LIFE CYCLE

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Question 1 of 1

Time Left

207192

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Best answer to describe the requirements to progress from G1 to S phase?

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Explanation

you need mRNA AND protein synthesis to progress to S phase

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Which complex drives the cell cycle from G2 to M phase

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Cyclin A peaks during....

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The cyclin E/CDK2 complex is inhibited by___

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Explanation

- INK4 Family – p15,16,18,19 – inhibit CDK4 - CIP/KIP Family – p21,27,57 – INHIBIT CDK6 and CDK2 and CDK1

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What is highlighted in orange in this graph?

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Explanation

The selection shadow is a concept involved with the evolutionary theories of ageing that states that selection pressures on an individual decrease as an individual ages and passes sexual maturity, resulting in a "shadow" of time where selective fitness is

196222

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Which of the following is NOT thought to influence ageing and longevity?

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196228

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Which THEORY can be used to explain AGEING?

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197230

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Which of the following is true in relation to LUNG AGEING

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Explanation

reduced elastic recoil, increase in chest wall stiffness, reduced respiratory muscle strength, reduced pulmonary capillary volume, reduced distensibility of pulmonary arteries, reduced lung surface, reduced responsiveness to hypoxia and hypercapnia, reduc

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What is CURB 65

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Explanation

Estimates mortality of community-acquired pneumonia to help determine inpatient vs. outpatient treatment. Confusion of new onset (defined as an AMTS of 8 or less) Blood Urea nitrogen greater than 7 mmol/l (19 mg/dL) Respiratory rate of 30 breaths per minu

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Why does blood pressure generally increase with age?

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Explanation

Blood pressure (mainly systolic blood) increases with age Larger, elastic artery walls become thicker and stiffer with increasing age

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Which is FALSE about CARDIAC FUNCTION changes with ageing?

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Explanation

Ejection fraction doesnt change at rest - EF: amount of blood squeezed out with each heart beat doesn’t change at rest but the aged heart is less good at upping its game to times when it needs to e.g stress, exercise, in response to illness. contractility

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What is CAROTID SINUS SYNDROME?

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Explanation

exaggerated response to stimulated carotid baroreceptors - History of falls / blackouts after head turning or in men shaving

197254

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Which is FALSE about the GI system in ageing?

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Explanation

also - ↓ calorific needs Malnutrition and vitamin deficiencies common But usually due to insufficient intake rather than poor absorption

197260

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Which is TRUE about the ENDOCRINE system in ageing?

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Explanation

osmoregulation- feeling thirsty later, ADH responds less well, risk of dehydration seen in clinical practice

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Which 6 are TRUE when looking at DRUG HANDLING with age?

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Explanation

More drug gets into the system, gets into places it shouldn’t and hangs around longer. the most important age related change is the increase in body fat and relative reduction in body water. Reduction in initial dose may be necessary if drugs are mainly d

LIFE CYCLE

Question 1 of 1

Time Left

Best answer to describe the requirements to progress from G1 to S phase?

Select the correct answer(s).

(0/0)

Explanation

Which complex drives the cell cycle from G2 to M phase

Select the correct answer(s).

(0/0)

Cyclin A peaks during....

Select the correct answer(s).

(0/0)

The cyclin E/CDK2 complex is inhibited by___

Select the correct answer(s).

(0/0)

Explanation

What is highlighted in orange in this graph?

Select the correct answer(s).

(0/0)

Explanation

Which of the following is NOT thought to influence ageing and longevity?

Select the correct answer(s).

(0/0)

Which THEORY can be used to explain AGEING?

Select the correct answer(s).

(0/0)

Which of the following is true in relation to LUNG AGEING

Select the correct answer(s).

(0/0)

Explanation

What is CURB 65

Select the correct answer(s).

(0/0)

Explanation

Why does blood pressure generally increase with age?

Select the correct answer(s).

(0/0)

Explanation

Which is FALSE about CARDIAC FUNCTION changes with ageing?

Select the correct answer(s).

(0/0)

Explanation

What is CAROTID SINUS SYNDROME?

Select the correct answer(s).

(0/0)

Explanation

Which is FALSE about the GI system in ageing?

Select the correct answer(s).

(0/0)

Explanation

Which is TRUE about the ENDOCRINE system in ageing?

Select the correct answer(s).

(0/0)

Explanation

Which 6 are TRUE when looking at DRUG HANDLING with age?

Select the correct answer(s).

(0/0)

Explanation

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