TEAS 7 science
In which of the following areas does protein breakdown begin in the human body?
a) mouth
b) stomach
c) small intestine
d) large intestine correct answers a) mouth
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 correct answers d) B cells
Which of the following organ systems is responsible for transporting nutrients, wastes,
and other substances through out the human body?
a) respiratory
b) immune
c) nervous
d) circulatory correct answers d) circulatory
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 correct answers b) heterotrophic with a
genome stored in DNA
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 correct answers d) filter debris from intracellular
spaces
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 correct answers a) myosin
,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 correct answers b) lysosome
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 entering and
leaving cytoplasm correct answers d) a phospholipid bilayer with embedded proteins
regulates molecules entering and leaving cytoplasm
Which of the following chemical compounds prevents the lungs from collapsing?
a) mucus
b) surfactant
c) enzymes
d) buffers correct answers b) surfactant
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 correct answers d) epiglottis
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 correct answers c) larynx
Unlike skeletal muscle, cardiac muscle is highly resistant to lactate-mediated 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 correct answers a) uses aerobic
respiration in mitochondria for energy
, Which of the following arteries directly supplies oxygenated blood to the reproductive
system?
a) common carotid artery
b) gonadal artery
c) femoral artery
D) subclavian artery correct answers b) gonadal artery
Which of the following options represents the chromosomal composition of a normal
zygote?
a) 23
b) 46
c) 69
d) 92 correct answers b) 46
Which of the following cell types provides a waterproofing function for the outer layers of
skin?
a) melanocytes
b) keratinocytes
c) merkel cells
d) langerhans cells correct answers b) keratinocytes
Which of the following produces progesterone to prepare the uterus for pregnancy?
a) endometrium
b) cervix
c) corpus luteum
d) Fallopian tubes correct answers c) corpus luteum
Subcutaneous fat can be found in which of the following layers of the skin in the human
body?
a) epidermis
b) dermis
c) hypedermis
d) dermal papillae correct answers c) hypodermis
Which of the following glands primarily supplies hair shafts and skin with oily
secretionS?
a) eccrine
b) apocrine
c) sebaceous
d) ceruminous correct answers c) sebaceous
Which of the following glands is the primary producer of insulin?
a) thyroid
b) adrenal
c) pituitary
d) pancreas correct answers d) pancreas
In which of the following areas does protein breakdown begin in the human body?
a) mouth
b) stomach
c) small intestine
d) large intestine correct answers a) mouth
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 correct answers d) B cells
Which of the following organ systems is responsible for transporting nutrients, wastes,
and other substances through out the human body?
a) respiratory
b) immune
c) nervous
d) circulatory correct answers d) circulatory
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 correct answers b) heterotrophic with a
genome stored in DNA
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 correct answers d) filter debris from intracellular
spaces
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 correct answers a) myosin
,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 correct answers b) lysosome
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 entering and
leaving cytoplasm correct answers d) a phospholipid bilayer with embedded proteins
regulates molecules entering and leaving cytoplasm
Which of the following chemical compounds prevents the lungs from collapsing?
a) mucus
b) surfactant
c) enzymes
d) buffers correct answers b) surfactant
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 correct answers d) epiglottis
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 correct answers c) larynx
Unlike skeletal muscle, cardiac muscle is highly resistant to lactate-mediated 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 correct answers a) uses aerobic
respiration in mitochondria for energy
, Which of the following arteries directly supplies oxygenated blood to the reproductive
system?
a) common carotid artery
b) gonadal artery
c) femoral artery
D) subclavian artery correct answers b) gonadal artery
Which of the following options represents the chromosomal composition of a normal
zygote?
a) 23
b) 46
c) 69
d) 92 correct answers b) 46
Which of the following cell types provides a waterproofing function for the outer layers of
skin?
a) melanocytes
b) keratinocytes
c) merkel cells
d) langerhans cells correct answers b) keratinocytes
Which of the following produces progesterone to prepare the uterus for pregnancy?
a) endometrium
b) cervix
c) corpus luteum
d) Fallopian tubes correct answers c) corpus luteum
Subcutaneous fat can be found in which of the following layers of the skin in the human
body?
a) epidermis
b) dermis
c) hypedermis
d) dermal papillae correct answers c) hypodermis
Which of the following glands primarily supplies hair shafts and skin with oily
secretionS?
a) eccrine
b) apocrine
c) sebaceous
d) ceruminous correct answers c) sebaceous
Which of the following glands is the primary producer of insulin?
a) thyroid
b) adrenal
c) pituitary
d) pancreas correct answers d) pancreas
