Ghrelin is a peptide secreted by the digestive tract; it:
1.is a major indicator of satiety.
2.promotes the secretion of Neuropeptide Y (NPY).
3.promotes the secretion of Peptide YY3-36
4.enhances the actions of insulin.
2
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In this sagittal section showing the upper respiratory tract, what bone does number 2 indicate?
A. Frontal bone B. Maxillary bone C. Sphenoid bone D. Ethmoid bone E. Nasal bone
The thyroid gland regulates:
a. breathing. b. calcium in the blood. c. growth of long bones. d. metabolism.
A 60-year-old woman comes to the emergency department with shortness of breath. An arterial blood sample is obtained
PO2: 75 mm Hg (normal: 75 to 100 mm Hg) PCO2: 58 mm Hg (normal: 33 to 44 mm Hg) [HCO3-]: 24 mEq/L (normal: 22 to 28 mEq/L) pH: 7.24 (normal: 7.35 to 7.45) What is this woman's acid-base disorder? A. metabolic acidosis B. metabolic alkalosis C. acute respiratory acidosis D. acute respiratory alkalosis E. chronic respiratory acidosis
The type of cartilage that has the greatest strength and is found in the knee joint and intervertebral discs is __________.
A. hyaline B. elastic C. fibrocartilage