Question 1

Which of the following best describes the anatomical position?

Accepted Answer

Standing upright, facing forward, arms at the sides with palms facing forward

Question 2

A patient is experiencing pain in the right lower quadrant (RLQ) of the abdomen. Which organ is most likely involved?

Accepted Answer

Appendix

Question 3

Which of the following best describes a negative feedback loop in homeostasis?

Accepted Answer

A process that reverses a change to maintain a stable internal environment

Question 4

Which of the following is an example of a dehydration synthesis reaction?

Accepted Answer

Formation of a peptide bond between two amino acids with the release of water

Question 5

Which of the following is a property of water that makes it vital for life?

Accepted Answer

It has a high heat capacity, allowing it to absorb and release heat slowly

Question 6

A solution has a pH of 3. Which of the following best describes this solution?

Accepted Answer

It is acidic, with a high concentration of $$\mathrm{H^+}$$ ions

Question 7

Which of the following best explains the difference between saturated and unsaturated fatty acids?

Accepted Answer

Saturated fatty acids have no double bonds between carbon atoms, while unsaturated fatty acids have one or more double bonds

Question 8

Which of the following is a function of proteins in the human body?

Accepted Answer

Acting as enzymes to speed up chemical reactions

Question 9

Which of the following best describes the role of phospholipids in cell membranes?

Accepted Answer

They form a bilayer that acts as a barrier to most water-soluble substances

Question 10

Which of the following statements about DNA and RNA is correct?

Accepted Answer

DNA contains the base thymine, while RNA contains uracil instead

Question 11

A red blood cell is placed in a hypotonic solution. What will happen to the cell?

Accepted Answer

Water will enter the cell, causing it to swell and possibly burst

Question 12

Which of the following best describes facilitated diffusion?

Accepted Answer

Movement of molecules across a membrane via a protein channel, down their concentration gradient, without energy input

Question 13

Which of the following is a function of the rough endoplasmic reticulum (RER)?

Accepted Answer

Synthesis of proteins for export or insertion into membranes

Question 14

During which phase of mitosis do the chromosomes align at the center of the cell?

Accepted Answer

Metaphase

Question 15

Which of the following is NOT a characteristic of epithelial tissue?

Accepted Answer

Contains a large amount of extracellular matrix

Question 16

Which type of epithelial tissue is best adapted for diffusion and filtration?

Accepted Answer

Simple squamous

Question 17

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

Accepted Answer

They prevent the passage of substances between adjacent cells

Question 18

Which of the following is a correct pairing of a tissue type and its primary function?

Accepted Answer

Muscle tissue – movement

Question 19

A mutation in the gene coding for a membrane transport protein results in the inability to move glucose into cells. Which process is most likely affected?

Accepted Answer

Facilitated diffusion

Question 20

Which of the following best describes the function of a codon in protein synthesis?

Accepted Answer

A sequence of three nucleotides in mRNA that codes for a specific amino acid

Anatomy & Physiology I: Study Guide for Chapters 1–4

Study Guide - Practice Questions

Study Guide - Flashcards