron deficiency anemia is characterized by low hemoglobin and hematocrit due to insufficient iron for red blood cell production. Symptoms of weakness, fatigue, and heavy menstrual bleeding are classic signs of iron deficiency anemia, which is confirmed by low hemoglobin and hematocrit levels.

D. Sickle cell anemia: Characterized by sickle-shaped red blood cells and is genetic in nature, not related to heavy menstrual bleeding.

Correct Answer is ["22"]

Explanation

Dobutamine infusion calculation:

  • Client weight: 220 pounds
  • Dobutamine dose ordered: 5.5 mcg/kg/min
  • Dobutamine concentration: 750 mg in 500 mL
  • Conversion factor: 1 mg = 1000 mcg
  • 1 kg = 2.2 pounds

Calculations:

  • Convert client weight to kg: 220 lbs / 2.2 lbs/kg = 100 kg
  • Calculate mcg/min: 5.5 mcg/kg/min × 100 kg = 550 mcg/min
  • Calculate mcg/hr: 550 mcg/min × 60 min/hr = 33000 mcg/hr
  • Calculate mL/hr: Dobutamine concentration is 750 mg/500 mL, which equals 1500 mcg/mL.
    • mL/hr = 33000 mcg/hr / 1500 mcg/mL = 22 mL/hr

Answers:

  • mcg/min: 550 mcg/min
  • mcg/hr: 33000 mcg/hr
  • mL/hr: 22 mL/hr

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