TEAS 123 Science "Realistic Practice Exams Well Solved: Test Yourself Before the Big Day!"|26 Pages
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Course
Teas
Institution
Teas
Assuming each macromolecule is of equal weight, which of the following macromolecules would have the greatest number of C-H bonds?
A) polypeptide
B) saturated fatty acid
C) polysaccharide
D) unsaturated fatty acid - ️️B
In its final stage, the HIV virus disrupts the immune system by which ...
Assuming each macromolecule is of equal weight, which of the following macromolecules would have
the greatest number of C-H bonds?
A) polypeptide
B) saturated fatty acid
C) polysaccharide
D) unsaturated fatty acid - ✔ ✔ B
In its final stage, the HIV virus disrupts the immune system by which of the following methods?
A) destroying lymphatic cells that contain an antigen signature
B) favoring the production of memory cells over immunoglobulins
C) overproducing IgE and triggering a histamine reaction
D) preventing the activation of cytotoxic T cells - ✔ ✔ D
In the alveolar capillaries, blood returning from the body transfers carbon dioxide to the air in the lungs
by _______ and receives oxygen by ________.
A) osmosis; osmosis
B) osmosis; diffusion
C) diffusion; osmosis
D) diffusion; diffusion - ✔ ✔ D
In which of the following organs is testosterone primarily made?
A) testes
B) uterus
C) ovaries
,D) penis - ✔ ✔ A
In which of the following would blood pressure be the highest?
A) aorta
B) capillaries
C) pulmonary arteries
D) vena cavca - ✔ ✔ A
At what point can a substance exist as a solid, liquid, and gas simultaneously?
A) boiling point
B) freezing point
C) triple point
D) critical point - ✔ ✔ C
A buildup of urea, a nitrogenous waste product of protein metabolism, in the body is most likely due to
the failure of which organ system?
A) urinary
B) endocrine
C) digestive
D) immune - ✔ ✔ A
A person complains of sciatica, pain that shoots from the lower back through the hips and legs. What is
the most likely cause?
A) herniated lumbar disc
B) fractured coccyx
C) bruised calf muscle
D) myocardial infarction - ✔ ✔ A
A recent editorial critical of a political candidate alleged, among other things, that she is more popular
with less educated voters than with those with more education. The candidate believes that she is
equally popular among voters across all levels of education. Her campaign manager wants to conduct a
poll to ascertain which belie is correct. What would be an appropriate null hypothesis to test with the
poll?
, A) the candidate is more popular among voters with less education than voters with more education
B) other candidates are more popular among voters with more education
C) there is no correlation between the candidate's popularity and voters' income levels
D) there is no correlation between the candidate's popularity and voters' education - ✔ ✔ D
A rectangular block of a certain substance is 4 cm wide, 5 cm long, and 2 cm high. The block has a mass
of 30 grams. What is the density of this substance?
A) 0.75 g/cc
B) 1.33 cc/g
C) 7.5 g/cc
D) 40 cc - ✔ ✔ A
A student has a brass cube with the following marking: 300 cg. What is another way to express the
weight of the cube?
A) 3 milligrams
B) 3 centimeters
C) 3 grams
D) 3 decagrams - ✔ ✔ C
After passing through the collecting duct, urine flows into which of the following genitourinary
structures?
A) bladder
B) nephron
C) ureter
D) urethra - ✔ ✔ C
After passing through the pyloric sphincter, a food high in protein would be in which of the following
states?
A) acidic and partially digested
B) acidic and completely digested
C) alkaline and partially digested
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