BIO 169 Final Exam | Questions And Answers Latest {2024- 2025} A+ Graded
| 100% Verified
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
Indicate the type of drug described - The drug in asthma inhalers binds to epinephrine receptors,
stimulates the relaxation of the smooth muscle in the lung airways: agonist
A drug prevents platelet aggregation by binding to epinephrine receptors on platelets and inhibits their
normal action: antagonist
The ability of white blood cells to leave the circulation and enter tissues is called - diapedesis
What condition may be the cause of hyperglycemia, depressed immune system, and redistribution of
fats from limbs to the face, neck, and abdomen - Cushing syndrome
During exercise, the oxygen-hemoglobin dissociation curve - Shifts to the right
| 100% Verified
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
Indicate the type of drug described - The drug in asthma inhalers binds to epinephrine receptors,
stimulates the relaxation of the smooth muscle in the lung airways: agonist
A drug prevents platelet aggregation by binding to epinephrine receptors on platelets and inhibits their
normal action: antagonist
The ability of white blood cells to leave the circulation and enter tissues is called - diapedesis
What condition may be the cause of hyperglycemia, depressed immune system, and redistribution of
fats from limbs to the face, neck, and abdomen - Cushing syndrome
During exercise, the oxygen-hemoglobin dissociation curve - Shifts to the right
