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ATI TEAS Version 7 Practice Test - Science
1. Which blood group is the universal donor?: Type O
A universal blood donor has type O, universal acceptor is type AB.
2. Blood oxygen
levels are most likely low when blood .: fills the right atrium
3. An intracellular chemical signal can be produced in the cell membrane.
Once it is produced, where does it go?: To another part of the same cell
4. After food has been masticated in the oral cavity, where does it go next?:
pharynx
5. The diffusion of nutrients through the walls of the digestive system is
critical to homeostasis in the body. Where does the majority of this diffusion take place in the digestive system?: small intestine
6. As soon as an invader, known as a(n) , enters the body, the body
begins to fight.: pathogen
7. Where is skeletal muscle found?: attached to bones
8. If a person smells something sweet, what form of information is this initially
perceived as in the nervous system?: sensory
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9. While hiking, a person is startled after encountering a bear. Her palms
get sweaty and her heart starts racing. Which part of her nervous system was directly stimulated?: sympathetic
10. Which of the following types of tissues include cells of the immune
system and of the blood?: connective tissue
11. Which best describes homeostasis?: A relatively constant environment within the body
12. Fe
rtilization (the fusing of one sperm and an ovum) results in a(n) .- : zygote
13. Which of the following are included in the male reproductive system?: the
penis and epididymis
14. What structure plays a role in air conduction?: trachea
15. What body system is the skeletal system most closely associated with
when hematopoises happens?: Cardiovascular system
16. What is the final structure through which urine must travel to empty
out of the body?: urethra
17. Which sequence describes the hierarchy level of biological
organization?: - Kingdom, Phylum, Class, Order, Family, Genus, Species
4 / peas?- : Mendel collaborated with others interested in genetics to develop heredity guidelines we still use today.
29. Which of the following is a component of a chromosome?: centromere
30. What solution has a pH of 7?: pure water
31. Which is classified as a type of acid-based reaction that produces a salt?:
Neu- tralization
32. Which of the following determines the strength of an acidic solution?:
Measured pH value less than 7
33. What type of bond forms between nitrogen and oxygen, and why?:
covalent, because electrons are shared
34. Which of the following atoms is a cation?: 82 protons, 125 neutrons, 78
electrons Because it has more protons than electrons, this atom has a positive charge and can be classified as a cation.
35. A spoonful of sugar is added to a hot cup of tea. All the sugar dissolves.
How can the resulting solution be described?: Unsaturated and homogeneous
36. In the following
single-replacement reaction, replaces
. Cl2+2NaI -> 2NaCl+I2: Chlorine, Iodine
37. is dependent not only on the temperature, but also on the
amount of substance available.: evaporation
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38. During which of the following phase changes will the cohesion
between the particles in a substance decrease?: vaporization
39. In which state of matter are the intermolecular forces between
particles in a substance the strongest?: solid
40. Mendel
discovered the pattern associated with after developing a series of rules in genetics.: heredity
41. The sequence of amino acids in a gene determines.: primary structure of a
protein
42. Which is true regarding the Urinary system? (Select all that apply.): Kidney
helps regulate water balance. Regulates levels of electrolytes such as sodium and potassium. Eliminates metabolic waste.
43. During the aging process, not all hormone levels decrease; some
actually increase. Which of the following is a hormone that may increase as a person ages?: luteinizing hormone
44. What phase is the cell cycle part of?: Interphase
45. In which state of matter do the particles of iron have the lowest
amount of cohesion?: Gaseous iron particles have the lowest amount of cohesion
46. A person is diagnosed as having acidosis, a condition in which the
blood pH is below 7.45. What does the doctor most likely conclude?: Too much
