Subject: Anatomy and Physiology

#225

Blood clotting involves:

A) Negative feedback

B) Positive feedback

C) No feedback

D) Neutral feedback

Answer:   B

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#226

Which hormone triggers milk release during nursing?

A) Insulin

B) Oxytocin

C) Adrenaline

D) Thyroxine

Answer:   B

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#227

What terminates a positive feedback loop?

A) External intervention

B) Completion of the process

C) Receptor fatigue

D) Effector failure

Answer:   B

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#228

In blood glucose regulation, the pancreas acts as:

A) Receptor only

B) Control center and effector

C) Effector only

D) Stimulus

Answer:   B

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#229

Which is a feedforward mechanism?

A) Salivating before eating

B) Sweating during exercise

C) Shivering after cold exposure

D) Insulin release after a meal

Answer:   A

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#230

Vasodilation during heat exposure is a:

A) Positive feedback response

B) Negative feedback response

C) Pathological response

D) Behavioral response

Answer:   B

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#231

Which disorder results from failed homeostasis?

A) Diabetes mellitus

B) Common cold

C) Fractured bone

D) Muscle strain

Answer:   A

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#232

What detects low calcium levels in blood?

A) Parathyroid glands

B) Thyroid gland

C) Kidneys

D) Liver

Answer:   A

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