Q: Which of the following equations correctly represents the relationship between the viscosity of ground substance and the concentration of proteoglycans in connective tissue?

$$\text{Viscosity} \propto \text{Proteoglycan concentration}$$

Question 1

Which of the following best describes the primary function of nervous tissue in the human body?

Accepted Answer

Regulation and control of body functions via electrical signals

Question 2

A patient presents with a genetic disorder affecting the FBN1 gene, leading to weakened elastic fibers in connective tissue. Which syndrome does this patient most likely have?

Accepted Answer

Marfan syndrome

Question 3

Which type of muscle tissue is found exclusively in the walls of the heart and is under involuntary control with striations?

Accepted Answer

Cardiac muscle

Question 4

Which of the following statements about epithelial tissue is TRUE?

Accepted Answer

Epithelial tissue is avascular and receives nourishment by diffusion from underlying connective tissue.

Question 5

A gland that releases its secretion via exocytosis without damaging the secreting cell is classified as which type of gland?

Accepted Answer

Merocrine gland

Question 6

Which connective tissue fiber type is most responsible for providing tensile strength and resisting pulling forces?

Accepted Answer

Collagen fibers

Question 7

A tissue sample from the lining of the small intestine shows tall, column-shaped cells with microvilli. What is the primary function of this epithelium?

Accepted Answer

Absorption of nutrients

Question 8

Which of the following best explains why simple squamous epithelium is found in areas of the body where absorption, secretion, and filtration are desired?

Accepted Answer

Its thin and permeable structure facilitates rapid exchange of substances.

Question 9

Which layer of the basement membrane acts as a filter to control what can enter the epithelium?

Accepted Answer

Basal lamina

Question 10

A patient suffers a deep skin wound. Which sequence best describes the steps of tissue repair?

Accepted Answer

Inflammation, formation of granulation tissue, regeneration and fibrosis

Question 11

Which of the following equations correctly represents the relationship between the viscosity of ground substance and the concentration of proteoglycans in connective tissue?

Accepted Answer

$$	ext{Viscosity} \propto 	ext{Proteoglycan concentration}$$

Question 12

Which type of epithelial tissue is best suited for areas subjected to high levels of abrasion, such as the skin?

Accepted Answer

Stratified squamous epithelium

Question 13

Which of the following cell types is responsible for laying down new ground substance and fibers in connective tissue during repair?

Accepted Answer

Fibroblasts

Question 14

Which of the following best describes the function of tight junctions between epithelial cells?

Accepted Answer

Prevent leakage of material between cells and maintain tissue integrity

Question 15

A multicellular exocrine gland consists of a secretory unit and a duct. Which part is responsible for producing the secretion?

Accepted Answer

Acinus (secretory unit)

Question 16

Which of the following is a function of blood as a connective tissue?

Accepted Answer

Regulation of body temperature and transport of substances

Question 17

Which equation best represents the relationship between the rate of epithelial tissue regeneration ($$R) $$and the degree of abrasion ($$A) $$experienced by the tissue?

Accepted Answer

$$R \propto A$$

Question 18

Which of the following is a characteristic of cartilage as a connective tissue?

Accepted Answer

Avascular and lacks innervation

Question 19

Which of the following best describes the difference between proto-oncogenes and tumor suppressor genes in the context of cancer development?

Accepted Answer

Proto-oncogenes promote cell division, while tumor suppressor genes inhibit cell division.

Tissues: Structure, Function, and Classification in Human Anatomy

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