Question 1

Which of the following best describes the function of the mitochondria in a eukaryotic cell?

Accepted Answer

Converts food into ATP, serving as the powerhouse of the cell

Question 2

A patient suffers a spinal cord injury that disrupts the dorsal body cavity. Which organs or structures are most likely to be affected?

Accepted Answer

Brain and spinal cord

Question 3

Which of the following best describes the difference between exocrine and endocrine glands?

Accepted Answer

Exocrine glands release their secretions onto epithelial surfaces, while endocrine glands secrete hormones directly into the blood.

Question 4

A biopsy reveals a tissue sample with multiple layers of flat, scale-like cells. Which type of epithelial tissue is this most likely to be?

Accepted Answer

Stratified squamous epithelium

Question 5

Which of the following best explains why the plasma membrane is described as a 'fluid mosaic'?

Accepted Answer

It consists of a double layer of phospholipids with proteins and cholesterol embedded, allowing lateral movement.

Question 6

A patient is diagnosed with carcinoma in the lining of the esophagus. Which tissue type is primarily affected?

Accepted Answer

Epithelial tissue

Question 7

Which of the following best describes the function of cilia in the respiratory tract?

Accepted Answer

Move mucus and debris out of the airways

Question 8

A mutation prevents the formation of tight junctions between epithelial cells. Which of the following is a likely consequence?

Accepted Answer

Increased passage of molecules and water between cells, compromising tissue integrity

Question 9

Which of the following best describes the role of the rough endoplasmic reticulum (RER)?

Accepted Answer

Synthesizes proteins for cell membrane or secretion

Question 10

A patient has a genetic disorder affecting the desmosomes in their skin cells. Which symptom would you most likely expect?

Accepted Answer

Reduced mechanical strength and increased skin blistering

Question 11

Which of the following best describes the function of microvilli in the small intestine?

Accepted Answer

Increase surface area for absorption of nutrients

Question 12

A patient presents with a tumor in the thoracic cavity. Which of the following organs could be directly affected?

Accepted Answer

Heart

Question 13

Which of the following best describes the process of transcription in the central dogma of molecular biology?

Accepted Answer

Copying a DNA sequence into an mRNA molecule

Question 14

A tissue sample is found to contain cells embedded in a hard, calcified matrix with lacunae. Which tissue type is this?

Accepted Answer

Bone

Question 15

Which of the following best explains why stratified squamous epithelium is found in the skin?

Accepted Answer

It provides protection against abrasion and dehydration.

Question 16

A patient has a mutation that prevents the formation of gap junctions in cardiac muscle. What is the most likely physiological effect?

Accepted Answer

Disrupted electrical synchronization of heart contractions

Question 17

Which of the following best describes the function of the basal lamina in epithelial tissue?

Accepted Answer

Separates the epithelium from the underlying connective tissue and provides support

Question 18

A patient is unable to produce keratin in their skin cells. Which of the following symptoms would you expect?

Accepted Answer

Increased risk of dehydration and infection

Question 19

Which of the following best describes the function of connective tissue in the body?

Accepted Answer

Supports and binds other tissues, stores energy, and provides immunity

Question 20

A patient with a genetic defect in collagen production would most likely experience problems in which tissue type?

Accepted Answer

Connective tissue

Anatomy & Physiology: Body Cavities, Cells, and Tissues Study Guide

Study Guide - Practice Questions