Question 1

Which of the following best describes the difference between Anatomy and Physiology?

Accepted Answer

Anatomy is the study of the structure of body parts, while Physiology is the study of how those parts function.

Question 2

Which of the following is the correct order of levels of organization in the human body, from simplest to most complex?

Accepted Answer

Molecule, cell, tissue, organ, organ system, organism

Question 3

A patient is experiencing difficulty with protein folding in their cells. Which cellular structure is most likely malfunctioning?

Accepted Answer

Endoplasmic reticulum

Question 4

Which of the following is an example of negative feedback in the human body?

Accepted Answer

Regulation of blood glucose levels by insulin

Question 5

A student is asked to identify the organ system responsible for transporting nutrients, gases, and wastes throughout the body. Which system should they choose?

Accepted Answer

Circulatory system

Question 6

Which of the following best describes a positive feedback mechanism?

Accepted Answer

A process that amplifies the initial stimulus, leading to a greater response.

Question 7

Given the chemical reaction: $$ \mathrm{NaOH} + \mathrm{HCl} \rightarrow \mathrm{NaCl} + \mathrm{H_2O} $$, what type of reaction is this?

Accepted Answer

Neutralization reaction

Question 8

Which of the following is an example of an organic molecule?

Accepted Answer

Glucose ($$ \mathrm{C_6H_{12}O_6$} )$$

Question 9

A person touches a hot stove and immediately pulls their hand away. Which part of the feedback mechanism is the muscle that contracts to move the hand?

Accepted Answer

Effector

Question 10

Which of the following best describes the role of enzymes in chemical reactions within the body?

Accepted Answer

Enzymes lower the activation energy, speeding up reactions.

Question 11

A patient is diagnosed with a disorder affecting their cell membranes. Which of the following is most likely to be impaired?

Accepted Answer

Transport of substances into and out of the cell

Question 12

Which of the following is NOT a characteristic of life?

Accepted Answer

Ability to remain unchanged over time

Question 13

Which of the following best describes the difference between organic and inorganic molecules?

Accepted Answer

Organic molecules contain carbon and hydrogen, while inorganic molecules may lack carbon.

Question 14

A person is experiencing muscle cramps due to an imbalance of electrolytes. Which type of molecule is most directly involved in this process?

Accepted Answer

Ions

Question 15

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

Accepted Answer

$$ \mathrm{2H_2} + \mathrm{O_2$} \rightarrow \mathrm{2H_2O} $$

Question 16

Which of the following best describes the function of the control center in a feedback mechanism?

Accepted Answer

Receives information from the receptor and determines the response

Question 17

A patient is unable to maintain a stable internal temperature. Which process is most likely impaired?

Accepted Answer

Homeostasis

Question 18

Which of the following is a correct example of a chemical bond found in organic molecules?

Accepted Answer

Covalent bond between two carbon atoms in $$ \mathrm{C_2H_6} $$

Question 19

Which of the following is a real-life example of a positive feedback loop?

Accepted Answer

Release of oxytocin during childbirth to intensify contractions

Question 20

A student is asked to identify the plane that divides the body into right and left halves. Which plane should they choose?

Accepted Answer

Sagittal plane

Anatomy & Physiology Exam 1 Study Guide

Study Guide - Practice Questions

Study Guide - Flashcards