ATI TEAS 7
ATI TEAS Science Practice Test
1. What is the dermis composed of?
- A. Adipose tissue
- B. Epithelial cells
- C. Connective tissue
- D. Muscle tissue
Correct answer: C
Rationale: The correct answer is C: Connective tissue. The dermis is primarily composed of connective tissue, which includes collagen and elastin fibers that provide strength and elasticity to the skin. It houses blood vessels, nerve endings, hair follicles, and glands, playing a crucial role in supporting the skin structure and function. Adipose tissue (choice A) is found in the subcutaneous layer beneath the dermis, providing insulation and energy storage. Epithelial cells (choice B) form the outermost layer of the skin called the epidermis. Muscle tissue (choice D) is not a significant component of the dermis but is found deeper in the body associated with movement and support.
2. What are the components of the female internal genitalia and their functions?
- A. Fallopian tubes: transport eggs from the ovaries to the uterus
- B. Vagina: serves as the birth canal and connects the uterus to the external environment
- C. Ovaries: produce eggs and hormones
- D. Cervix: serves as the lower part of the uterus connecting it to the vagina
Correct answer: C
Rationale: The correct answer is C. The ovaries are responsible for producing eggs (ova) and hormones (estrogen and progesterone). They are essential for reproduction, including the release of eggs for fertilization and for regulating the menstrual cycle. The fallopian tubes, as mentioned in choice A, transport eggs from the ovaries to the uterus for potential fertilization. The vagina, described in choice B, serves as the birth canal and also connects the uterus to the external environment. The cervix, as stated in choice D, is the lower part of the uterus that connects it to the vagina and also plays a role in protecting the uterus from infections and serving as a passage for menstrual flow.
3. What type of sentence is the following example an illustration of?
- A. Compound
- B. Simple
- C. Complex
- D. Compound-Complex
Correct answer: D
Rationale: The sentence provided is classified as compound-complex. It contains two independent clauses ('Although I wished it were summer' and 'I accepted the change of seasons') and one dependent clause ('and I started to appreciate the fall'). A compound sentence joins two independent clauses with a coordinating conjunction, a complex sentence consists of an independent clause and at least one dependent clause, while a compound-complex sentence combines elements of both by having multiple independent clauses and at least one dependent clause. Therefore, choices A, B, and C are incorrect as they do not accurately describe the structure of the sentence.
4. What is the muscular sac that stores urine until it is released from the body known as?
- A. Urethra
- B. Bladder
- C. Ureter
- D. Nephron
Correct answer: B
Rationale: The bladder is the muscular sac that stores urine until it is released from the body. It acts as a reservoir for urine until it is eliminated through the urethra. The urethra is the tube responsible for carrying urine from the bladder to the outside. The ureter transports urine from the kidneys to the bladder. The nephron is the structural and functional unit of the kidney involved in the filtration of blood and urine production. Therefore, the correct answer is the bladder, as it specifically fulfills the function of storing urine before its elimination.
5. What is 0.2 rounded to the nearest tenth?
- A. 0.1
- B. 0.2
- C. 0.3
- D. 0.25
Correct answer: B
Rationale: The decimal 0.2 is already at the nearest tenth, so it does not need to be rounded. Rounding to the nearest tenth means keeping one decimal place, which is already the case with 0.2. Therefore, the correct answer is 0.2, as it is already at the specified rounding point. Choices A, C, and D are incorrect because they represent values that are not the result of rounding 0.2 to the nearest tenth. 0.1 is rounding down, 0.3 is rounding up, and 0.25 is not the nearest tenth of 0.2.
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