ToB 3.1 CE quiz 2023

Q1: which cell type is responsible for the secretion of the extracellular matrix in connective tissue?

• Adipose cells

• Fibroblasts

• Macrophages

• Mast cells

• Neutrophils

Q2: which organelle is responsible for packaging procollagen into secretory vesicles which can undergo exocytosis?

• Cytoplasm

• Golgi apparatus

• Mitochondria

• Nucleus

• Rough endoplasmic reticulum

Q3: Connective tissue is derived from which stem cell line?

• Ectodermal stem cells

• Neural stem cells

• Endodermal stem cells

• Haematopoietic stem cells

• Mesenchymal stem cells

Q4: what is the most abundent protein in the body?

• Type I collagen

• Type II collagen

• Type III collagen

• Type IV collagen

• Type VII collagen

Which layer contains most elastic fibres found in the walls of blood vessels?

• Tunica intima

• Tunica media

• Tunica adventitia

• Tunica serosa

• Tunica interna