Q: Which equation represents the dehydration step in tissue processing, where water is removed from the tissue?

$$\mathrm{H_2O} \rightarrow \text{removed}$$

Question 1

Which of the following organelles is responsible for packaging, modifying, and concentrating proteins for secretion or use within the cell?

Accepted Answer

Golgi apparatus

Question 2

A patient presents with a genetic disorder affecting the microtubules in their cells. Which cellular process is most likely to be impaired?

Accepted Answer

Formation of the mitotic spindle during cell division

Question 3

Which of the following best describes the structure of centrioles?

Accepted Answer

A barrel-shaped organelle composed of a wheel array of nine triplets of microtubules

Question 4

According to the endosymbiont theory, which organelle is believed to have originated from a symbiotic relationship with a prokaryotic cell?

Accepted Answer

Mitochondria

Question 5

Which equation correctly represents the process of ATP production in mitochondria during cellular respiration?

Accepted Answer

$$\mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$} \rightarrow 6\mathrm{CO_2$} + 6\mathrm{H_2O} + \mathrm{ATP}$$

Question 6

Which of the following is NOT a function of the smooth endoplasmic reticulum (SER)?

Accepted Answer

Modification and packaging of proteins for secretion

Question 7

A histological slide shows a single layer of tall cells with nuclei located near the base, some containing mucus-producing goblet cells. Which type of epithelium is this?

Accepted Answer

Simple columnar epithelium

Question 8

Which of the following statements about epithelial tissue is TRUE?

Accepted Answer

Epithelial cells fit closely together and always have one free surface.

Question 9

Which organelle contains digestive enzymes and is responsible for breaking down ingested bacteria, viruses, and nonfunctional organelles?

Accepted Answer

Lysosome

Question 10

A tissue sample from the urinary bladder shows cells that change shape depending on the degree of stretching. What is the correct name for this epithelium?

Accepted Answer

Transitional epithelium

Question 11

Which of the following is a correct sequence for tissue processing in histology?

Accepted Answer

Fixation, dehydration, clearing, impregnation, embedding, sectioning, staining

Question 12

Which primary germ layer gives rise to all nervous tissue and the integument?

Accepted Answer

Ectoderm

Question 13

Which of the following is a function of peroxisomes?

Accepted Answer

Detoxification of harmful substances and neutralization of free radicals

Question 14

A slide of tracheal tissue shows a single layer of cells of varying heights, all attached to the basement membrane, with cilia on the apical surface. What is the correct name for this epithelium?

Accepted Answer

Pseudostratified ciliated columnar epithelium

Question 15

Which of the following best describes the function of the nucleolus?

Accepted Answer

Site of ribosome production

Question 16

Which equation represents the dehydration step in tissue processing, where water is removed from the tissue?

Accepted Answer

$$\mathrm{H_2O} ightarrow 	ext{removed}$$

Question 17

Which of the following statements about the cytoskeleton is TRUE?

Accepted Answer

It consists of microtubules, microfilaments, and intermediate filaments.

Question 18

Which type of epithelium is most likely to be found lining the alveoli of the lungs, facilitating rapid gas exchange?

Accepted Answer

Simple squamous epithelium

Question 19

Which of the following is a characteristic feature of stratified squamous epithelium?

Accepted Answer

Cells at the free edge are flattened

Question 20

Which of the following statements about tissue development is correct?

Accepted Answer

Epithelial tissue can arise from all three primary germ layers.

Cell Structure and Tissue Organization: A Study Guide for Anatomy & Physiology

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