Nutrition: Concepts and Controversies
14th Edition
ISBN: 9781305886865
Author: Sizer, Frances , WHITNEY, Ellie
Publisher: Cengage Learning
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Chapter 13, Problem 13SC
Summary Introduction
Concept Introduction:
Lactating women who smoke tobacco, put the lives and health of their babies at high risk. Smoking causes adverse changes in the composition of the milk which not only hampers the protective properties but it also affects the infant’s health.
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Chapter 13 Solutions
Nutrition: Concepts and Controversies
Ch. 13 - Prob. 1RQCh. 13 - Prob. 2RQCh. 13 - Prob. 3RQCh. 13 - Prob. 1CTCh. 13 - Prob. 2CTCh. 13 - Prob. 1SCCh. 13 - Prob. 2SCCh. 13 - A deficiency of which nutrient during pregnancy...Ch. 13 - Prob. 4SCCh. 13 - Which of the following preventative measures...
Ch. 13 - Prob. 6SCCh. 13 - Prob. 7SCCh. 13 - Prob. 8SCCh. 13 - Without proper management, type 1 or type 2...Ch. 13 - Prob. 10SCCh. 13 - Prob. 11SCCh. 13 - Prob. 12SCCh. 13 - Prob. 13SCCh. 13 - Prob. 14SCCh. 13 - Prob. 15SCCh. 13 - Prob. 16SCCh. 13 - Prob. 17SCCh. 13 - Prob. 18SCCh. 13 - Prob. 19SCCh. 13 - Prob. 20SC
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- A woman is in labor. The size of the fetus combined with the contractions of the uterine muscular layer stretches the uterine wall, stimulating stretch receptors in the cervix. Signals from these receptors are conducted through nerves to the hypothalamus/posterior pituitary. The hypothalamus/posterior pituitary releases oxytocin. The oxytocin travels through the blood and stimulates the smooth muscle layer of the uterus. Oxytocin has two effects on the uterine smooth muscle: It directly stimulates the smooth muscle to contract more frequently and more It causes the uterine wall to release prostaglandins, which increase the frequency and force of These effects push the fetus more forcefully into the cervix, stimulating the stretch receptors further. The receptors send additional impulses to the hypothalamus/posterior pituitary. The increased activation of the hypothalamus/posterior pituitary stimulates release of additional oxytocin, which further stimulates the uterus. This cycle of…arrow_forwardA woman is in labor. The size of the fetus combined with the contractions of the uterine muscular layer stretches the uterine wall, stimulating stretch receptors in the cervix. Signals from these receptors are conducted through nerves to the hypothalamus/posterior pituitary. The hypothalamus/posterior pituitary releases oxytocin. The oxytocin travels through the blood and stimulates the smooth muscle layer of the uterus. Oxytocin has two effects on the uterine smooth muscle:1. Itdirectlystimulatesthesmoothmuscletocontractmorefrequentlyandmoreforcefully.2. Itcausestheuterinewalltoreleaseprostaglandins,whichincreasethefrequencyandforceofthe contractions even more.These effects push the fetus more forcefully into the cervix, stimulating the stretch receptors further. The receptors send additional impulses to the hypothalamus/posterior pituitary. The increased activation of the hypothalamus/posterior pituitary stimulates release of additional oxytocin, which further stimulates the uterus.…arrow_forwardEma, aged one year, and her mother Ogwa recently moved to Canterbury from Nigeria. On 2 January, Ogwa brought Ema to A&E, concerned about Ema’s severely swollen hands and feet and persistent extreme irritability. Ogwa is generally fit and well. Until now, Ema has had no medical issues. Ema’s father is also well and healthy with no known medical issues. (He remains in Nigeria temporarily due to the nature of his work and plans to join his wife and daughter in Canterbury soon.) No one in the family has participated in any disease screening programmes. Your lab is to undertake a full blood count, blood films and Hb electrophoresis for both the mother and daughter. Unfortunately, the sample of blood to be used to make Ema’s blood films was lost when it was accidentally dropped by the courier upon delivery to your lab. As blood samples were also sent for further tests to a hospital in London, the lab there has kindly agreed to use an aliquot of the blood sample to make and analyse the…arrow_forward
- A 50 year old male is experiencing fatigue, dizziness, and headaches with a rapid decline in his visual acuity. He treats his hypertension and type 2 diabetes with medications. His brow and jaw are enlarged (proganthism), his hands and feet and fingers are wide. His wedding ring no longer fits on his finger. He is obese and has a deep voice. -His lab tests show high blood glucose, high GH, high IGF1, normal prolactin, and low testosterone.There was a pituitary mass seen on his CT scan. What is the diagnosis that best matches this patients conditions? a.) gigantism b.) crushing's c.) acromegaly d.) hypopituitarismarrow_forwardA 50 year old male is experiencing fatigue, dizziness, and headaches with a rapid decline in his visual acuity. He treats his hypertension and type 2 diabetes with medications. His brow and jaw are enlarged (proganthism), his hands and feet and fingers are wide. His wedding ring no longer fits on his finger. He is obese and has a deep voice. -His lab tests show high blood glucose, high GH, high IGF1, normal prolactin, and low testosterone.There was a pituitary mass seen on his CT scan. A CT scan in both the 50 year old man and a 14 year old girl show a pituitary mass. Why are their symptoms not similar? a.) One is producing GH, the other isnt b.) They are the same c.) They are of different ages d.) They are of different gendersarrow_forwardA 50 year old male is experiencing fatigue, dizziness, and headaches with a rapid decline in his visual acuity. He treats his hypertension and type 2 diabetes with medications. His brow and jaw are enlarged (proganthism), his hands and feet and fingers are wide. His wedding ring no longer fits on his finger. He is obese and has a deep voice. -His lab tests show high blood glucose, high GH, high IGF1, normal prolactin, and low testosterone.There was a pituitary mass seen on his CT scan. What accounts for the patients proganthism? a.) High growth hormone levels after epiphyseal plate closure cause thickening of bone structure b.) low testosterone leads to increased bone growth and density c.) normal bone growth with aging d.) Low IGF=-1 stimulates bone growtharrow_forward
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