ANATOMY & PHYSIOLOGY ATI TEAS MIDTERM EXAM

ANATOMY & PHYSIOLOGY ATI TEAS MIDTERM EXAM Which of the following does the respiratory system eliminate when there is an excess of hydrogen ions in the body? Oxygen Carbon dioxide Bicarbonate Lactic acid - Carbon dioxide A normally functioning cardiovascular system where does a heartbeat originate? A. atrioventricular node B. the bundle of his C. purkinje fibers D. sinoatrial node - Sinoatrial node Blood cells are produced by which of the following? Red bone marrow Lamellae Lacunae Yellow bone marrow - red bone marrow Which of the following is the iron-containing component of red blood cell? Fibrinogen Albumin Hemoglobin Erythropoietin - Hemoglobin Which of the following is the function of angiotensin II in the regulation of blood pressure? Vasoconstriction Vasodilation Increased heart rate Decreased heart rate - Vasoconstriction Which of the following is hormones or enzymes is involved in fluid balance and is produced by the kidney? Renin Aldosterone Antidiuretics hormone Angiotensin I - Renin Which of the following may indicate a hypersecretion of thyroid hormone? Weight loss Bradycardia Cold intolerance Lethargy - Weight loss Peripheral vasodilation results in heat loss through which of the following process? Conduction Convection Radiation Evaporation - Radiation Bile aid