Practice Question
Which of the following chemicals is released by one type of immune cell to directly activate another type of immune cell?
Answer Choices:
Correct Answer:
Cytokines
Rationale:
✔Cytokines are chemical messengers released by immune cells (like T-helper cells) to directly activate or regulate other immune cells during an immune response.
✔Perforin and Granzymes are used to kill infected cells.
✴Lysozymes break down bacterial cell walls
Want to practice more questions like this?
This question is from ATI TEAS 7 Science Practice Test which contains 5 questions.
More Questions from This Exam
Which of the following is the function of a totipotent cell?
Answer Choices:
A. Fights infectious diseases
B. Aids in the maturation of sex cells
C. Develops into any kind of cell
D. Carries electrical impulses
Which of the following microorganisms lack their own metabolic pathways and can only reproduce inside of a host cell?
Answer Choices:
A. Helminths
B. Protozoa
C. Viruses
D. Bacteria
Which of the following statements best supports the hypothesis that viruses can cause cancer?
Answer Choices:
A. Viruses and cancer cells both replicate rapidly.
B. Genes that regulate cell division are found in some viruses.
C. Cancerous and normal cells share genetic sequences.
D. Cellular DNA has sequences related to viral sequences
Which of the following indicates the function of sodium bicarbonate released by the pancreas
Answer Choices:
A. Sodium bicarbonate is protease that digests carbohydrates.
B. Sodium bicarbonate neutralizes the acidity of chyme.
C. Sodium bicarbonate inhibits peristalsis
D. Sodium bicarbonate stimulates the pyloric sphincter
Question Details
- Category: ATI TEAS
- Subcategory: Science Exam(s)
- Domain: Science~2023
- Answer Choices: 4