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4 years ago

The primitive streak appears during

Medicine

1 answer:

solniwko [45]4 years ago

5 0

Answer:

Gastrulation.

Explanation:

The embryonic development occurs through the different developmental stages like cleavage, morula, blastula and so on. The formation of the germ layers occur in the gastrulation period.

The primitive streak is the structure that develops during the early stages of the gastrulation. As the embryo becomes asymmetric., the cells moves from their initial position and leads to the formation of primitive streak in the gastrulation phase.

Thus, the correct answer is option (C).

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An Rh-negative mother had an anti-Rh response following the birth of her Rh-positive child. The second fetus was also Rh+ so the

Arisa [49]

Answer:

The isotype of these antibodies is igG

Explanation:

Anti-Rh response are employed by medical practitioners to define the Rh antigenic profile of human blood samples.

Fetal red blood cells are necessary for increasing the production of antibodies against Rh- antigens in Rh- women who are carrying a Rh+ fetus. The isotopes of the required antibodies is IgG.

The igG antibodies have high level of affinity and are present in blood, where they can make toxins, viruses, and bacteria ineffective, and activate the complement system.

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3 years ago

phytochemicals may be guardians of our health, with the safety of consuming concentrated extracts that provide protective benefi

Anna71 [15]

The statement 'phytochemicals may be guardians of our health, with concentrated extracts that provide protective benefits superior to whole foods' is False.

<h3>What are phytochemicals?</h3>

Phytochemicals are specific chemical substances extracted form plants that may confer curative properties to different types of diseases and conditions.

In conclusion, the statement 'phytochemicals may be guardians of our health, with concentrated extracts that provide protective benefits superior to whole foods' is False.

Complete question:

Phytochemicals may be guardians of our health, with the safety of consuming concentrated extracts that provide protective benefits superior to whole foods. True or False

Learn more about phytochemicals here:

brainly.com/question/14834940

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5 0

1 year ago

A narcotic analgesic tablet contains 5 mg of hydrocodone bitartrate and 500 mg of aspirin. How many grams of each ingredient nee

puteri [66]

Answer:

500 mg hydrocodone

5000 mg aspirin

Explanation:

1 tablet -> 5 mg hydrocodone

100 tablets ->x

x=(100 tablets * 5 mg hydrocodone)/1 tablet x=500 mg hydrocodone

1 tablet ->500 mg aspirin

100 tablets ->x

x=(100 tablets*500 mg aspirin)/1 tablet x=5000 mg aspirin

8 0

4 years ago

Which of the following is an accurate statement regarding regulation of pituitary hormone secretion by the hypothalamus?

True [87]

Answer:

The correct answer is option - A.

Explanation:

Hormones their target sites are other endocrine glands and act on these endocrine glands, known as tropic hormones. The pituitary gland is one of the gland that acts as a gland that releases tropic hormones and also regulated by the other tropic hormones released by the hypothalamus.

The hypothalamus releases several tropic hormones that inhibit and promoting hormones that regulate the pituitary glands.

Thus, the correct answer is option - A.

6 0

3 years ago

The term meaning an absence of spontaneous respiration is.

Sindrei [870]

Answer:

apnea

Explanation:

The absence of breathing (respiration)

6 0

2 years ago