Subject: Anatomy and Physiology

#241

Which environmental factor disrupts homeostasis?

A) Moderate temperature

B) Extreme cold

C) Clean air

D) Balanced diet

Answer:   B

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#242

Chronic stress affects homeostasis by:

A) Improving immunity

B) Overloading feedback systems

C) Stabilizing blood pressure

D) Reducing heart rate

Answer:   B

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#243

Which toxin disrupts homeostasis?

A) Water

B) Lead

C) Oxygen

D) Glucose

Answer:   B

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#244

Prolonged fasting challenges homeostasis by altering:

A) Blood glucose levels

B) Bone density

C) Muscle strength

D) Hair growth

Answer:   A

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#245

Thermoregulation maintains:

A) Blood pH

B) Body temperature

C) Blood glucose

D) Calcium levels

Answer:   B

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#246

Osmoregulation involves:

A) Regulating water balance

B) Controlling body heat

C) Managing blood sugar

D) Balancing hormones

Answer:   A

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#247

Which system regulates blood pH?

A) Respiratory and urinary

B) Digestive and endocrine

C) Integumentary and lymphatic

D) Muscular and skeletal

Answer:   A

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#248

Calcium homeostasis is managed by:

A) Parathyroid hormone

B) Insulin

C) Adrenaline

D) Thyroxine

Answer:   A

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