21) Which of the following results from endodermal contributions? A) all : 1200424

21) Which of the following results from endodermal contributions?
A) all : 1200424.


21) Which of the following results from endodermal contributions?

A) all cardiovascular components

B) brain and spinal cord

C) dermis and hypodermis

D) stem cells that produce gametes

E) nephrons

22) Which process, one that occurs during the first trimester, is characterized by the zygote becoming a “pre-embryo”?

A) placentation

B) embryogenesis

C) implantation

D) fertilization

E) cleavage

23) Which process begins as the surface of the blastocyst next to the inner cell mass adheres to the uterine lining?

A) oocyte activation

B) placentation

C) embryogenesis

D) implantation

E) blastocyst formation

24) During implantation,

A) the syncytial trophoblast erodes a path through the uterine epithelium.

B) the inner cell mass begins to form the placenta.

C) maternal blood vessels in the endometrium are walled off from the blastocyst.

D) the entire trophoblast becomes syncytial.

E) the inner cell mass is temporarily deprived of nutrients.

25) Separation of the inner cell mass from the trophoblast forms the

A) blastocoele.

B) lacunae.

C) amniotic cavity.

D) chorion.

E) allantois.

26) Which extraembryonic structure is created as migrating mesodermal cells form a layer beneath the trophoblast, separating it from the blastocoele?

A) amnion

B) placenta

C) allantois

D) yolk sac

E) chorion

27) Which of the following is a hormone secreted by both the placenta and the corpus luteum during pregnancy, and functions in suppressing the release of oxytocin?

A) progesterone

B) human chorionic gonadotropin

C) relaxin

D) placental prolactin

E) estrogen

28) The chorionic villi

A) form the yolk stalk.

B) are present in the umbilical stalk.

C) form the umbilical artery.

D) provide the surface area for gaseous exchange between fetal and maternal bloodstreams.

E) are present in the umbilical vein.

29) The presence of ________ in blood or urine is a reliable indication of pregnancy.

A) estrogen

B) progesterone

C) human placental lactogen

D) human chorionic gonadotropin

E) relaxin

30) By week three of development, the mesoderm extends along trophoblast structures, forming the ________.

A) yolk sac

B) chorionic villi

C) placenta

D) endometrium

E) allantois



21) Which of the following results from endodermal contributions?
A) all : 1200424

Get a Quick Quote

Approximately 250 words
Total price (USD) $: 10.99

Let us do the hard and easy stuff in nursing for you

Find an experts in Nursing Papers and kickstart your grades today with NursingPapersLib.com

Best nursing assignment writers

It is easy to promise the availability of help with nursing assignments but without the best nursing assignment writers in the industry, such promises can turn out to be hot air. Our expert nursing writing services feature seasoned professionals who have been providing nursing writing help and consultation services for a long time. Irrespective of the year of study or practice students are involved in, the best nursing assignment writers know the nuances of nursing student’s needs. There is no better way to assure you of the best nursing writing services than providing nursing writing help from peers who are ahead of you and have only the best interests at heart. Only the best nursing assignment writers will handle your request for the best nursing writing service because your communication can get through to them. Knowing the potential nursing writing help that you seek from the way you frame your request is the hallmark of a writer who provides expert nursing writing services. This is because, with their knowledge, there is likely less room for misunderstood requests when you are seeking the best nursing writing service you need.

How it Works

Place an Order

Provide your contact information, select an order type, and describe your requirements. This isn’t going to take long!

Image showing step 1 of making an order
Image showing how to make payment for your order

Select an Appropriate Writer

We’ll match your specifications with our available authors after we have all of the relevant information concerning your order.

Image showing how to download your completed results

Enjoy the End Product

One of our specialists will fulfill your purchase according to your specifications so that you are happy with the end result.

Why Choose us?

Free Revisions

We understand that not always out tutors could catch all details required which arises a s a result of miscommunication or inadequate information provided. However, we are always eager to provide you with free revisions till we get it right with your Nursing Papers.

Quality Non-plagiarized Nursing Papers

Our Professional Team of Nursing Writers always adhere to quality standards and plagiarism policy. Furthermore, we employ Quality Control Tools to ensure you get Custom Written Nursing Paper. Every paper is reviewed by an independent editor for syntax errors before submission

Professional Nursing Writers

At NursingPapersLib.com, we specialize in Nursing Homework Help Services only. Thus, this allows us to cater to our nursing students and get high qualified nursing tutors who will deliver exceptional results in nursing papers

Flexible Pricing

We always endear to provide best prices that matches our quality and your budget. This is why we provide a pricing mechanism based off several factors such as length, level of education and type of assignment. our pricing are highly competitive across the industry standard prices.