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Questions and Answers

Which form of vitamin D is the most active?

Vitamin D

Calcitriol (correct)

Renal enzymes

Calcium

What is the function of calcitriol?

To excrete waste

To absorb calcium (correct)

To protect the skin

To regulate body temperature

What does the acronym SHAPES stand for in relation to the functions of the skin?

Sensation, Healing, Absorption, Protection, Excretion, Secretion

Sensation, Heating, Absorption, Protection, Excretion, Secretion (correct)

Sensation, Heating, Absorption, Prevention, Excretion, Secretion

Sensation, Heating, Absorption, Protection, Excretion, Suppression

What is one of the functions of the skin according to SHAPES?

To regulate body temperature (D) Signup and view all the answers

What modifies the activated molecule to produce calcitriol?

Renal enzymes (A) Signup and view all the answers

What is the acronym SHAPES used for?

To remember the functions of the skin (A) Signup and view all the answers

What is the role of hepatic enzymes in the production of calcitriol?

To modify the activated molecule (B) Signup and view all the answers

What is the role of renal enzymes in the production of calcitriol?

To modify the activated molecule (C) Signup and view all the answers

Which of the following is NOT a function of the skin?

Thermoregulation (D) Signup and view all the answers

What provides physical protection to the skin?

Keratin (D) Signup and view all the answers

What is the biological barrier to microorganisms in the skin due to?

Intercellular junctions (D) Signup and view all the answers

What are the vasoconstrictors that regulate thermoregulation in the skin?

Catecholamines (A) Signup and view all the answers

What are the vasodilators that regulate thermoregulation in the skin?

NO (B) Signup and view all the answers

What is the function of the extensive network of blood vessels in the skin?

Blood reservoir (C) Signup and view all the answers

What are the cutaneous sensations that the skin can perceive?

All of the above (D) Signup and view all the answers

What is the process by which the skin synthesizes vitamin D?

Activation of precursor molecules (D) Signup and view all the answers

Which enzyme modifies the activated molecule to produce calcitriol?