Anatomy and Physiology
9th Edition
ISBN: 9781260256000
Author: SALADIN
Publisher: MCG
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Chapter 29, Problem 4TYC
Summary Introduction
Summary:
If the ductus arteriosus fails to close after birth, the neonatal blood pressure, systemic diastolic pressure and the heart (right ventricle) are affected.
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In normal children,when the ductus arteriosus should be anatomically completely closed is()
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Chapter 29 Solutions
Anatomy and Physiology
Ch. 29.1 - Prob. 1BYGOCh. 29.1 - Prob. 2BYGOCh. 29.1 - Prob. 3BYGOCh. 29.1 - Prob. 4BYGOCh. 29.1 - Why sperm must meet an egg near the distal end of...Ch. 29.1 - Prob. 2AYLOCh. 29.1 - Prob. 3AYLOCh. 29.1 - Prob. 4AYLOCh. 29.1 - Events that occur between penetration by a sperm...Ch. 29.1 - The division of pregnancy into three trimesters...
Ch. 29.1 - Duration of the preembryonic stage; the three...Ch. 29.1 - The meaning of cleavage; the term for the...Ch. 29.1 - Prob. 9AYLOCh. 29.1 - Prob. 10AYLOCh. 29.1 - Prob. 11AYLOCh. 29.2 - Prob. 5BYGOCh. 29.2 - Prob. 6BYGOCh. 29.2 - Prob. 7BYGOCh. 29.2 - Prob. 8BYGOCh. 29.2 - Prob. 9BYGOCh. 29.2 - Major events that occur in the embryonic stage and...Ch. 29.2 - Prob. 2AYLOCh. 29.2 - Prob. 3AYLOCh. 29.2 - Prob. 4AYLOCh. 29.2 - Prob. 5AYLOCh. 29.2 - Prob. 6AYLOCh. 29.2 - Prob. 7AYLOCh. 29.2 - Prob. 8AYLOCh. 29.2 - Prob. 9AYLOCh. 29.2 - Prob. 10AYLOCh. 29.2 - Prob. 11AYLOCh. 29.3 - Prob. 10BYGOCh. 29.3 - Prob. 11BYGOCh. 29.3 - Prob. 12BYGOCh. 29.3 - Prob. 1AYLOCh. 29.3 - Prob. 2AYLOCh. 29.3 - Prob. 3AYLOCh. 29.3 - Prob. 4AYLOCh. 29.3 - Prob. 5AYLOCh. 29.3 - Prob. 6AYLOCh. 29.3 - Prob. 7AYLOCh. 29.3 - Prob. 8AYLOCh. 29.3 - Three classes of teratogens, with examples of...Ch. 29.3 - Prob. 10AYLOCh. 29.3 - Nondisjunction and how it gives rise to triplo-X,...Ch. 29.4 - Prob. 13BYGOCh. 29.4 - Prob. 14BYGOCh. 29.4 - Prob. 15BYGOCh. 29.4 - Prob. 16BYGOCh. 29.4 - Prob. 17BYGOCh. 29.4 - Prob. 1AYLOCh. 29.4 - Prob. 2AYLOCh. 29.4 - Senescent changes in the integumentary system;...Ch. 29.4 - Prob. 4AYLOCh. 29.4 - Prob. 5AYLOCh. 29.4 - Prob. 6AYLOCh. 29.4 - Prob. 7AYLOCh. 29.4 - Prob. 8AYLOCh. 29.4 - Prob. 9AYLOCh. 29.4 - Prob. 10AYLOCh. 29.4 - Prob. 11AYLOCh. 29.4 - Prob. 12AYLOCh. 29.4 - Prob. 13AYLOCh. 29.4 - Prob. 14AYLOCh. 29.4 - Prob. 15AYLOCh. 29.4 - Prob. 16AYLOCh. 29.4 - Prob. 17AYLOCh. 29.4 - Prob. 18AYLOCh. 29.4 - Prob. 19AYLOCh. 29 - Prob. 1TYRCh. 29 - Prob. 2TYRCh. 29 - Prob. 3TYRCh. 29 - Prob. 4TYRCh. 29 - Which of these results from aneuploidy? a. Turner...Ch. 29 - Fetal urine accumulates in the ______ and...Ch. 29 - One theory of senescence is that it results from a...Ch. 29 - Prob. 8TYRCh. 29 - Prob. 9TYRCh. 29 - Prob. 10TYRCh. 29 - Prob. 11TYRCh. 29 - Aneuploidy is caused by _____, the failure of two...Ch. 29 - Prob. 13TYRCh. 29 - Prob. 14TYRCh. 29 - Prob. 15TYRCh. 29 - Prob. 16TYRCh. 29 - Prob. 17TYRCh. 29 - Prob. 18TYRCh. 29 - Prob. 19TYRCh. 29 - Prob. 20TYRCh. 29 - Prob. 1BYMVCh. 29 - Prob. 2BYMVCh. 29 - Prob. 3BYMVCh. 29 - Prob. 4BYMVCh. 29 - Prob. 5BYMVCh. 29 - Prob. 6BYMVCh. 29 - Prob. 7BYMVCh. 29 - Prob. 8BYMVCh. 29 - Prob. 9BYMVCh. 29 - Prob. 10BYMVCh. 29 - Prob. 1WWTSCh. 29 - Prob. 2WWTSCh. 29 - Prob. 3WWTSCh. 29 - Prob. 4WWTSCh. 29 - Prob. 5WWTSCh. 29 - As the placenta develops, the membranes of its...Ch. 29 - Prob. 7WWTSCh. 29 - Prob. 8WWTSCh. 29 - Prob. 9WWTSCh. 29 - The gradual destruction of telomeres by telomerase...Ch. 29 - Suppose a woman had a mutation resulting in a...Ch. 29 - Prob. 2TYCCh. 29 - Prob. 3TYCCh. 29 - Prob. 4TYCCh. 29 - Only one sperm is needed to fertilize an egg, yet...
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- Tell which vessel is missing from the following vascular circuit: Tracing the circulation to and from the placenta, a drop of blood travels in the fetus from the left ventricle to the aorta, to a common iliac artery, to an internal iliac artery, to an umbilical artery, to capillaries in the placenta, to the ductus venosus, to a hepatic vein, to the inferior vena cava, to the right atrium, to the foramen ovale, to the left atrium, and to the left ventricle. (a) umbilical vein, (b) ligamentum arteriosum, (c) internal carotid artery, (d) capillaries in the small intestine.arrow_forwardSelect the correct statement regarding the AV node B) it produces the P wave on the EKG C) it is also known as the heart's pacemaker D)it contains autorhythmic cellsarrow_forwardThe sac that provides a fluid-filled cushion for the heart is composed of (z) an inner visceral pleur and (y) an outer parietal pleura. (w) an outer parietal pericardium and (x) an inner visceral pericardium. (w) an endothelium and (x) a mesothelium. the diaphragm and (w) the pleuracardium. (x) a parietal pericardium and (z) parietal peritoneum.arrow_forward
- The mother of a three-month-old infant was concerned because her child had little energy and did not seem to be thriving. You examine the child and suspect the presence of a congenital cardiac defect, most likely a patent ductus arteriosus. What other symptoms would accompany this diagnosis? Left-to-right shunting of blood between the atria Notching of the ribs created by dilated intercostal arteries Decreased oxygen in the systemic circulation Distension of the right atrium Increased blood flow in the pulmonary circulationarrow_forwardName the structures in the fetal circulation that stop functioning at birth. What becomes of these structures?arrow_forwardName the three vessels that carry blood to and from the placenta.arrow_forward
- Where are the baroreceptors that monitor blood pressure located? a) aorta and subclavian arteries b) aorta and carotid arteries c) aorta and carotid veins d) aorta and subclavian veins e) aorta and common iliac arteriesarrow_forwardAn area of dead myocardial tissue is called.....arrow_forwardThe ductus arteriosus in a fetus allows blood to flow directly a.) into the vena cava from the pulmonary vein b.) from the left atrium into the right atrium c.) into the aorta from the pulmonary artery d.) from the right atrium into the left atriumarrow_forward
- Which of the following best describes the location where the carotid pulse can be found? (A) In front of the ears and just above eye level(B) In the antecubital space(C) In the middle of the groin(D) On the anterior side of the neck(E) On the medial aspect of the wristarrow_forwardList the major blood vessels and their origins involved in coronary circulation. (ii) At what stage or phase of the heart’s activities does the heart tissues becomes perfused with oxygenated blood? (iii) Define myocardial infarction. (iv) Explain the typical signs associated with acute myocardial infarction. (v) Outline/State which arteries of the heart are most commonly affected/occluded. (vi) Explain why occlusions lead to infarct in the heart. (vii) What is creatine phosphokinase (CPK) and why are elevated CPK levels in the blood suggestive of a myocardial infarction? (viii) What is cor pulmonale? (ix) Describe the main clinical findings (with cor pulmonale) on examination. Explain your answer.arrow_forwardRelaxation of precapillary sphincters: a) increases blood flow through ateriovenous shunt b) increases hydrostatic pressure at the arteriole end of the capillary c) reduces the quanityt of blood serving that body region d) is directly caused by the parasympathetic nervous systemarrow_forward
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