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3 years ago

Just a few hours after the birth of a baby, the mammary glands start producing milk. Which hormone stimulates this event?

Biology

2 answers:

Oliga [24]3 years ago

8 0

The Hormone that stimulates this event is A). Prolactin.

marissa [1.9K]3 years ago

6 0

Answer:

A) Prolactin

Explanation:

It is prolactin (PRL) hormone which is responsible for milk production from the mammary glands of females just after they have given birth. Prolactin hormone is a peptide hormone which is secreted from the anterior lobe of pituitary gland situated just below our brain. The secretion of prolactin hormone is strictly under the control of endocrine neurons present in hypothalamus. Apart from milk production, prolactin plays important role in metabolism. It also regulates immune system & causes pancreatic development.

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Which action would the nurse taken when the patient who is nothing by mouth(npo)(no food or fluids allowed) develops an adverse?

xenn [34]

When the patient who is nothing by mouth (NPO) (no food or fluids allowed) develops an adverse reaction to a new intravenous (IV) drug, then the nurse will take action like recording the reaction, stopping the further administration of the drug and notify the health care provider.

Nothing by mouth (NPO) is a period of time in which the patient is advised not to eat or drink anything. Doctors suggest avoiding eating food or drinking water during the medical or surgical procedure to ensure the correct report or successful operation of the patient.

NPO is a common practice, and it instructs that patients should not take solid and liquid before receiving general anaesthesia.

Learn more about the NPO here

brainly.com/question/20462979

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5 0

1 year ago

the couple is also concerned about their child inheriting hemophilia, another rare disease, which is x-linked. natalie’s brother

IgorC [24]

Hemophilia is a recessive X-linked condition and is inherited from parents. . The probability that Natalie and Daniel’s first child has hemophilia is 1/4, not 1/8. The statement is false.

<h3>What is an X-linked gene?</h3>

When talking about sex-linked genes, we refer to all those genes located in one of the sex-chromosomes and not in the somatic ones.

X-linked genes are the genes located specifically in the X sex chromosome.

Traits coded by these genes are inherited. This is, X-linked genes are transmitted from parents to children through generations.

According to this, X-linked genetic disorders will be inherited as well.

Men have a high probability of being affected since they only have one copy of the X chromosome.

In women, the effect of the mutation might be musk in heterozygous state if the mutation is recessive.

Hemophilia is a recessive X-linked disorder, which means it is coded by the recessive allele.

X+ ⇒ X chrosomosome with Dominant allele

X- ⇒ X chrosomosome with Recessive allele

Genotype Phenotype

X+X+ Healthy woman

X+X- Healthy carrier woman

X-X- Hemophilic woman

X+Y Healthy man

X-Y Hemophilic man

Let us make a pedigree of these families,

Natalie's family:

Mother healthy carrier X+X-

Father healthy X+Y

Brother hemophilic X-Y

Natalie Healthy X+X- or X+X+

Natalie has 1/2 chances of being carrier X+X- and 1/2 of being X+X+.

Daniel's family:

Mother healthy carrier X+X-

Father hemophilic X-Y

Sister hemophilic X-X-

Daniel Healthy X+Y

He has 1/2 chances of being healthy X+Y and 1/2 of being affected X-Y.

According to the product probability rule, if events A and B are independent from each other, the probability of occurrence of both events together is

P(A∩B) = P(A) x P(B)

In this case,