Logo

Nursing Elites

ATI TEAS 7

Biology

1. Where does cellular respiration, the process of converting chemical energy into ATP, take place in eukaryotic cells?

Correct answer: C

Rationale: Rationale: Cellular respiration, the process of converting chemical energy into ATP, takes place in the mitochondria of eukaryotic cells. The mitochondria are known as the powerhouse of the cell because they are responsible for generating most of the cell's ATP through the process of cellular respiration. This process involves the breakdown of glucose and other organic molecules to produce ATP, which is the primary energy currency of the cell. The other organelles listed in the options (nucleus, ribosomes, and Golgi apparatus) do not play a direct role in cellular respiration.

2. An Egyptian model pyramid has a square base side length of 10cm and a height of 8cm. What is its volume?

Correct answer: D

Rationale: Use the formula for volume of a pyramid: (1/3) * base area * height. Calculate the base area (10cm * 10cm = 100 sq cm) and substitute: (1/3) * 100 sq cm * 8cm = 80 cu cm.

3. What is the principle behind optical fibers used in communication?

Correct answer: C

Rationale: Optical fibers used in communication rely on the principle of total internal reflection guiding light through the fiber core. When light enters the fiber at a certain angle, it reflects off the boundary between the core and cladding, ensuring that the light remains trapped within the core and travels along the fiber without significant loss of signal. This total internal reflection allows for efficient transmission of light signals over long distances in optical communication systems.

4. Adipose tissue, commonly known as fat, primarily functions in:

Correct answer: D

Rationale: The correct answer is D, 'All of the above.' Adipose tissue, or fat, serves multiple functions in the body. It provides support by cushioning and protecting organs, acts as an insulation layer to maintain body temperature, and serves as a crucial energy storage site where excess energy is stored in the form of triglycerides. Therefore, all of the options listed (support, insulation, and energy storage) are accurate functions of adipose tissue.

5. Which of the following organs is NOT directly involved in urine production?

Correct answer: C

Rationale: The correct answer is C: Lungs. The lungs are not directly involved in urine production. The kidneys are responsible for filtering waste products from the blood to create urine. The urethra is the tube that carries urine from the bladder out of the body. The bladder serves as a temporary storage reservoir for urine. In contrast, the lungs are primarily responsible for the exchange of gases, such as oxygen and carbon dioxide, during respiration and are not directly involved in the process of urine production.

6. A rocket blasts off from Earth. What is the main force propelling the rocket upwards?

Correct answer: C

Rationale: Thrust from the rocket engine. This force is produced by the action-reaction principle and pushes the rocket upwards against the exhaust gases.

Similar Questions

A rocket blasts off from Earth. What is the main force propelling the rocket upwards?
What happens to the acceleration of an object when the force acting on it is increased, assuming the mass remains constant?
Antidiuretic hormone (ADH) helps the kidneys regulate:
Which of the following is the primary function of the ovaries in the female reproductive system?
What is the term for the reaction between an acid and a base to produce water and a salt?
Which type of energy is associated with the random motion of particles in a substance?

Access More Features

ATI TEAS Premium Plus
$150/ 90 days

  • Actual ATI TEAS 7 Questions
  • 3,000 questions with answers
  • 90 days access

ATI TEAS Basic
$99/ 30 days

  • 3,000 Questions with answers
  • 30 days access

Other Courses