An infant is brought to the emergency department with the following clinical manifestations: poor skin turgor, weight loss, lethargy, tachycardia, and tachypnea. This is suggestive of which situation?
a. Water excess
b. Sodium excess
c. Water depletion
d. Potassium excess
ANS: C
These clinical manifestations indicate water depletion or dehydration. Edema and weight gain occur with water excess or overhydration. Sodium or potassium excess would not cause these symptoms.
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The nurse is teaching a pregnant woman about breast milk. Which statement by the nurse is correct?
a. "Your breast milk is immediately present after the delivery of your baby." b. "Breast milk is rich in protein and sugars (lactose) but has very little fat." c. "The colostrum, which is present right after birth, does not contain the same nutrients as breast milk." d. "You may notice a thick, yellow fluid expressed from your breasts as early as the fourth month of pregnancy."
A client with chronic renal failure informs the nurse that he frequently uses over-the-counter medications to manage headaches. The nurse's best response should be:
1. "As long as you don't exceed the recommended dose, it is okay." 2. "It would be better to use herbal supplements than most over-the-counter analgesics." 3. "You should check with your primary care provider before using any over-the-counter medications." 4. "The FDA ensures that all over-the-counter medications are safe to consume."
Which is the purpose of the ovum's zona pellucida?
a. Prevents multiple sperm from fertilizing the ovum b. Stimulates the ovum to begin mitotic cell division c. Allows the 46 chromosomes from each gamete to merge d. Makes a pathway for more than one sperm to reach the ovum
Each year the school nurse demonstrates how to read the label on a can of carrots to a group of students. She knows that the first ingredient listed on the food label will be:
1. Carrots. 2. Sodium. 3. Food coloring. 4. Water.