CALCIUM PHOSPHATE HOMEOSTASIS

CALCIUM PHOSPHATE HOMEOSTASIS

University

5 Qs

quiz-placeholder

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CALCIUM PHOSPHATE HOMEOSTASIS

CALCIUM PHOSPHATE HOMEOSTASIS

Assessment

Quiz

Science

University

Medium

Created by

Roohi Sakina

Used 95+ times

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1.Which of the following statements best describes homeostasis?

a) Keeping the body in a fixed and unaltered state.

b) Dynamic equilibrium.

c) Maintaining a near-constant internal environment.

d) Altering the external environment to accommodate the body's needs.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2.A small Ca binding protein that modifies the activity of many enzymes and other proteins in response to changes of Ca2+ concentration, is known as:

a) Cycline

b) Calmodulin

c) Collagen

d) Kinesin

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3. Which of the following hormone interact to regulate -hydroxylase activity

a) Parathyroid hormone

b) calcitriol

c) calcitonin

d) thyroid hormone

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4.Which of the following hormones is not important in calcium homeostasis?


a)Calcitonin

b) Parathyroid hormone

c) 1,25-dihydroxycholecalciferol

d) Glucagon

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5.Which of the following statements regarding calcium homeostasis is not true?

a) Extracellular calcium concentration is monitored in the parathyroid.

b) Inhibition of osteoclast activity helps restore high extracellular calcium concentration to normal levels.

c) Calcitonin and parathyroid hormone have opposing effects on extracellular calcium concentration.

d) 1,25-dihydrocycholecalciferol and parathyroid hormone have opposing effects on extracellular calcium concentration.