Question 1

Which directional term best describes the position of the heart relative to the lungs?

Accepted Answer

The heart is medial to the lungs.

Question 2

A patient presents with damage to the plasma membrane of their cells. Which process would be most directly affected?

Accepted Answer

Active transport of ions

Question 3

Which of the following best describes the function of tight junctions in epithelial tissue?

Accepted Answer

They prevent leakage of extracellular fluid between cells.

Question 4

During embryonic development, which germ layer gives rise to the nervous system?

Accepted Answer

Ectoderm

Question 5

Which equation correctly represents the process of mitosis in terms of chromosome number?

Accepted Answer

$2n \rightarrow 2n + 2n$

Question 6

A biopsy reveals a tissue with cells arranged in a single layer, all touching the basement membrane, and specialized for absorption. Which type of epithelial tissue is this?

Accepted Answer

Simple columnar epithelium

Question 7

Which of the following is a function of the mitochondria in a cell?

Accepted Answer

ATP production through cellular respiration

Question 8

A patient is diagnosed with a disorder affecting desmosomes. Which tissue type is most likely to show symptoms?

Accepted Answer

Epithelial tissue

Question 9

Which of the following best describes the process of endocytosis?

Accepted Answer

Uptake of large molecules into a cell by engulfing them in vesicles

Question 10

A researcher observes a tissue sample with multiple layers of cells, with only the deepest layer touching the basement membrane. What is the most likely classification of this tissue?

Accepted Answer

Stratified epithelium

Question 11

Which of the following is NOT a function of body cavities?

Accepted Answer

Providing a rigid structure for muscle attachment

Question 12

Which process is most directly responsible for the movement of oxygen from the alveoli into the blood?

Accepted Answer

Simple diffusion

Question 13

A mutation in the gene coding for gap junction proteins would most likely affect which cellular function?

Accepted Answer

Intercellular communication

Question 14

Which of the following best describes the role of teratogens during embryonic development?

Accepted Answer

They can disrupt normal development and cause birth defects.

Question 15

Which equation represents the net movement of water during osmosis?

Accepted Answer

$J_{water} = k (C_{water,high} - C_{water,low})$

Question 16

Which of the following is a characteristic of aging in tissues?

Accepted Answer

Decreased elasticity and regenerative capacity

Question 17

A patient with a genetic disorder affecting the basement membrane would most likely have problems with which tissue type?

Accepted Answer

Epithelial tissue

Question 18

Which of the following best describes the sequence of embryonic development?

Accepted Answer

Zygote → Blastocyst → Embryonic period → Fetus

Question 19

Which of the following is NOT a region of the head and associated structures?

Accepted Answer

Thoracic region

Question 20

Which process is most directly responsible for the formation of identical twins?

Accepted Answer

Division of a single zygote into two embryos

Anatomy & Physiology Exam 1 Study Guide: Directional Terminology, Cells, Development, and Tissues

Study Guide - Practice Questions

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