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Questions and Answers
Which type of hormones stay in circulation longer by binding to transport proteins?
Which type of hormones stay in circulation longer by binding to transport proteins?
- Eicosanoids
- Peptide hormones
- Steroid hormones (correct)
- Acids
What is the primary method of action for all the hormones secreted by the anterior lobe of the pituitary gland?
What is the primary method of action for all the hormones secreted by the anterior lobe of the pituitary gland?
- Direct absorption by target cells
- Binding to cell surface receptors
- Utilizing the cAMP second messenger mechanism (correct)
- Diffusion to target cells
How are steroid hormones primarily broken down in the body?
How are steroid hormones primarily broken down in the body?
- Binding to transport proteins
- Diffusion to target cells
- Absorption and breakdown in liver and kidney (correct)
- Broken down by enzymes in plasma or interstitial fluid
What is the main difference between peptide hormones and steroid hormones in terms of their structure?
What is the main difference between peptide hormones and steroid hormones in terms of their structure?
Which stimuli lead to changes in circulating hormone levels involving 2 or more hormones?
Which stimuli lead to changes in circulating hormone levels involving 2 or more hormones?
What is the primary method through which neural stimulation reaches a neuroglandular junction?
What is the primary method through which neural stimulation reaches a neuroglandular junction?
Where are receptor proteins for lipid-soluble hormones like steroid hormones located?
Where are receptor proteins for lipid-soluble hormones like steroid hormones located?
Which of the following is NOT a group of hormones based on their chemical structure?
Which of the following is NOT a group of hormones based on their chemical structure?
What is the function of prostaglandins which belong to the group of eicosanoids?
What is the function of prostaglandins which belong to the group of eicosanoids?
How do plasma membrane receptors function for non-lipid soluble hormones?
How do plasma membrane receptors function for non-lipid soluble hormones?
What is responsible for inactivating cyclic AMP (cAMP) to AMP in the cell?
What is responsible for inactivating cyclic AMP (cAMP) to AMP in the cell?
Which type of hormones consist of chains of amino acids and form the largest class of hormones?
Which type of hormones consist of chains of amino acids and form the largest class of hormones?
Where are intracellular receptors for lipid-soluble hormones like thyroid hormones located?
Where are intracellular receptors for lipid-soluble hormones like thyroid hormones located?
Which of the following ions is NOT listed as a second messenger in hormone action?
Which of the following ions is NOT listed as a second messenger in hormone action?
'Hormones alter operations of the target cell' mainly by changing:
'Hormones alter operations of the target cell' mainly by changing:
In hormone action, what depends on the presence or absence of receptors for a specific hormone?
In hormone action, what depends on the presence or absence of receptors for a specific hormone?
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