Q1. Which hormone stimulates the resorption of calcium from bones into the bloodstream?A. CalcitoninB. Parathyroid hormoneC. InsulinD. Glucagon
Q2. Which of the following muscles is involved in chewing?A. DeltoidB. MasseterC. Biceps brachiiD. Gastrocnemius
Q3. Which of the following is a distinguishing feature of cardiac muscle?A. Multinucleated cellsB. Non-striated appearanceC. Branched fibersD. Voluntary control
Q4. Which of the following statements about osteoporosis is incorrect?A. It leads to decreased bone mass.B. It is caused by increased calcium absorption.C. It increases fracture risk.D. It is common in elderly individuals.
Q5. Which muscle type is responsible for voluntary movements?A. Cardiac muscleB. Smooth muscleC. Skeletal muscleD. Involuntary muscle
Q6. Which of the following bones is part of the axial skeleton?A. FemurB. HumerusC. VertebraD. Scapula
Q7. Which structure in a long bone is responsible for the production of blood cells?A. Compact boneB. PeriosteumC. Red bone marrowD. Yellow bone marrow
Q8. Which of the following conditions is characterized by inflammation of joints?A. ArthritisB. OsteoporosisC. TetanyD. Muscular dystrophy
Q9. Which of the following proteins plays a regulatory role in muscle contraction?A. TropomyosinB. MyosinC. ActinD. Hemoglobin
Q10. Which hormone is responsible for increasing calcium deposition in bones?A. Parathyroid hormoneB. CalcitoninC. ThyroxineD. Glucagon