Nur 172 Exam 2(Respiratory, Neuro, Endocrine); Questions with Complete Answers
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Course
NURS 172
Institution
NURS 172
Nur 172 Exam 2(Respiratory, Neuro,
Endocrine); Questions with Complete Answers
What's theophylline therapeutic level? Correct Answer-5-15 ug/mL
What is the mechanism of action of theophylline? Correct Answer-It inhibits
phosphodiesterase which consequently relaxes smooth muscle in the bronchi...
Nur 172 Exam 2(Respiratory, Neuro,
Endocrine); Questions with Complete Answers
What's theophylline therapeutic level? Correct Answer-5-15 ug/mL
What is the mechanism of action of theophylline? Correct Answer-It inhibits
phosphodiesterase which consequently relaxes smooth muscle in the bronchial
airways and pulmonary blood vessel. This is used to treat breathing problems,
not for flare ups.
Thyroid Stimulating Hormone (TSH)
Thyrotropin normal range? Correct Answer-0.3-5 uU/mL
What is TSH (thyrotropin)? Correct Answer-Pituitary secretion is stimulated
by hypothalamic thyroid releasing hormone (TRH). Low levels of T3 and T4
stimulate TSH. Used to monitor exogenous thyroid replacement or suppression
What is the goal of thyroid replacement? Correct Answer-Provide an
adequate amount of thyroid medication so that TSH secretion is in low-normal
range, indicating euthyroid state
What does an increased level of TSH indicate? Correct Answer-- Primary
hypothyroidism
- Thyroiditis
- Congenital cretinism
- Large doses of iodine
- Surgical ablation of thyroid
- Severe, chronic illnesses
, Nur 172 Exam 2(Respiratory, Neuro,
Endocrine); Questions with Complete Answers
What does a decreased level of TSH indicate? Correct Answer-- Secondary
hypothyroidism
- Hyperthyroidism
- Suppressive doses of thyroid medication
- Factitious hyperthyroidism
T3 normal range Correct Answer-40-180 ng/dL
T4 normal range Correct Answer-- Male: 4-12 mcg/dL
- Female: 5-12 mcg/dL
Free T4 normal range Correct Answer-0.8-2.8 ng/dL
What are signs and symptoms of theophylline toxicity Correct Answer->20
- Tachycardia
- Anorexia
- N/V
- Diarrhea
- Restless
- Irritable
- Headache
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