Template:BGDA Practical 6 - Week 4 Interactive: Difference between revisions

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-Here are a few simple Quiz questions that relate to Week 4 from the lecture and practical.
+Here are a few simple Quiz questions that relate to Week 4 ({{GA}} week 6) from the lecture and practical.
-+++++ Replace template questions below +++++
 <quiz display=shuffle>
-{Which of the following best describes the term "ectomesenchyme":
+{Which of the following sequences of embryonic disc mesoderm is most correct:
 |type="()"}
-- ectoderm derived from mesoderm
+- &nbsp; lateral to medial: extraembryonic - lateral plate - intermediate - paraxial
-- epithelium derived from connective tissue
+|| The {{extra-embryonic mesoderm}} is outside the embryonic disc.
-- sensory placodal induction by mesoderm
+- &nbsp; lateral to medial: lateral plate - paraxial - intermediate - axial
-+ connective tissue derived from neural crest
+|| Intermediate mesoderm is outside the paraxial layer.
-- none of the above is correct
++ &nbsp; medial to lateral: notochord - somites - intermediate - lateral plate
-|| The term "ectomesenchyme" refers to {{neural crest}} ('''ecto'''derm) forming connective tissue structures ('''mesenchyme''') in the head.
+|| Correct. Note - how I always mispronounce "paraxial" as "para-axial", it's a bad habit of mine, the correct pronunciation is "par" then "axial".
+- &nbsp; medial to lateral: paraxial - axial - intermediate - cardiac
+|| Cardiogenic mesoderm is a region of prechordal splanchnic mesoderm.
-{Which of the following best describes the buccopharyngeal membrane structure:
+{Somites form regularly at the level of the body in the direction
 |type="()"}
-- a ventral surface indentation in the early embryo head
++ &nbsp; rostrocaudally
-- endoderm layer of the foregut
+||In the direction from head (rostro) toward tail (caudal). This direction of development is seen in many other structures such as: neural tube neuropore closure (cranial then caudal); intermediate mesoderm (early kidney formation) and limb development (upper then lower limb).
-- ectoderm layer of the epidermis
+- &nbsp; caudorostrally
-+ ectoderm and endoderm
+||Incorrect. The direction from head (rostro) toward tail (caudal) is correct. This direction of development is seen in many other structures such as: neural tube neuropore closure (cranial then caudal); intermediate mesoderm (early kidney formation) and limb development (upper then lower limb).
-- none of the above is correct
-|| The buccopharyngeal membrane ({{oral membrane}}) consists of {{ectoderm}} and {{endoderm}} together. Endoderm layer of the foregut
+{Select the correct options below for the structures formed by sclerotome:
- and ectoderm layer of the epidermis are partially correct. The ventral surface indentation in the early embryo head is the stomedeum, on the floor of which is located the {{buccopharyngeal membrane}}.
+|type="[]"}
++ &nbsp; vertebra
+||Only the vertebral column structures intervertebral disc and {{vertebra}} are formed from {{sclerotome}}.
+- &nbsp; dermis
+|| Dermis and skeletal muscle form from the dermomyotome, dividing into the dermatome (dermis) and myotome (skeletal muscle).
+- &nbsp; limb bud cartilage
++ &nbsp; intervertebral disc
+||Only the vertebral column structures intervertebral disc and {{vertebra}} are formed from {{sclerotome}}.
+- &nbsp; skeletal muscle
+|| Dermis and skeletal muscle form from the dermomyotome, dividing into the dermatome (dermis) and myotome (skeletal muscle).
+{Much of the intra-embryonic coelom (body cavity) is lined by the:
+|type="[]"}
+- &nbsp; paraxial mesoderm
+- &nbsp; hypoblast
+- &nbsp; intermediate mesoderm
+- &nbsp; endoderm
++ &nbsp; lateral plate mesoderm
+||Much of the {{intra-embryonic coelom}} (body cavity) is lined by the lateral plate mesoderm. This cavity divides the lateral plate into the somatic and splanchnic mesoderm.
+{Select the correct options below for maternal dietary components directly important for neural development
+|type="[]"}
+- &nbsp; lead
+||  Lead in a high enough concentration acts as a {{teratogen}}.
++ &nbsp; vitamin B<sub>9</sub>
+||Vitamin B<sub>9</sub> is folic acid or folacin or folate required for cell metabolism and neural tube closure. Iodine is required for thyroid hormone synthesis which is required for normal neural development [http://www.healthinsite.gov.au/topics/Iodine HealthInsite - Iodine].
++ &nbsp; iodine
+|| {{Iodine}} is required for thyroid hormone synthesis which is required for normal neural development [http://www.healthinsite.gov.au/topics/Iodine HealthInsite - Iodine].
+- &nbsp; chlorine
+|| Chlorine is good for the pool or bleaching your clothes.
+- &nbsp; vitamin B<sub>3</sub>
+|| Vitamin B<sub>3</sub> is niacin is a precursor to NADH, NAD+, NADP+ and NADPH play essential metabolic roles in living cells not just neural tissue.
 </quiz>
+<br>
+{{BGDALab7}}
 |}<noinclude>[[Category:BGD]][[Category:Template]][[Category:Quiz]][[Category:Week 4]]</noinclude>

Revision as of 10:54, 15 May 2019

Week 4 Interactive Component

Attempt the Quiz - Week 4

Here are a few simple Quiz questions that relate to Week 4 (GA week 6) from the lecture and practical.

Point added for a correct answer:
Points for an incorrect answer:
Ignore the questions' coefficients:

1 Which of the following sequences of embryonic disc mesoderm is most correct:

	lateral to medial: extraembryonic - lateral plate - intermediate - paraxial
	lateral to medial: lateral plate - paraxial - intermediate - axial
	medial to lateral: notochord - somites - intermediate - lateral plate
	medial to lateral: paraxial - axial - intermediate - cardiac

2 Somites form regularly at the level of the body in the direction

	rostrocaudally
	caudorostrally

3 Select the correct options below for the structures formed by sclerotome:

	vertebra
	dermis
	limb bud cartilage
	intervertebral disc
	skeletal muscle

4 Much of the intra-embryonic coelom (body cavity) is lined by the:

	paraxial mesoderm
	hypoblast
	intermediate mesoderm
	endoderm
	lateral plate mesoderm

5 Select the correct options below for maternal dietary components directly important for neural development

	lead
	vitamin B₉
	iodine
	chlorine
	vitamin B₃