Human Physiology 14th Edition
July 19, 2017
Light is refracted the most by the
The movement of semen into the urethra is called
Over-secretion of growth hormone in children causes
Which regulatory molecule cannot enter its target cell?
C. nitric oxide
D. epinephrine AND acetylcholine
A cranial nerve with only sensory fibers is the
A. hypoglossal nerve.
B. vestibulocochlear nerve.
C. vagus nerve.
D. trigeminal nerve.
The model that describes how an enzyme can adjust its shape to fit the shape of the
substrate is the
A. lock-and-key model.
B. enzyme-substrate model.
C. induced-fit model.
D. conformational model.
Glucose transported via the GLUT carrier is characterized as
A. active transport.
B. passive transport.
D. receptor-mediated endocytosis.
Which type of muscle has the greatest capillary density?
The secretory phase of the endometrium occurs when the ovary is in the
As the magnitude of a generator potential increases the _____________ of action
potentials in the sensory neuron increases.
The brain produces lipid neurotransmitters called
D. nitric oxide.
Which of the following is NOT a function of neuroglia?
A.bind neurons together
B.help nourish neurons
C.conduct impulses to effectors
D.modify the extracellular environment of neurons
Where is oxytocin produced?
C.anterior pituitary gland
D.posterior pituitary gland
Damage to upper motor neurons would be indicated by all of the following except
Slow waves of the intestine are conducted through what type of cells?
The Golgi apparatus is involved in
A. intracellular calcium storage.
B. adding carbohydrates to proteins.
C. degradation of organelles.
D. mitotic chromosomal movement.
Which of the following is NOT produced by the liver?
A.hydroxylated steroid hormones
Which of the following is NOT an example of positive feedback?
C.blood glucose maintenance
A hypothesis is scientific if it
A.supports other hypotheses.
B.can be tested.
C.refutes other hypotheses.
D.uses observational analyses.
Hypertension may cause
A. increased afterload.
B. hypertrophy of the ventricles and valve defects.
C. broken capillaries in tissues and organs.
D. All apply.
This group of organic compounds acts as surfactants:
Once a B lymphocyte has been activated to an antigen, it travels to a secondary
lymphoid organ and forms a ______ where cloning occurs.
Alpha-1-adrenergic receptors are mediated by
Relaxation of cerebral blood vessels would be stimulated by excessive ________
A. nitric oxide
During reduction, a molecule or atom
A.gains protons or gains electrons.
B.loses protons or gains electrons.
C.gains protons or loses electrons.
D.loses protons or loses electrons.
The rate at which a chemical reaction can be increased is by either ______________ the
temperature or ______________ the activation energy.
The spooling of DNA around histones creates particles called
Normal alveolar P
A.40 mm Hg.
B.46 mm Hg.
C.100 mm Hg.
D.105 mm Hg.
The normal effect of -endorphin can be blocked by
Muscles which move a limb away the midline of the body are termed as
A. abductor muscles.
B. adductor muscles.
C. extensor muscles.
D. flexor muscles.
The membrane of resting nerve cells is more permeable to ____________ ions than
A. sodium, potassium
B. calcium, potassium
C. potassium, sodium
D. chloride, potassium
A continual recycling of electrical waves through the myocardium is called
D.SA node block.
Enterogasterone will _____ gastric function.
C.have no effect on
Blocking ____________ channels would prevent neuron depolarization.
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Human Physiology 14th Edition