Cardiovascular — Flashcards

Flashcard 81: What type of signaling mechanism does histamine use to reach parietal cells? _____

Answer: Paracrine (locally diffuses)

Flashcard 82: Platelet aggregation occurs via binding between the _____ receptor and fibrinogen

Answer: GPIIb/IIIa

Flashcard 83: Ejection fraction is normally > _____%

Answer: 55

Extra: * reduced would be < 40%

Flashcard 84: Cardiac contractility can be estimated by the left ventricular _____

Answer: ejection fraction

Flashcard 85: What step of leukocyte extravasation occurs directly after rolling? _____

Answer: Adhesion

Extra: Leukocyte Extravasation steps: 1. Margination 2. Rolling (Selectins) 3. Adhesion (Integrins) 4. Transmigration / Diapedesis (PECAM-1) 5. Chemotaxis (C5a, LTB4, IL-8, Bacterial products)

Flashcard 86: Obese individuals have _____ levels of leptin

Answer: increased

Flashcard 87: One function of cholecystokinin is to increase secretion of _____ enzymes

Answer: pancreatic

Flashcard 88: Which female sex steroid is responsible for stimulation of endometrial glandular secretions? _____

Answer: Progesterone

Flashcard 89: The _____ nervous system can direct all functions of the GI tract, even in the absence of extrinsic innervation (e.g. PNS/SNS)

Answer: enteric

Flashcard 90: _____ stimulates breast development in a supportive role with estrogen

Answer: Prolactin