BIO 256 FINAL EXAM 326 Questions and verified correct solutions.
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Biology
BIO 256 FINAL EXAM 326 Questions and verified correct solutions.
BIO 256 FINAL EXAM 326 Questions and verified correct solutions.
BIO 256 FINAL EXAM 326 Questions and verified correct solutions.
BIO 256 FINAL EXAM 326 Questions and verified correct solutions.
BIO 256 FINAL EXAM 326 Questions an...
BIO 256 FINAL EXAM 326 Questions and
verified correct solutions.
BIO 256 FINAL EXAM 326 Questions and
verified correct solutions.
Which is how you you take food into your digestive tract? - answer- ingestion
The process of deglutition results in - answer- passage of food from the oral cavity into
the esophagus.
Which phase of deglutition is controlled voluntarily? - answer- buccal
Pepsinogen, an inactive digestive enzyme, is secreted by the - answer- chief cells of the
stomach.
The small intestine receives ___ from the liver and gall bladder and ___ from the
pancreas. - answer- bile, pancreatic juice
Which is an exocrine product of the pancreas? - answer- amylase
Gastric inhibitory peptide (GIP) has what effect(s) on the stomach? - answer- It inhibits
gastric gland secretion and gastric motility
Which helps to neutralize the acidic chyme entering the duodenum from the stomach? -
answer- both pancreatic juice and bile
Which is NOT a beneficial function of the normal bacterial flora of the colon? - answer-
ferment indigestible carbohydrates, producing flatus
Which is NOT required for voluntary defecation? - answer- cholecystekinin secretion
The ingestion of a meal very high in fat content would cause which of the following to
occur? - answer- Bile would be released from the gallbladder to emulsify the fat in the
duodenum.
Select the correct statement about electrolyte absorption. - answer- Iron and calcium
are absorbed mostly in the small intestine.
In carbohydrate metabolism, the carbohydrates - answer- are converted into fat if
present in excess.
The most abundant dietary lipids are routinely oxidized for energy; these include -
answer- triglycerides.
,BIO 256 FINAL EXAM 326 Questions and
verified correct solutions.
Cells that absorb amino acids by Na+ cotransport must consequently balance
electrolyte(s) by - answer- pumping Na+ out of the cell by using active transport.
For absorption of vitamin B12, ____ made by the ____ is/are required. - answer-
intrinsic factor, stomach
The term metabolism is best defined as - answer- the sum of energy used by all the
chemical reactions and mechanical work of the body.
During normal conditions, proteins are essential to the body for all of the following
except - answer- production of energy.
When ketone bodies are present in the blood and urine in large amounts, it indicates
increased metabolism of - answer- fatty acids.
The liver synthesizes lipoproteins for cholesterol transport. Select another function of
the liver. - answer- synthesizes blood clotting factors
Which is not a function of cholesterol? - answer- Used for energy
It is thought that high levels of ____ are protective against heart attacks. - answer- HDL
The term energy output includes - answer- the energy lost as heat.
Which is true about BMR? - answer- Stress tends to increase your BMR.
When normal heat loss processes are ineffective in a hot environment, elevated body
temperatures can - answer- depress the hypothalamus and initiate heat stroke.
Which of the following glands surrounds the urethra and produces citrate and enzymes
that help to activate sperm? - answer- the prostate
Which is not a role of prostaglandins in semen? - answer- stimulate sperm to finish
meiosis so they can fertilize an ovum.
The ability of a male to ejaculate is due to the action of - answer- the bulbospongiosus
muscles.
After completion of meiosis, the human egg and sperm are similar because - answer-
they have the same number of chromosomes.
The testicular cells that construct the blood-testis barrier are the - answer- sustentacular
cells.
, BIO 256 FINAL EXAM 326 Questions and
verified correct solutions.
The brain-testicular axis - answer- involves FSH and LH release.
The female structure homologous to the penis is the - answer- clitoris
Meiosis in the female results in the production of - answer- one ovum and 2-3 polar
bodies.
Effects of estrogen include - answer- growth of the breasts at puberty.
Select the correct statement about the hormonal events of the ovarian cycle. - answer-
Positive feedback on the pituitary causes a spike in LH release, which triggers
ovulation.
When a young woman has her first menstrual period, she is in - answer- menarche.
Which developmental event occurs during the embryonic period? - answer- Most organs
and physical features appear.
How do acrosomal enzymes function in reproduction? - answer- They act to break down
the protective barriers around the egg, allowing the sperm to penetrate.
Cleavage as part of embryonic development is distinctive because it involves - answer-
cell division by mitosis with little or no growth between successive divisions.
Which hormone of a pregnant woman produces a maternal glucose-sparing effect,
allowing more glucose to go to the fetus? - answer- placental lactogen
The part of the endometrium surrounding the implanted embryo is the - answer- decidua
capsularis.
During which stage of labor is the fetus delivered? - answer- expulsion stage
A mother's first milk, rich in vitamin A, protein, minerals and antibodies, is called -
answer- colostrum.
Which is not in the conducting zone of the respiratory tree? - answer- alveoli
Decreased compliance is most characteristic of which pulmonary disorder? - answer-
pulmonary fibrosis
Most digestion and absorption occurs in the - answer- Small intestine.
Which hormone helps you to keep warmer in a chilly room? - answer- thyroxin
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