Cardiovascular — Flashcards

Flashcard 121: How does hematocrit change with sweating in a desert? _____

Answer: No change

Extra: Other: Goljan

Flashcard 122: What is the effect of increased temperature on testosterone production? _____

Answer: No effect

Flashcard 123: Is the ciliary muscle under parasympathetic or sympathetic control? _____

Answer: Parasympathetic

Flashcard 124: What effect does increased TBG levels have on thyroid hormone secretion? _____

Answer: Increases secretion

Flashcard 125: The major factor that stimulates glucagon secretion is _____

Answer: hypoglycemia

Flashcard 126: Does hyperthyroidism present with hypo- or hyper-glycemia? Why? _____

Answer: Hyperglycemia; due to increased gluconeogenesis and glycogenolysis

Flashcard 127: What changes in potassium levels (hyper- or hypokalemia) can induce arrhythmias? _____

Answer: Both hyper- and hypokalemia :)

Extra: Sketchy Pharmacology: Cardiovascular (Antiarrhythmics)

Flashcard 128: The chylomicrons in intestinal epithelial cells enter lymphatic capillaries known as _____

Answer: lacteals

Flashcard 129: The calcium channels that open during the plateau phase (myocardial action potential) are _____-type channels

Answer: L

Flashcard 130: What is the effect of dilated cardiomyopathy on contractility? _____

Answer: Decreased (systolic dysfunction)