Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Textbook Question
Chapter 21, Problem 10TY
Which of the following would be detrimental to the health of a neonate?
a. the ductus arteriosus stays open
b. the foramen ovale closes
c. the ductus venosus closes
d. both (a) and (b)
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In the fetal circulation, once blood enters the right atrium, most of the blood enters the left atrium by passing through the A. Ductus arteriosus B. Ductus venosus C. Pulmonary arteries D. Foramen ovale
Which of the following statements is true?
a. Two umbilical veins carry oxygen-depleted blood from the fetal circulation to the placenta.
b. One umbilical vein carries oxygen-rich blood from the placenta to the fetal heart.
c. Two umbilical arteries carry oxygen-depleted blood to the fetal lungs.
d. None of the above are true.
Which of the following would be an ABNORMAL finding when the nurse midwife assesses a newborn's cardiovascular system?
a.Acrocyanosis of the extremities
b.Heart rate of 154
c. Circumoral cyanosis
d. Irregular heartbeats
Chapter 21 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 21 - Prob. 1QCCh. 21 - Prob. 2QCCh. 21 -
1. Why does only one sperm fertilize the egg, and...Ch. 21 - Prob. 2CRCh. 21 - Prob. 3CRCh. 21 - Describe the stages of labor and delivery.Ch. 21 - What causes the newborn to take its first breath...Ch. 21 - Prob. 6CRCh. 21 - What causes the onset of puberty (sexual...Ch. 21 - Summarize the three main hypotheses of the causes...
Ch. 21 - Prob. 9CRCh. 21 - Prob. 10CRCh. 21 - Which of the following lists the correct order of...Ch. 21 - Which of the following will result in fraternal...Ch. 21 -
3. Which of the following processes is the first...Ch. 21 - Prob. 4TYCh. 21 - Prob. 5TYCh. 21 - Prob. 6TYCh. 21 -
7. Which of the following is mismatched?
a....Ch. 21 - Prob. 8TYCh. 21 - Prob. 9TYCh. 21 -
10. Which of the following would be detrimental...Ch. 21 - Prob. 11TYCh. 21 - Prob. 12TYCh. 21 - Prob. 13TYCh. 21 - Prob. 14TYCh. 21 - Which hormone plays a critical role both in...Ch. 21 - Prob. 1AWKCh. 21 - Prob. 2AWKCh. 21 - Prob. 3AWKCh. 21 - Each year, it is estimated that over 40,000...Ch. 21 - Prob. 5AWKCh. 21 - Prob. 6AWKCh. 21 - How is it possible that one's life could be...
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- What do the ductus arteriosus and the foramen ovale become at birth? A. ligamentum arteriosum; ligamentum teres B. ligamentum arteriosum; fossa ovalis C. ligamentum teres; fossa ovalis D. fossa ovalis; ligamentum arteriosumarrow_forwardThe foramen ovale causes the fetal circulatory system to bypass the ________. a. liver b. lungs c. kidneys d. gonadsarrow_forwardTo ensure that the baby will breathe as soon as the head is delivered, the nurse's priority action is to * A. Slap the baby's buttocks to make the baby cry. B.Suction the nose and mouth to remove mucous secretions. C. Clamp the cord about 6 inches from the base. D.Check the baby's color to make sure it is not cyanoticarrow_forward
- During the first 48-72 hours after birth, the breasts produce ________, a substance rich in protein and immunoglobulins which helps the baby adjust to a non-sterile environment. Group of answer choices a.endolymph b.colostrum c.meconium d.amniotic fluidarrow_forwardIdentify a characteristic of a fetus in the sixth month of gestation. a. It weighs between 5 and 7 pounds. b. It can open and close its eyes and look in all directions. c. It has fully developed reflex patterns. d. It has a respiratory system that is adequate to survive outside the womb.arrow_forwardWhich fetal structure shunts blood from the right atrium to the left atrium? A. ductus arteriosis B. foramen ovale C. ductus venosusarrow_forward
- Which of the following condition will lead to a small- for -gestational -age fetus due to less blood supply to the fetus? * O A. Diabetes in the mother. B. Maternal cardiac condition. O C. Premature labor. D. Abruptio placenta.arrow_forwardIn the placenta, maternal blood is continuously pumped through the A. Umbilical arteries B. Chorionic villi C. Fetal vessels D. Intervillous spacearrow_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
- 1. A placenta vera is formed if a.The placenta is removed during birth. b. The maternal blood bathes the chorionic villi. c. The epithelium of the decidua is not penetrated by the chorion. d. The binucleated chorionic cells penetrate the decidual epithelium. 2. Which of the following does NOT occur during decidualization? a. endometrial capillaries dilate and form sinusoids b. syncytiotrophoblast extend further and form chorionic villi c. endometrial stromal cells accumulate glycogen and lipids d. syncytiotrophoblast is eroded and lacunae are filled with maternal blood 3. Which of the following reasons justifies the midblastula transition? a. The yolk at the vegetal pole slows down the cleavage divisions. b. The embryo has already completed the requirements for initial cleavage. c. The embryo needs to replenish transcripts after using its maternal reserves. d. The embryo needs to replenish its energy after several rounds of fast…arrow_forwardMost newborns void in the first 24 hours after birth. The nurse interprets that which of the following has caused a reddish stain, sometimes called "red brick dust" after noting this on the newborn's diaper? a. Excess iron in the urine b. Bilirubin in the urine c. Uric acid crystals in the urine d. Mucus and urate in the urinearrow_forwardWhich secretory unit of the lobule in the female breast produces milk a. Nipple b. Areola C. Lactiferous sinus d. Alveoliarrow_forward
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