ATI TEAS 7
Anatomy
1. What is the medical term for ingrown hair?
- A. Folliculitis
- B. Hirsutism
- C. Pseudofolliculitis Barbae
- D. Alopecia
Correct answer: C
Rationale: The correct answer is C: 'Pseudofolliculitis Barbae.' This term specifically refers to ingrown hairs commonly seen in the beard area. Folliculitis (A) is inflammation of the hair follicles, not necessarily due to ingrown hairs. Hirsutism (B) is excessive hair growth, unrelated to ingrown hairs. Alopecia (D) is hair loss, which is also not related to ingrown hairs. Therefore, 'Pseudofolliculitis Barbae' is the medical term specifically used to describe ingrown hairs in the beard area, making it the correct answer.
2. A light ray travels from air (refractive index 1.00) into water (refractive index 1.33). What happens to its speed and direction?
- A. Speed increases, direction bends towards the normal.
- B. Speed increases, direction bends away from the normal.
- C. Speed decreases, direction bends towards the normal.
- D. Speed and direction remain unchanged.
Correct answer: A
Rationale: Due to the change in refractive index, the light ray bends towards the normal (water) as it slows down upon entering the denser medium.
3. What is the term for a repetitive, involuntary muscle contraction that can cause pain and stiffness?
- A. Cramp
- B. Spasm
- C. Tic
- D. Fibrosis
Correct answer: B
Rationale: The correct answer is B: 'Spasm.' A spasm is a sudden, involuntary muscle contraction that can cause pain and stiffness. Cramps are a type of spasm characterized by intense, localized pain and temporary muscle tightness. Tics are repetitive, involuntary movements or vocalizations. Fibrosis refers to the formation of excess fibrous connective tissue in an organ or tissue, not related to muscle contractions. Therefore, 'spasm' best fits the description provided in the question.
4. Which sentence uses the pronoun "they" correctly?
- A. Her friends told her they liked her new haircut.
- B. Sarah and I, they went to the movies.
- C. They gave the awards to whomever deserved them.
- D. The birds, they were singing in the trees.
Correct answer: A
Rationale: Option A agrees with the closest noun, "friends."
5. The stomach produces a strong acid to help break down food. What is the name of this acid?
- A. Hydrochloric acid
- B. Lactic acid
- C. Bile
- D. Fatty acid
Correct answer: A
Rationale: The correct answer is A: Hydrochloric acid. The stomach produces hydrochloric acid to help break down food by lowering the pH level in the stomach, creating an acidic environment that aids in the digestion of proteins and other nutrients. Lactic acid is produced in muscles during exercise and is not related to stomach digestion. Bile is produced by the liver and helps in the digestion and absorption of fats in the small intestine. Fatty acids are a type of molecule that is a component of fats, not the acid produced by the stomach for digestion.
6. According to the Law of Conservation of Energy, the total amount of energy in a closed system:
- A. Increases over time.
- B. Decreases over time.
- C. Remains constant.
- D. Depends on the temperature of the system.
Correct answer: C
Rationale: Rationale: According to the Law of Conservation of Energy, the total amount of energy in a closed system remains constant. This means that energy cannot be created or destroyed within the system, but can only be transformed from one form to another. As a result, the total energy within the system is conserved and does not change over time. This principle is fundamental in understanding energy transformations and interactions within physical systems.
Similar Questions
Access More Features
ATI TEAS Premium Plus
$149.99/ 90 days
- Actual ATI TEAS 7 Questions
- 3,000 questions with answers
- 90 days access
ATI TEAS Basic
$1/ 30 days
- 3,000 Questions with answers
- 30 days access