BIOLOGY W/CONNECT >IP<
11th Edition
ISBN: 9781259910487
Author: Raven
Publisher: MCG CUSTOM
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Textbook Question
Chapter 53, Problem 5A
Drug or alcohol exposure during which of the following stages is most likely to have a profound effect on the neural development of the fetus?
a. Preimplantation
b. First trimester
c. Second trimester
d. Third trimester
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Chapter 53 Solutions
BIOLOGY W/CONNECT >IP<
Ch. 53 - Prob. 1UCh. 53 - Which of the following plays the greatest role in...Ch. 53 - Gastrulation is a critical event during...Ch. 53 - Gastrulation in a mammal would be most similar to...Ch. 53 - Of the following processes, which occurs last? a....Ch. 53 - Which of the following would qualify as a...Ch. 53 - Prob. 1ACh. 53 - In the Spemann experiment, when the dorsal lip is...Ch. 53 - Suppose that a burst of electromagnetic radiation...Ch. 53 - Prob. 4A
Ch. 53 - Drug or alcohol exposure during which of the...Ch. 53 - Axis formation in amniotic embryos could be...Ch. 53 - Prob. 1SCh. 53 - You look up from your studying to see your dog,...Ch. 53 - Why doesnt a woman menstruate while she is...Ch. 53 - Spemann and Mangold were able to demonstrate that...
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- Which female organ has an endometrial lining that will support a developing baby? a. labia minora b. breast c. ovaries d. uterusarrow_forwardThe birth starts thanks to increased ... a) ... stretching of the uterine muscles. b) ... release of oxytocin. c) ... release of glucocorticoids from the fetus. d) ... release of estrogen from the placenta.arrow_forwardWhich of the following statements is NOT correct about the umbilical cord? Select one: a. The umbilical cord is formed from the chorion. b. The placenta connects to the embryon via the umbilical cord. c. The umbilical cord consists of two arteries and one vein. d. The umbilical cord is formed from the yolk sac and the allantois.arrow_forward
- Identify 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 row correctly identifies the function and a source of hCG, respectively? Select one: A. Function Source Stimulate Estrogen Ovary B. Function Source Stimulate FSH Anterior Pituitary C. Function Source Aid Implantation Uterus D. Function Source Maintains Corpus Luteum Trophoblast and Placentaarrow_forwardWhich of the following statements is NOT correct about the umbilical cord? a. The umbilical cord is formed from the yolk sac and the allantois. b. The umbilical cord is formed from the chorion. c. The umbilical cord consists of two arteries and one vein. d. The placenta connects to the embryon via the umbilical cord.arrow_forward
- Which of the following structure develops into only the fetus? A. Blastocyte B. Zygote C. Trophoblast D. Inner cell massarrow_forwardHow does folate deficiency affect fetal development? A. It does not affect fetal development B. It increases the health of the fetus C. It can cause birth defects D. It helps the fetus to develop fasterarrow_forwardWhat do the inner and outer surfaces of the placenta consist of? a) amniotic tissue and corpus luteum b) chorion and uterine tissue c) amniotic tissue and blastocyst d) corpus luteum and chorionarrow_forward
- Which of the following is required for successful fetal development after the egg has been fertilized? a) That the corpus luteum remains throughout the pregnancy b) Production of estrogen (estradiol) and progesterone from the placenta c) Release of hCG (human chorionic gonatotropin) from the placentaarrow_forwardThe procedure in which sound waves are converted to images of the fetus is called........... a) Chorionic villus sampling b) Amniocentesis c) Ultrasound d) DNA analysisarrow_forwardWhich of the following statements is incorrect?a. The placenta secretes hormones such as progesterone, hCG, and estrogen.b. Embryonic tissue and maternal tissue forms the placenta.c. The chorion supplies nutrients to the embryo by diffusion.d. The umbilical cord is formed by one artery and two veinsarrow_forward
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