A 56-year-old man with chest pain is diagnosed with stable angina and treated with several drugs including nitroglycerin. Every day he has to discontinue nitroglycerin for some hours to re-establish reactivity of his body to the drug. The clinical observation of a rapidly decreasing response to nitroglycerin after administration of just a few doses is called

A. idiosyncrasy.
B. tachyphylaxis.
C. heterologous desensitization.
D. refractoriness.
E. receptor downregulation.


B. tachyphylaxis.

Health & Biomechanics

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Refer to Addison's "Student Story" in the chapter. How can Addison improve his odds of quitting smoking permanently?

What will be an ideal response?

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Which organ produces insulin?

A. Lungs B. Pancreas C. Liver D. Colon

Health & Biomechanics

The pressure of the blood against the arterial walls when the heart is relaxed is known as:

A. systolic blood pressure. B. diastolic blood pressure. C. essential hypertension. D. hypertension.

Health & Biomechanics

Iol: __________

Fill in the blank(s) with correct word

Health & Biomechanics