Nokea
Priority Decision: When replacement therapy is started for a patient with long-standing hypothyroidism, what is most important for the nurse to monitor the patient for?
- A. Insomnia
- B. Nervousness
- C. Weight loss
- D. Dysrhythmias
Correct Answer: D
Rationale: Starting replacement therapy in patients with long-standing hypothyroidism requires close monitoring for potential cardiac dysrhythmias, especially as the thyroid hormones normalize.
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A drug useful in the treatment of acute attack of migraine is:
- A. Sumatriptan
- B. Ergometrine
- C. Dihydroergometrine
- D. Propranolol
Correct Answer: A
Rationale: Sumatriptan is the correct answer for treating acute migraine attacks as it is a specific serotonin receptor agonist that helps constrict blood vessels in the brain. Ergometrine and dihydroergometrine are ergot alkaloids used for other conditions, not migraine. Propranolol is a beta-blocker used for migraine prevention, not acute attacks.
As the shift begins, you are assigned these patients. Which patient should you assess first?
- A. A 38-year-old patient with Graves' disease and a heart rate of 94/minute
- B. A 63-year-old patient with type 2 diabetes and fingerstick glucose of 137 mg/dL
- C. A 58-year-old patient with hypothyroidism and heart rate of 48/minute
- D. A 49-year-old patient with Cushing's disease and +1 dependent edema
Correct Answer: C
Rationale: A heart rate of 48/minute in a patient with hypothyroidism could indicate bradycardia, which requires immediate assessment to ensure the patient's safety.
The target organs of ADH are the:
- A. adrenal cortex and liver
- B. kidney and blood vessels
- C. liver and kidney
- D. pituitary and thyroid glands
Correct Answer: B
Rationale: The correct answer is B: kidney and blood vessels. ADH, or antidiuretic hormone, acts on the kidney to regulate water reabsorption and maintain fluid balance in the body. It also acts on blood vessels to regulate blood pressure. The other choices are incorrect because ADH does not target the adrenal cortex, liver, pituitary gland, or thyroid gland specifically for its primary functions. ADH primarily acts on the kidney and blood vessels to regulate water balance and blood pressure in the body.
One of the two hormones made by the pituitary that help regulate reproductive cells is luteinizing hormone. The other hormone is .
- A. follicle-stimulating hormone
- B. epinephrine
- C. norepinephrine
- D. androgens
Correct Answer: A
Rationale: The correct answer is A: follicle-stimulating hormone (FSH). FSH is the other hormone made by the pituitary gland that helps regulate reproductive cells, along with luteinizing hormone (LH). FSH is responsible for stimulating the growth and maturation of ovarian follicles in females and spermatogenesis in males.
Explanation:
1. FSH is directly involved in the reproductive process by stimulating follicle development and sperm production.
2. Epinephrine and norepinephrine are not hormones produced by the pituitary gland and are involved in the stress response.
3. Androgens are male sex hormones produced primarily by the testes, not the pituitary gland.
In summary, FSH is the correct answer as it plays a crucial role in regulating reproductive cells, while the other choices are not involved in the reproductive system or are not produced by the pituitary gland.
Saliva contains the enzyme salivary amylase. Which food type does salivary amylase begin to break down?
- A. Proteins
- B. Starches
- C. Roughage
- D. Fats
Correct Answer: B
Rationale: Salivary amylase breaks down starches into simple sugars like maltose. Starch is a complex carbohydrate found in foods like bread, pasta, and rice. When you chew food, salivary amylase in saliva starts the digestion process by breaking down starch molecules. Proteins are broken down by stomach enzymes, roughage (fiber) is not digested by enzymes in the mouth, and fats are primarily digested in the small intestine by pancreatic lipase. Therefore, choice B, starches, is the correct answer as salivary amylase specifically targets this food type for initial breakdown.