Which of the following in an enzyme embedded in cell membranes?

A) insulin
B) acetylcholine
C) gamma-aminobutyric acid
D) serotonin


A) insulin
Insulin is an enzyme embedded in cell membranes. The ligand-binding domain is where drug and endogenous regulatory molecule binding occurs. It is on the cell surface, and catalytic sites of the enzymes are inside.

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The kidneys, ureters, pancreas, and abdominal aorta are located in the:

A) scaphoid abdomen. B) retroperitoneal abdomen. C) true abdomen. D) intrathoracic abdomen.

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The ____________________________________________ ____________________________________________ is the heart's dominant pacemaker

Fill in the blank(s) with correct word

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Which of these questions would the EMT ask when performing the Los Angeles Prehospital Stroke Screen?

A) "Do you take blood thinners?" B) "Are your hand grips weak?" C) "Do you smoke cigarettes?" D) "Have you ever had a seizure?"

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Meconium ileus, 1-day-old infant, born in hospital:

a. Z38.00, P76.1. b. Z37.0, P76.1. c. P76.0, Z38.00. d. Z38.00, P76.0.

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