Which explanation correctly describes a negative feedback mechanism for the secretion of a hormone?
a. The effect of the hormone reverses the initial stimulus.
b. The hormone has negative or decreasing effects on its target organ.
c. The effect of the hormone increases the initial stimulus.
d. The hormone stops a particular response by its target organ.
ANS: A
The effects of the hormone often reverse the stimulus and ultimately lead to decreased secretion of the hormone. This is called a negative feedback system; many hormone secretions are regulated this way.
You might also like to view...
The preceptor is reviewing material prior to discussing Spencer and Adams's Models of Transition with a group of new nursing students. In which order should the preceptor introduce this information?
1. The pit 2. Integration 3. Losing focus 4. Testing the limits 5. Letting go of the past 6. Minimizing the impact 7. Searching for meaning
Which of the following complementary and alternative modalities may be considered alternative medical systems? Choose all that apply
1) Acupuncture 2) Prayer 3) Ayurveda 4) Aromatherapy
Patients with osteoarthritis of the hip and knee often have a distinguishable gait described as
A. Ataxic B. Festinating C. Antalgic D. Steppage
The drug specific for severe opioid-induced constipation is
A. Lactulose B. Ducolax C. Mineral oil D. Methylnaltrexone