Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 20, Problem 26RQ
Which of the following statements is true?
- Two umbilical veins carry oxygen-depleted blood from the fetal circulation to the placenta.
- One umbilical vein carries oxygen-rich blood from die placenta to the fetal heart.
- Two umbilical arteries carry oxygen-depleted blood to the fetal lungs.
- None of the above are true.
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Chapter 20 Solutions
Anatomy & Physiology
Ch. 20 - Watch this video...Ch. 20 - Listen to this CDC podcast...Ch. 20 - The endothelium is found in the ________. tunica...Ch. 20 - Nervi vasorum control ________. vasoconstriction...Ch. 20 - Closer to the heart, arteries would be expected to...Ch. 20 - Which of the following best describes veins? thick...Ch. 20 - An especially leaky type of capillary found in the...Ch. 20 - In a blood pressure measurement of 110/70, the...Ch. 20 - A healthy elastic artery ________. is compliant...Ch. 20 - Which of the following statements is true? The...
Ch. 20 - Slight vasodilation in an arteriole prompts a...Ch. 20 - Venoconstriction increases which of the following?...Ch. 20 - Hydrostatic pressure is ________. greater than...Ch. 20 - Net filtration pressure is calculated by ________....Ch. 20 - Which of the following statements is true? In one...Ch. 20 - Clusters of neurons in the medulla oblongata that...Ch. 20 - In the renin-angiotensin-aldosterone mechanism,...Ch. 20 - In the myogenic response, ________. muscle...Ch. 20 - A form of circulatory shock common in young...Ch. 20 - The coronary arteries branch off of the ________....Ch. 20 - Which of the following statements is true? The...Ch. 20 - Arteries serving the stomach, pancreas, and liver...Ch. 20 - The right and left brachiocephalic veins ________....Ch. 20 - The hepatic portal system delivers blood from the...Ch. 20 - Blood islands are ________. clusters of...Ch. 20 - Which of the following statements is true? Two...Ch. 20 - The ductus venosus is a shunt that allows...Ch. 20 - Arterioles are often referred to as resistance...Ch. 20 - Cocaine use causes vasoconstriction. Is this...Ch. 20 - A blood vessel with a few smooth muscle fibers and...Ch. 20 - You measure a patients blood pressure at 130/85....Ch. 20 - An obese patient comes to the clinic complaining...Ch. 20 - A patient arrives at the emergency department with...Ch. 20 - True or false? The plasma proteins suspended in...Ch. 20 - A patient arrives in the emergency department with...Ch. 20 - Nitric oxide is broken down very quickly after its...Ch. 20 - Identify the ventricle of the heart that pumps...Ch. 20 - What organs do the gonadal veins drain?Ch. 20 - What arteries play the leading roles in supplying...Ch. 20 - All tissues, including malignant tumors, need a...Ch. 20 - Explain the location and importance of the ductus...
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- Which of the following statements is false? Please encircle your answer and in each case, explain what is incorrect. When the muscular walls of the blood vessels all over a woman’s body contract, the space inside the vessels becomes larger so her blood pressure falls. Explanation: Hypertension during pregnancy reduces the blood supply from the endometrial arteries in the mother’s uterus to the fetus via the placenta. Explanation: Hypertension reduces the amount of amniotic fluid surrounding the fetus, because the blood flow to the baby’s kidneys is reduced so it makes less urine. Explanation: Fetal growth is not restricted in a pregnant woman with hypertension. Explanation:arrow_forwardanswer the following questions about a fetal echo How much does it cost? Does insurance cover the use of this technology?arrow_forwardBlood islands are ________. clusters of blood-filtering cells in the placenta masses of pluripotent stem cells scattered throughout the fetal hone marrow vascular tubes that give rise to the embryonic tubular heart masses of developing blood vessels and formed elements scattered throughout the embryonic discarrow_forward
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