UNIT 2 Topic 3: Hormonal pathways

Cortisol is secreted by the:

• posterior pituitary gland.

• adrenal gland.

• thyroid gland.

• pancreatic beta cells.

Which hormone stimulates reabsorption of water by the kidneys?

• Insulin

• Glucagon

• Antidiuretic hormone

• Thyroxine

A hydrophilic hormone:

• is soluble in water and binds to extracellular receptors.

• is insoluble in water and binds to intracellular receptors.

• is soluble in water and binds to intracellular receptors.

• is insoluble in water and binds to extracellular receptors.

A hydrophobic signal molecule produced from cholesterol is known as a:

• receptor.

• steroid.

• neuron.

• none of the above.

The physiological terms for what is commonly referred to as he 'master gland' is:

• adrenal gland.

• thyroid gland.

• pituitary gland.

• hypophysis.

The 'stress hormone' is biologically known as the:

• Adrenaline

• Oestrogen

• Testosterone

• Cortisol

Upregulation can be defined as:

• when a cell is prompted to produce more of a particular cellular component, such as enzymes or receptors.

• prompting cells to produce all possible hormones in a hormone flush.

• when a cell is prompted to produce less of a particular cellular component, such as enzymes or receptors.

• inhibiting cells from producing any hormones until a downregulation trigger is received.

Which gland secretes testosterone?

• Adrenal medulla

• Anterior pituitary

• Pineal

• Testicles

Which gland secretes thymosin?

• Anterior pituitary

• Adrenal cortex

• Thymus

• Thyroid

Which gland secretes insulin?

• Anterior pituitary

• Posterior pituitary

• Pancreas

• Thyroid