TEAS 7 Science Practice Test Questions and answers

TEAS 7 Science Practice Test Questions
and answers


Which blood group is a universal donor?
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a. A YUYU




b. B YUYU




c. AB YUYU




d. O - (correct answer) -d. O
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Blood oxygen levels are most likely low when blood
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a. leaves the aorta
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b. fills the right atrium
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c. reaches body tissues
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d. flows through ateries - (correct answer) -b. fills the right atrium with
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An intracellular chemical signal can be produced in the cell membrane. Once it is
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produced, where does it go?
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a. To a different cell
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b. To another part of the cell
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c. To a region right outside the cell
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,d. To an area with high ion concentration - (correct answer) -b. To another part of the
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cell
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After food has been masticated in the oral cavity, where does it go next?
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a. Colon
YUYU




b. Liver
YUYU




c. Pancreas
YUYU




d. Pharynx - (correct answer) -d. Pharynx
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The diffusion of nutrients through the walls of the digestive system is critical to
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homeostasis in the body. Where does the majority of this diffusion take place in the
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digestive system?
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a. Stomach
YUYU




b. Esophagus
YUYU




c. Oral cavity
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d. Small intestine - (correct answer) -d. Small intestine
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As soon as an invader, known as a(n) ______________, enters the body, the body begins
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to fight.
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a. antibody
YUYU




b. pathogen
YUYU




c. trigger
YUYU




d. vaccination - (correct answer) -b. pathogen
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, Where is skeletal muscle found?
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a. Inside the heart
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b. Attached to bone
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c. Lining the walls of the bladder
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d. Within the gastrointestinal tract - (correct answer) -b. Attached to bone
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If a person smells something sweet, what form of information is this initially perceived as
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in the nervous system?
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a. Cognitive
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b. Integrative
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c. Motor
YUYU




d. Sensory - (correct answer) -d. Sensory
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While hiking, a person is startled after encountering a bear. Her palms get sweaty and
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her heart starts racing. Which part of her nervous system was directly stimulated?
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a. Central
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b. Parasympathetic
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c. Somatic
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d. Sympathetic - (correct answer) -d. Sympathetic
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Parasympathetic = Peace YUYU YUYU




Sympathetic = Stress YUYU YUYU