Physiology Quiz on Cellular Functions

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary focus of physiology in the study of the body?

  • Examining the composition of organic compounds
  • Studying the functions of body structures (correct)
  • Analyzing physical relationships between structures
  • Understanding internal and external structures

Which of the following is NOT a common element found in human cells?

  • Calcium (correct)
  • Nitrogen
  • Carbon
  • Oxygen

What is the role of carbohydrates in cellular organization?

  • Transport and store energy (correct)
  • Act as reservoirs of stored genetic information
  • Catalyze metabolic reactions
  • Form structural materials in cells

Which of the following statements correctly describes proteins?

<p>They are the most diverse form of biological molecules (D)</p> Signup and view all the answers

What surrounds and separates the cell's interior from its environment?

<p>Plasma membrane (C)</p> Signup and view all the answers

What is the function of enzymes in cellular processes?

<p>To accelerate metabolic reactions (B)</p> Signup and view all the answers

Which organic compound is responsible for forming the structural materials in cells?

<p>Lipids (B)</p> Signup and view all the answers

The cytoplasm of a cell contains which of the following?

<p>Organelles performing specialized functions (D)</p> Signup and view all the answers

Which of the following is NOT a function of the muscular system?

<p>Filtering blood within the body (D)</p> Signup and view all the answers

What characteristic of muscle refers to its ability to return to original shape after being stretched?

<p>Elasticity (C)</p> Signup and view all the answers

How does the muscular system contribute to homeostasis?

<p>By providing movement for breathing and circulation (A)</p> Signup and view all the answers

Which characteristic of muscle is defined as the ability to be stretched?

<p>Extensibility (D)</p> Signup and view all the answers

What percentage of the body's mass is made up by the muscular system?

<p>40 percent (B)</p> Signup and view all the answers

What are the four primary types of tissue in the human body?

<p>Epithelial, Connective, Muscle, Nervous (D)</p> Signup and view all the answers

Which type of tissue is characterized by having a free surface?

<p>Epithelial (B)</p> Signup and view all the answers

Which statement best describes the role of neurons?

<p>Conduct electrical impulses (C)</p> Signup and view all the answers

What is the primary function of muscle tissue?

<p>Provide movement for the body (D)</p> Signup and view all the answers

Which component does NOT play a role in maintaining homeostasis?

<p>Muscle fibers (C)</p> Signup and view all the answers

Which type of connective tissue is considered specialized?

<p>Blood (D)</p> Signup and view all the answers

What is involved in the process of homeostasis when external conditions change?

<p>Multiple organ systems working together (A)</p> Signup and view all the answers

Which of the following functions is NOT typical of epithelial tissue?

<p>Electrical conduction (B)</p> Signup and view all the answers

What is the primary function of adenosine triphosphate (ATP) in the cell?

<p>Energy currency (A)</p> Signup and view all the answers

Which nucleotide base pairs with cytosine (C) in DNA?

<p>Guanine (G) (B)</p> Signup and view all the answers

What differentiates RNA from DNA?

<p>RNA contains ribose instead of deoxyribose (B)</p> Signup and view all the answers

Which of the following correctly describes the structure of DNA?

<p>A helical molecule formed by two chains of nucleotides (A)</p> Signup and view all the answers

During transcription, what is produced from DNA?

<p>RNA (A)</p> Signup and view all the answers

What is one role of proteins in the body?

<p>Act as hormone signals (C)</p> Signup and view all the answers

What type of bonding holds the base pairs together in the DNA double helix?

<p>Hydrogen bonding (A)</p> Signup and view all the answers

Which of the following best describes the primary components of a nucleotide?

<p>A five-carbon sugar, a phosphate group, and a nitrogen base (C)</p> Signup and view all the answers

How is cardiac output calculated?

<p>Heart rate multiplied by stroke volume (A)</p> Signup and view all the answers

What does compliance refer to in the context of the respiratory system?

<p>The ease of lung expansion under pressure (A)</p> Signup and view all the answers

What is the primary function of the nervous system?

<p>To control all the body’s functions (D)</p> Signup and view all the answers

Which component is NOT part of the central nervous system?

<p>Peripheral nerves (D)</p> Signup and view all the answers

What does stroke volume measure?

<p>The volume of blood pumped by the heart per beat (D)</p> Signup and view all the answers

What is the role of surface tension in the lungs?

<p>It prevents large alveoli from over-inflating (D)</p> Signup and view all the answers

In the given ECG scenario, how many heartbeats does 10 R-waves represent?

<p>9 heartbeats (A)</p> Signup and view all the answers

What distinct roles do the central and peripheral nervous systems serve?

<p>CNS processes information; PNS sends signals to muscles (B)</p> Signup and view all the answers

Flashcards are hidden until you start studying

Related Documents

More Like This

Cellular Physiology and Transport Quiz
5 questions
Cellular Physiology Basics
36 questions
Cellular Physiology
41 questions

Cellular Physiology

ProfoundFuchsia6830 avatar
ProfoundFuchsia6830
Use Quizgecko on...
Browser
Browser