Renal — Flashcards

Flashcard 371: What is the normal range of Osmolality, serum?

Answer: From 275 to 295 mOsmol/kg H2O

Flashcard 372: What is the normal range of Thyroid iodine (123I) uptake?

Answer: 8–30% of administered dose at 24 hours

Flashcard 373: What is the normal range for 24-hour urinary potassium excretion?

Answer: Varies with dietary intake (typically 25–125 mEq/24h)

Flashcard 374: What is the normal range of urine chloride?

Answer: Varies with dietary intake (typically 110–250 mEq/24h)

Flashcard 375: What is the normal range of CSF: Cell count?

Answer: From 0 to 5 mm3

Flashcard 376: What is the normal range of CSF: Chloride?

Answer: From 118 to 132 mEq/L

Flashcard 377: What is the normal range of Urine: Osmolality?

Answer: From 50 to 1400 mOsmol/kg H2O

Flashcard 378: What is the normal range for serum intact parathyroid hormone (iPTH)?

Answer: 10–65 pg/mL

Extra: Intact PTH (iPTH) is the primary assay used clinically. N-terminal and C-terminal fragments also exist but are less clinically significant; C-terminal fragments are cleared by the kidneys and may be falsely elevated in patients with chronic kidney disease (CKD).

Flashcard 379: What is the normal range of Sweat: chloride?

Answer: From 0 to 35 mmol/L

Flashcard 380: What is the normal range of Calcium, serum (Ca2+)?

Answer: From 8.4 to 10.2 mg/dL