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

A solution has a pH of 3. Which of the following statements is true?

Accepted Answer

The solution is acidic and has a high concentration of $$\mathrm{H^+}$$ ions

Question 6

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

Accepted Answer

Catalyzing biochemical reactions as enzymes

Question 7

Which of the following best describes 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 best describes the function of the cell membrane?

Accepted Answer

Regulates the movement of substances into and out of the cell

Question 9

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 10

Which of the following best describes the process of facilitated diffusion?

Accepted Answer

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

Question 11

During which phase of the cell cycle does DNA replication occur?

Accepted Answer

S phase

Question 12

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

Accepted Answer

Generating electrical impulses for muscle contraction

Question 13

Which of the following best describes the role of mRNA in protein synthesis?

Accepted Answer

It carries the genetic code from DNA to the ribosome for translation

Question 14

Which of the following is a correct complementary base pairing in DNA?

Accepted Answer

Adenine ($$A) $$pairs with Thymine ($$T)$$

Question 15

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 16

Which of the following is a characteristic of simple squamous epithelium?

Accepted Answer

It consists of a single layer of flat cells that allows for rapid diffusion

Question 17

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

Accepted Answer

It is the site of ribosomal RNA synthesis and ribosome assembly

Question 18

A patient is unable to absorb nutrients properly due to damage in the lining of the small intestine. Which type of epithelial tissue is most likely affected?

Accepted Answer

Simple columnar epithelium

Question 19

Which of the following best describes the difference between isotonic, hypertonic, and hypotonic solutions?

Accepted Answer

Isotonic solutions have equal solute concentration as the cell; hypertonic solutions have higher solute concentration than the cell; hypotonic solutions have lower solute concentration than the cell

Question 20

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

Accepted Answer

They produce ATP through cellular respiration

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

Guida di studio - Domande di pratica

Study guide - Flashcard