A patient was diagnosed with seasonal affective disorder (SAD). During which month would this patient's symptoms be most acute?

a. January
b. April
c. June
d. September


ANS: A
The days are short in January, so the patient would have the least exposure to sunlight. Seasonal affective disorder is associated with disturbances in circadian rhythm. Days are longer in spring, summer, and fall.

Nursing

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A child is diagnosed with attention deficit hyperactivity disorder (ADHD). Which characteristics would the nurse assess in this child? (Select all that apply.)

a. Social anxiety b. Impulsivity c. Hyperactivity d. Distractability e. Inattention

Nursing

The nurse is providing care to a patient with mysasthenia gravis (MG). The nurse would plan this care based on which characteristics of the disease? Note: Credit will be given only if all correct choices and no incorrect choices are selected

Select all that apply. 1. Immunosuppressant therapy may be prescribed. 2. Exercise increases muscle strength. 3. Visual problems may be an early symptom. 4. Initial drug treatment often involves cholinesterase inhibitors. 5. Ptosis may be either unilateral or bilateral.

Nursing

Which of the following statements about R2 is not true?

a. It is sometimes called the coefficient of determination. b. Its values can range from -1.00 to +1.00. c. Its value indicates the percentage of variation of Y explained by all predictors as a set. d. It is a measure of magnitude but not direction of relationships.

Nursing

Which mineral helped iodine deficiencies become uncommon in North America?

A) Copper B) Selenium C) Sodium D) Calcium

Nursing