Bio 169 Final exam Questions and
AnswersBio 169 Final exam Questions and
AnswersBio 169 Final exam Questions and
AnswersBio 169 Final exam Questions and
AnswersBio 169 Final exam Questions and
AnswersBio 169 Final exam Questions and
AnswersBio 169 Final exam Questions and
AnswersBio 1...
Bio 169 Final exam Questions and
Answers
Erythropoietin
✓ ~~~Is secreted by the kidney
The function of the pericardial fluid is to
✓ ~~~reduce friction between the pericardial membranes
Match the type of chemical messenger with its description.
✓ ~~~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
✓ ~~~It is divided functionally into the superior and inferior pituitary glands
Peripheral chemoreceptors
✓ ~~~Are located in the aortic and carotid bodies
Match the type of pancreatic islet cell with the hormone it secretes
✓ ~~~Beta cells: insulin
Alpha cells: glucagon
Delta cells: somatostatin
,The chordae tendineae
✓ ~~~Connect the cusps of the AV valves to the papillary muscles
Epinephrine
✓ ~~~Causes vasodilation of coronary blood vessels
Which of the following would occur as a result of increased renin release by the
kidneys
✓ ~~~an increase in blood volume
The axons of the neurosecretory neurons extend through the infundibulum, forming
the
✓ ~~~hypothalamohypophysial tract
Type AB blood
✓ ~~~Has both A and B antigens on the red cells
When comparing cardiac muscle cells and skeletal muscle cells
✓ ~~~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
✓ ~~~Secretions travel in the bloodstream: Endocrine system
Secretions travel through ducts: Exocrine system
Testosterone: example of endocrine secretion
,Digestive enzymes: example of exocrine secretion
The valve located between the right ventricle and the pulmonary trunk is the
✓ ~~~pulmonary semilunar valve
Resistance to blood flow is greatest in
✓ ~~~arterioles
Why would a person have anti-Rh antibodies present in their blood
✓ ~~~an Rh-negative woman is carrying an Rh-positive fetus.
Which is not a way that parathyroid hormone affects calcium levels in the blood
✓ ~~~Increases blood phosphate levels
Stroke volume is increased by
✓ ~~~increased venous return
Indicate which pair of hormones act antagonistically to one another
✓ ~~~insulin and glucagon
The posterior pituitary secretes
✓ ~~~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?
✓ ~~~Sympathetic stimulation causes an increase in insulin secretion
If a diseased thyroid gland was unable to produce normal levels of TH, which of the
following may result?
✓ ~~~Secretion of TSH would increase.
The oxygenated form of hemoglobin is called
✓ ~~~oxyhemoglobin
During the isovolumetric contraction period of the cardiac cycle,
✓ ~~~AV and semilunar valves are closed
If cortisol levels increase above homeostatic levels, which of the following would
occur
✓ ~~~ACTH levels will decline due to negative feedback inhibition
Match the chemical messenger with its function
✓ ~~~Endorphins: reduction of pain sensation
Prostaglandins: inflammation; uterine contractions
Interleukin-2: stimulation of cell division of T lymphocytes
Epidermal growth factor: stimulation of cell division
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