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Nur 172 Exam 2 (Respiratory, Neuro, Endocrine)- Qs & As
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Nur 172 Exam 2 (Respiratory, Neuro, Endocrine)- Qs &As
What's theophylline therapeutic level? Right Ans - 5-15 ug/mL
What is the mechanism of action of theophylline? Right Ans - 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? Right Ans - 0.3-5 uU/mL
What is TSH (thyrotropin)? Right Ans - 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? Right Ans - 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? Right Ans - - Primary
hypothyroidism
- Thyroiditis
- Congenital cretinism
- Large doses of iodine
- Surgical ablation of thyroid
- Severe, chronic illnesses
What does a decreased level of TSH indicate? Right Ans - - Secondary
hypothyroidism
- Hyperthyroidism
- Suppressive doses of thyroid medication
- Factitious hyperthyroidism
T3 normal range Right Ans - 40-180 ng/dL
, T4 normal range Right Ans - - Male: 4-12 mcg/dL
- Female: 5-12 mcg/dL
Free T4 normal range Right Ans - 0.8-2.8 ng/dL
What are signs and symptoms of theophylline toxicity Right Ans - >20
- Tachycardia
- Anorexia
- N/V
- Diarrhea
- Restless
- Irritable
- Headache
What is the normal pH of urine? Right Ans - 4.6-8
What is the normal urine protein level? Right Ans - 0-8 mg/dl
What's the fast blood glucose range? Right Ans - 70 - 110 mg/dL
What is the normal random blood glucose level and OGTT? Right Ans - 65-
139mg/dl
What's the normal HgbA1c range? Right Ans - 4-5.6%
What's the prediabetic HgbA1C range? Right Ans - 5.7-6.4%
What's the target HgbA1c for good diabetes control? Right Ans - <7
What range indicates fair control of diabetes? Right Ans - 8-9
What range indicates poor control of diabetes? Right Ans - >9
What are the instructions for a thyroid scan Right Ans - - NPO
- Consent and prep are required
- Determine allergies to dye
What is a thyroid scan used for? Right Ans - - To visualize the size, shape,
position, and physiological function of gland
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