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 suffers a spinal cord injury that disrupts the transmission of electrical impulses. Which cell type is most directly affected?

Accepted Answer

Neurons

Question 3

Which muscle tissue type is responsible for voluntary movement and is characterized by striations?

Accepted Answer

Skeletal muscle

Question 4

Which of the following is a key characteristic of epithelial tissue that allows it to resist mechanical stress and prevent leakage between cells?

Accepted Answer

Formation of tight junctions and desmosomes

Question 5

A gland that releases its secretion directly into the bloodstream is classified as:

Accepted Answer

Endocrine

Question 6

Which layer of the basement membrane acts as a filter for substances entering the epithelium?

Accepted Answer

Basal lamina

Question 7

Connective tissue is unique among the four primary tissue types because it:

Accepted Answer

Contains an abundant extracellular matrix

Question 8

Which connective tissue fiber type provides high tensile strength and is most abundant in tendons?

Accepted Answer

Collagen fibers

Question 9

A patient with Marfan syndrome has a mutation in the FBN1 gene. This primarily affects which component of connective tissue?

Accepted Answer

Elastic fibers

Question 10

Which type of epithelial tissue is best suited for absorption and filtration due to its thin and permeable nature?

Accepted Answer

Simple squamous epithelium

Question 11

Which of the following equations best represents the relationship between the number of cell layers ($$n) $$and the rate of diffusion ($$D) $$across epithelial tissue, assuming all other factors are constant?

Accepted Answer

$$D \propto \frac{1}{n}$$

Question 12

Which connective tissue cell type is responsible for laying down new ground substance and fibers during tissue repair?

Accepted Answer

Fibroblasts

Question 13

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

Accepted Answer

Acinus

Question 14

Which type of membrane lines body cavities that are closed to the outside and is named according to the cavity it is in?

Accepted Answer

Serous membrane

Question 15

During tissue repair, which process is most likely to occur if the injury site is infected?

Accepted Answer

Formation of scar tissue (fibrosis)

Question 16

Which of the following best explains why stratified epithelial tissue is found in areas subjected to high abrasion?

Accepted Answer

Multiple layers provide protection against friction and wear

Question 17

Which equation best describes the relationship between the viscosity of ground substance ($$V) $$and the concentration of proteoglycans ($$P) in $$connective tissue?

Accepted Answer

$$V \propto P$$

Question 18

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

Accepted Answer

Regulation of body temperature

Question 19

A tumor that is malignant and metastatic is best described as:

Accepted Answer

A mass of cells that invades surrounding tissues and can spread to distant sites

Question 20

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

Accepted Answer

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

Tissues: Structure, Function, and Classification (Chapter 4 Study Notes)

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