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2 years ago

what may an elderly client complain of when experiencing decreased cardiac output and decreased contraction strength?

1 answer:

4 0

A decreased cardiac muscle contraction will result in a reduced cardiac output which means there will be less oxygenated blood that will circulate through the body. This will cause the supply of the energy is limited. When the demand of energy is increased, like when doing exercise or walking upstairs, the energy might be not enough. This can cause the elder to feel easily fatigue. Chest pain is also common as the heart could also not getting enough blood.

Decreased cardiac output also can cause lower blood pressure, make the elder be at risk of postural hypotension. The symptoms would be feeling dizzy if going stand right after wake up. Don't go stand after wake up. Try to sit down a moment instead so the blood pressure will not decrease too much.

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2 years ago

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Answer:

The P generation has straight wings and curly wings.

The F1 generation has all straight wings.

The F2 generation has straight wings and curly wings.

Explanation:

This question involves a single gene coding for wing shape in fruit flies. The allele for straight wings (S) is dominant over the allele for curly wings (s). This means that allele "S" will mask the phenotypic expression of allele "s" in a heterozygous state.

According to the question, the cross follows all Mendel's method of crossing two true breeding parents with opposite traits. Hence, the parent generation (P generation) will be between a truebreeding straight wings parent (SS) and a truebreeding curly wings parent (ss). (See attached image for full cross).

Since the straight wing allele (S) is dominant, all the F1 offsprings will possess straight wings with the genotype: Ss, which is heterozygous.

If this F1 offsprings are self-crossed i.e. Ss × Ss, four possible offsprings in the phenotypic ratio 3 straight wings : 1 curly wing will be produced in the F2 generation. The offsprings will possess the following genotypes: SS, Ss, Ss, and ss.

Offsprings SS, Ss, and Ss will all be phenotypically straight-winged

Offsprings ss will be phenotypically curly-winged.

In overall, this means that P generation has both straight and curly wings (SS and ss), F1 generation has only straight wings (Ss), F2 generation has both straight and curly wings (SS, Ss and ss).

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2 years ago

​what may an elderly client complain of when experiencing decreased cardiac output and decreased contraction strength?

what may an elderly client complain of when experiencing decreased cardiac output and decreased contraction strength?