Which form of thyroid hormone has greater activity at target cells?

a. T3
b. T4
c. neither; T3 & T4 have equal activity.


Answer: a. T3

Anatomy & Physiology

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The transverse fissure separates the cerebrum from the cerebellum.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

The hyoid bone is seen at the level of the

A. mandible. B. clavicle. C. C7. D. cricoid cartilage.

Anatomy & Physiology

Which of the following are TRUE of the Krebs cycle?A) Oxygen is required.B) Fats can be utilized as an energy source through conversion to acetyl-coA.C) Carbohydrates can be utilized as an energy source through conversion to acetyl-coA.D) It takes place in the cytosol.E) Only muscle cells utilize it as a way to make ATP.

What will be an ideal response?

Anatomy & Physiology

In the second-messenger

a. a small amount of one hormone (the second messenger) is required to release another. b. a tropic hormone (the first messenger) stimulates secretion of another hormone (the second messenger). c. the hormone first binds to a specific surface receptor, whereupon the hormone-receptor complex moves into the cell to combine with a specific intracellular receptor. d. releasing hormones (the first messenger) from the hypothalamus regulate many anterior pituitary hormones (the second messenger). e. a hormone (the first messenger) binds to surface receptors activating adenylate cyclase, catalyzing cAMP formation.

Anatomy & Physiology