Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

10 Questions

2 Views

Cellular Homeostasis Quiz

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

How is homeostasis maintained in cells?

Through positive feedback loops

By increasing environmental changes

Through negative feedback loops (correct)

By shutting down all cellular processes

What happens when the body temperature of humans goes above the homeostatic level?

Sweating and dilation of blood vessels in extremities occur (correct)

The body temperature continues to rise indefinitely

The body stops all cooling mechanisms

Shivering and constriction of blood vessels occur

What triggers the pancreas to release insulin in animals?

Elevated body temperature

Falling blood glucose levels

Rising blood glucose levels (correct)

Increased blood pressure

What is the optimal body temperature for humans?

98.6 degrees Fahrenheit Signup and view all the answers

Which of the following is NOT an example of homeostasis?

Glucose levels rising after food ingestion Signup and view all the answers

What is the main organelle responsible for maintaining homeostasis?

Cell membrane Signup and view all the answers

What is the process of water moving from a high concentration of water to a low concentration of water called?

Osmosis Signup and view all the answers

What helps regulate how much water moves into and out of the cell?

Aquaporins Signup and view all the answers

What does the cell use to pump sodium ions outside the cell and potassium ions into the cell?

Active transport Signup and view all the answers

What regulates ion channels in the cell membrane, allowing for finer levels of control?

Ligands or other stimuli Signup and view all the answers