Question 1

Which of the following best describes the function of cholesterol in the plasma membrane?

Accepted Answer

It stabilizes the membrane by regulating its fluidity.

Question 2

A patient is given intravenous fluids that are isotonic to their blood plasma. What effect will this have on their red blood cells?

Accepted Answer

The cells will remain unchanged because there is no net movement of water.

Question 3

Which organelle is primarily responsible for ATP production in eukaryotic cells?

Accepted Answer

Mitochondrion

Question 4

Which process is described by the movement of molecules from an area of higher concentration to an area of lower concentration without the use of energy?

Accepted Answer

Simple diffusion

Question 5

During which phase of mitosis do sister chromatids separate and move toward opposite poles?

Accepted Answer

Anaphase

Question 6

Which type of epithelial tissue is best suited for absorption and secretion in the digestive tract?

Accepted Answer

Simple columnar epithelium

Question 7

A burn patient is assessed using the Rule of 9's. If both legs and the anterior trunk are burned, what percentage of the body surface area is affected?

Accepted Answer

$54\%$

Question 8

Which connective tissue type is characterized by a firm, glassy matrix and is found at the ends of long bones?

Accepted Answer

Hyaline cartilage

Question 9

Which cell type is responsible for producing the pigment melanin in the skin?

Accepted Answer

Melanocytes

Question 10

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

Accepted Answer

It synthesizes ribosomal RNA and assembles ribosome subunits.

Question 11

A patient with cystic fibrosis has a defect in a membrane protein that transports chloride ions. Which type of membrane protein is affected?

Accepted Answer

Channel protein

Question 12

Which of the following is a function of the Golgi apparatus?

Accepted Answer

Modification, sorting, and packaging of proteins

Question 13

Which layer of the epidermis is responsible for cell division and regeneration?

Accepted Answer

Stratum basale

Question 14

Which type of gland releases its product by exocytosis without losing any part of the cell?

Accepted Answer

Merocrine gland

Question 15

Which of the following best describes the difference between mitosis and meiosis?

Accepted Answer

Mitosis produces two identical cells, while meiosis produces four genetically unique cells.

Question 16

Which connective tissue fiber type provides great tensile strength to tendons and ligaments?

Accepted Answer

Collagen fibers

Question 17

A patient presents with a basal cell carcinoma. According to the ABCD rule of skin cancer, which characteristic is LEAST likely to be present?

Accepted Answer

Diameter greater than 6 mm

Question 18

Which of the following best explains why facilitated diffusion requires a membrane protein?

Accepted Answer

It allows polar or charged molecules to cross the hydrophobic membrane.

Question 19

Which muscle type is voluntary and striated, and is responsible for movement of the skeleton?

Accepted Answer

Skeletal muscle

Question 20

A cell placed in a hypertonic solution will:

Accepted Answer

Lose water and shrink

Cell Structure, Tissue Types, and Integumentary System: Study Guide (Chapters 3-5)

Study Guide - Practice Questions

Study Guide - Flashcards