ANAT2341 Fertilization Quiz: Difference between revisions

@@ Line 32: / Line 32: @@
 + all of the above
 ||Yes, the [[Z#zona pellucida|zona pellucida]] has many different functions at different times of oocyte development, fertilization and in the first week of development.
-{Pregnancy tests generally are based upon the detection in maternal urine of:
-|type="()"}
-- Estrogen
-- Progesterone
-- human Chorionic Somatommotropin
-+ human Chorionic Gonadotrophin
-- human Chorionic Corticotropin
-||Estrogen  and Progesterone are made in the ovary and support the endometrium. human Chorionic Somatommotropin (or placental lactogen, stimulate maternal mammary development) and human Chorionic Corticotropin are both made by the placenta later in development.
-{The most correct sequence of early development following fertilization is:
-|type="()"}
-+ zygote, blastomeres, morula, blastocyst
-- oocyte, zygote, morula, blastocyst
-- zygote, conceptus, blastocyst
-- polar bodies, zygote, conceptus, blastocyst
-||The '''oocyte''' is present before fertilization, the '''conceptus''' refers to all the products of fertilization and is not a developmental stage, '''polar bodies''' are small exclusion bodies enclosing the excess DNA from oocyte meiosis. I did not discuss in detail '''blastomeres'''  a term often used to describe the first cells formed from zygote mitosis.
-{Which process in the third week of development converts the embryonic disc into the trilaminar embryo.
-|type="()"}
-- placentation
-+ gastrulation
-- neuralation
-- somitogenesis
-- embryonic disc folding
-||Gastrulation, meaning gut formation, converts the early embryonic disc into the trilaminar or 3 germ layer embryo (ectoderm, mesoderm, endoderm).

Revision as of 16:13, 4 August 2014

Here are a few simple questions that relate to your fertilisation lecture and practical, this page is not assessable.

You should try in your own time after completing the Practical today.

Take the Quiz

1 Which of the following statements is most correct about the human menstrual cycle.

	The menstrual cycle in all women is a 28 day reproductive cycle
	Ovulation always occurs at the midpoint of the menstrual cycle
	The menstrual cycle's main function is to regularly replace the lining of the uterus
	A high body temperature indicates ovulation is occurring
	The menstrual cycle is an endocrine cycle regulating reproductive physiological changes

2 Most pregnancies can be detected by pregnancy tests soon after fertilization.

	true
	false

3 Which of the following statements is correct about the zona pellucida:

	surrounds the oocyte in the ovary
	protects oocyte in the uterine tube
	is a specialized extracellular matrix
	is important for fertilization
	all of the above

4 Which of the following statements about Figure 1 (shown below) is most correct:

	figure 1 shows a normal female karyotype
	figure 1 shows all human chromosomes
	figure 1 shows a metaphase spread of a human genome
	figure 1 shows an abnormality of mitosis

Figure 1

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Cite this page: Hill, M.A. (2026, November 1) Embryology ANAT2341 Fertilization Quiz. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/ANAT2341_Fertilization_Quiz

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