Bio 169 Final exam; Questions & Answers 100% Correct
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Course
Bio 169
Institution
Bio 169
Bio 169 Final exam; Questions & Answers
100% Correct
Erythropoietin Correct answer-Is secreted by the kidney
The function of the pericardial fluid is to Correct answer-reduce friction between the
pericardial membranes
Match the type of chemical messenger with its description. Correct answer-A...
Bio 169 Final exam; Questions & Answers
100% Correct
Erythropoietin Correct answer-Is secreted by the kidney
The function of the pericardial fluid is to Correct answer-reduce friction between the
pericardial membranes
Match the type of chemical messenger with its description. Correct answer-Autocrine:
stimulates the cell that originally secreted it
Endocrine: secreted by glands and cells; acts upon distant target tissues
Paracrine: secreted by one cell; acts upon nearby cells
Neurotransmitter: secreted by neurons into a synaptic cleft
What is not an accurate description of the pituitary gland Correct answer-It is divided
functionally into the superior and inferior pituitary glands
Peripheral chemoreceptors Correct answer-Are located in the aortic and carotid bodies
Match the type of pancreatic islet cell with the hormone it secretes Correct answer-Beta
cells: insulin
Alpha cells: glucagon
Delta cells: somatostatin
, Bio 169 Final exam; Questions & Answers
100% Correct
The chordae tendineae Correct answer-Connect the cusps of the AV valves to the
papillary muscles
Epinephrine Correct answer-Causes vasodilation of coronary blood vessels
Which of the following would occur as a result of increased renin release by the kidneys
Correct answer-an increase in blood volume
The axons of the neurosecretory neurons extend through the infundibulum, forming the
Correct answer-hypothalamohypophysial tract
Type AB blood Correct answer-Has both A and B antigens on the red cells
When comparing cardiac muscle cells and skeletal muscle cells Correct answer-action
potentials are conducted from cell to cell only in cardiac muscle
Match the items in the left column with the correct answers on the right column Correct
answer-Secretions travel in the bloodstream: Endocrine system
Secretions travel through ducts: Exocrine system
Testosterone: example of endocrine secretion
Digestive enzymes: example of exocrine secretion
, Bio 169 Final exam; Questions & Answers
100% Correct
The valve located between the right ventricle and the pulmonary trunk is the Correct
answer-pulmonary semilunar valve
Resistance to blood flow is greatest in Correct answer-arterioles
Why would a person have anti-Rh antibodies present in their blood Correct answer-an
Rh-negative woman is carrying an Rh-positive fetus.
Which is not a way that parathyroid hormone affects calcium levels in the blood Correct
answer-Increases blood phosphate levels
Stroke volume is increased by Correct answer-increased venous return
Indicate which pair of hormones act antagonistically to one another Correct answer-
insulin and glucagon
The posterior pituitary secretes Correct answer-Neurohormones
John is taking a run before getting ready for work. Even though it's before breakfast, his energy
levels remain steady as his body responds to maintain blood glucose levels. Which of the
following is not occurring during his run? Correct answer-Sympathetic stimulation causes
an increase in insulin secretion
, Bio 169 Final exam; Questions & Answers
100% Correct
If a diseased thyroid gland was unable to produce normal levels of TH, which of the following
may result? Correct answer-Secretion of TSH would increase.
The oxygenated form of hemoglobin is called Correct answer-oxyhemoglobin
During the isovolumetric contraction period of the cardiac cycle, Correct answer-AV and
semilunar valves are closed
If cortisol levels increase above homeostatic levels, which of the following would occur
Correct answer-ACTH levels will decline due to negative feedback inhibition
Match the chemical messenger with its function Correct answer-Endorphins: reduction of
pain sensation
Interleukin-2: stimulation of cell division of T lymphocytes
Epidermal growth factor: stimulation of cell division
Indicate the type of drug described Correct answer-The drug in asthma inhalers binds to
epinephrine receptors, stimulates the relaxation of the smooth muscle in the lung airways:
agonist
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