When blood glucose levels increase, a hormone called insulin is released from endocrine cells in the pancreas. The role of insulin is to return blood glucose levels to normal. Which part of this negative feedback loop is the stimulus?
A) pancreas B) increasing blood glucose levels
C) blood glucose levels return to normal D) insulin
Answer: B
Anatomy & Physiology
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An increase in signals from the ________ nerve slows the heart rate.
A. sciatic B. vagus C. second thoracic D. phrenic E. mediastinal
Anatomy & Physiology
What is the function of the midbrain of the brainstem?
A. Auditory attentiveness B. Visual attentiveness C. To direct sensory messages to the thalamus D. All of these are functions of the midbrain.
Anatomy & Physiology
These receptors respond to changes in temperature.
A. Thermoreceptors B. Chemoreceptors C. Mechanoreceptors D. Photoreceptors E. Baroreceptors
Anatomy & Physiology
The type of membrane that lines many of the body's joints is a ________ membrane.
A. mucous B. cutaneous C. metastatic D. serous E. synovial
Anatomy & Physiology