BIO 254 LAB - PRACTICE QUESTIONS With Correct Solutions!!

The cardiovascular center is located -ANSWER medulla oblongata All deoxygenated blood returning from the systemic circulation flows into the: -ANSWER Right Atrium Which of the following layers of the pericardium is the dense connective tissue structure that plays an important role in protecting the heart and keeping it in place in the mediastinum? -ANSWER Fibrous pericardium Degradation of the chordae tendineae would most likely result in -ANSWER Valvular Prolapse (valve fails to close properly) Max, a 16 year old, has grown 14 inches taller than his identical twin brother this year. What organ or organ region do you suspect may not be functioning properly? -ANSWER Anterior Pituitary The correct order of sequence of structures that allows the normal sequence of excitation to progress through the heart -ANSWER SA Node, AV node, Bundle of HIS, Bundle Branches, Purkinje fibers. The right side of the heart plays a role in ______________, while the left side of the heart plays a role in ____________. -ANSWER Pulmonary circulation; systematic circulation Which of the following hormones stimulates cells of the anterior pituitary to secrete FSH and LH? -ANSWER GnRH- Gonadotropin-releasing hormone Daniel is a 24 year old male, admitted to the hospital with symptoms similar to osteoporosis. Hyper-secretion of which of the following hormones might be the cause for his condition? -ANSWER Parathyroid Hormone Sara's MAP is -ANSWER 109mmHg Which of the following statements about cardiac output is NOT CORRECT? -ANSWER Parasympathetic nerve stimulation will increase the heart rate and thus increases the cardiac output. The S-T se