TEAS 7 SCIENCE
1. In which of the following areas does protein breakdown begin in the human body?
a) mouth
b) stomach
c) small intestine
d) large intestine: a) mouth
2. Which of the following cell types is responsible for the production of soluble antibodies?
a) cytotoxic T cells
b) macropage cell
c) helper t cells
d) B cells: d) B cells
3. Which of the following organ systems is responsible for transporting nutri- ents, wastes, and
other substances through out the human body?
a) respiratory
b) immune
c) nervous
d) circulatory: d) circulatory
4. Which of the following is characteristic of the human organism?
a) autotrophic with a genome stored in DNA
,b) heterotrophic with a genome stored in DNA
c) autotrophic with a genome stored in RNA
d) heterotrophic with a genome stored in RNA: b) heterotrophic with a genome stored in DNA
5. Which of the following is the function of the lymph nodes in mammals?
a) pump oxygen into tissues spaces
b) store extra glucose for emergencies
c) synthesize hemoglobin for erthrocytes
d) filter debris from intracellular spaces: d) filter debris from intracellular spaces
6. The bands in the muscle sarcomere are formed by actin and which of the following other
proteins?
a) myosin
b) dynein
c) keratin
d) myofibril: a) myosin
7. Which of the following structures within a human cell is responsible for recycling the
material no longer functional or needed within the cell?
a) ribosome
b) lysosome
,c) mitochondrion
d) nucleolus: b) lysosome
8. Which of the following is the correct structure and function of the cell membrane?
a) a double glycoprotein structure with embedded lipid bodies provides shape and rigidity to the
cytoplasm
b) A double layer of phosphate proteins with lipid channels allows molecules to pass from the
inside to the outside of cells
c) nonpolar phosphate heads and polar lips tails form a bilayer to control the transport of
proteins
d) a phospholipid bilayer with embedded proteins regulates molecules en- tering and leaving
cytoplasm: d) a phospholipid bilayer with embedded proteins regulates molecules entering and
leaving cytoplasm
9. Which of the following chemical compounds prevents the lungs from col- lapsing?
a) mucus
b) surfactant
c) enzymes
d) buffers: b) surfactant
10.Which of the following structures diverts food into the esophagus and prevents it from
, entering the lungs?
a) uvula
b) soft palate
c) tonsils
d) epiglottis: d) epiglottis
11.Which of the following terms related to the respiratory system refers to the voice box for
sound production?
a) pharynx
b) trachea
c) larynx
d) uvula: c) larynx
12.Unlike skeletal muscle, cardiac muscle is highly resistant to lactate-medi- ated fatigue
because cardiac muscle
a) uses aerobic respiration in mitochondria for energy
b) operates with electrical energy supplied by the sinoatrial (SA) node
c) primarily metabolizes glucose using the fermentation pathway
d) does not need oxygen for the production of energy: a) uses aerobic respira- tion in mitochondria
for energy
1. In which of the following areas does protein breakdown begin in the human body?
a) mouth
b) stomach
c) small intestine
d) large intestine: a) mouth
2. Which of the following cell types is responsible for the production of soluble antibodies?
a) cytotoxic T cells
b) macropage cell
c) helper t cells
d) B cells: d) B cells
3. Which of the following organ systems is responsible for transporting nutri- ents, wastes, and
other substances through out the human body?
a) respiratory
b) immune
c) nervous
d) circulatory: d) circulatory
4. Which of the following is characteristic of the human organism?
a) autotrophic with a genome stored in DNA
,b) heterotrophic with a genome stored in DNA
c) autotrophic with a genome stored in RNA
d) heterotrophic with a genome stored in RNA: b) heterotrophic with a genome stored in DNA
5. Which of the following is the function of the lymph nodes in mammals?
a) pump oxygen into tissues spaces
b) store extra glucose for emergencies
c) synthesize hemoglobin for erthrocytes
d) filter debris from intracellular spaces: d) filter debris from intracellular spaces
6. The bands in the muscle sarcomere are formed by actin and which of the following other
proteins?
a) myosin
b) dynein
c) keratin
d) myofibril: a) myosin
7. Which of the following structures within a human cell is responsible for recycling the
material no longer functional or needed within the cell?
a) ribosome
b) lysosome
,c) mitochondrion
d) nucleolus: b) lysosome
8. Which of the following is the correct structure and function of the cell membrane?
a) a double glycoprotein structure with embedded lipid bodies provides shape and rigidity to the
cytoplasm
b) A double layer of phosphate proteins with lipid channels allows molecules to pass from the
inside to the outside of cells
c) nonpolar phosphate heads and polar lips tails form a bilayer to control the transport of
proteins
d) a phospholipid bilayer with embedded proteins regulates molecules en- tering and leaving
cytoplasm: d) a phospholipid bilayer with embedded proteins regulates molecules entering and
leaving cytoplasm
9. Which of the following chemical compounds prevents the lungs from col- lapsing?
a) mucus
b) surfactant
c) enzymes
d) buffers: b) surfactant
10.Which of the following structures diverts food into the esophagus and prevents it from
, entering the lungs?
a) uvula
b) soft palate
c) tonsils
d) epiglottis: d) epiglottis
11.Which of the following terms related to the respiratory system refers to the voice box for
sound production?
a) pharynx
b) trachea
c) larynx
d) uvula: c) larynx
12.Unlike skeletal muscle, cardiac muscle is highly resistant to lactate-medi- ated fatigue
because cardiac muscle
a) uses aerobic respiration in mitochondria for energy
b) operates with electrical energy supplied by the sinoatrial (SA) node
c) primarily metabolizes glucose using the fermentation pathway
d) does not need oxygen for the production of energy: a) uses aerobic respira- tion in mitochondria
for energy
