AND ANSWERS {100%CORRECT} GRADED A+
1. Respiratory System Oxygen/carbon
dioxide exchange
(Lungs, trachea,
larynx, nasal
cavities, and
pharynx)
2. Breakdown of which of the following begins in the A. Fats
small intestine?
A. Fats
B. Fiber
C. Proteins
D. Carbohydrates
3. Which of the following is the tube that carries both B. Urethra
sperm and urine for release outside the body?
A. Ureter
B. Urethra
C. Vans deferens
D. Epididymis
4. Which of the following is the region of the kidney that C. Cortex
contains the glomerulus of the nephron?
A. Medulla
B. Pelvis
C. Cortex
D. Adrenal
5. Which of the following anti-body-secreting cells is B. B-lymphocytes
triggered to proliferate upon vaccination?
A. Erythrocytes
B. B-lymphocytes
C. Leukocytes
D. T-lymphocytes
6. Which of the following produces ammonia by deami- A. Proteins
nation in the liver?
A. Proteins
B. Carbohydrates
, BIOLOGY ATI TEAS Exam
C. Nucleic acids
D. Lipids
7. A cross between two heterozygous F1 plants pro- B. Modified dihy-
duces a ratio of 15:1 in the F2 offspring. Which of the brid ratio
following best describes the ratio?
A. Modified monohybrid ratio The normal di-
B. Modified dihybrid ratio hybrid ratio is
C. Normal monohybrid ratio 9:3:3:1, so this isi
D. Normal dihybrid ratio a modified dihybrid
ratio. The monohy-
brid ratio is 3:1.
8. Which of the following best describes matter in which B. Element
the components cannot be broken down into simpler
substances? An element is a
A. Molecule substance made
B. Element of a single type
C. Mixture of atoms that are
D. Compound generally held to-
gether by physical
forces.
9. Which of the following formulas best summarizes a B. AB+C= AC+B
simple replacement reaction?
A. A+B= AB This is a single
B. AB+C= AC+B replacement reac-
C. AB+CD= AD+BC tion because ele-
D. AB= A+B ment B is replaced
by element C.
10. Which of the following structures stores urine before C. Bladder
excretion?
A. Kidneys
B. Ureters
C. Bladder
D. Urethra
11. Which of the following structures is an irregularly D. Vertebra
shaped bone?
, BIOLOGY ATI TEAS Exam
A. Femur Vertebrae are ir-
B. Metacarpal regular bones. The
C. Rib femur is a long
D. Vertebra bone. Metacarpals
are short bones.
Ribs are flat
bones.
12. In which of the following stages of embroylogical de- C. Gastrula
velopment are the main germ layers (ectoderm, endo-
derm, and mesoderm) formed? During the gas-
A. Blastula trula stage, the
B. Morula germ layers are
C. Gastrula formed. During the
D. Fetus blastula stage, the
inner cell pmass
and blastopore are
formed. Embryo-
genesis is com-
pleted by the fetus
stage.
13. Which of the following nervous system directs D. Sympathetic
the skeletal muscles to respond in the body's
fight-or-flight response? The Sympa-
A. Enteric thetic Nervous
B. Central System acti-
C. Parasympathetic vates the body;s
D. Sympathetic fight-or-flight re-
sponse. In the
presence of
stress, the heart
beats faster and
stronger, more
blood is carried to
the vital organs,
and the pupils di-
late to prepare
the body to de-