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APHY 102 Final Exam with 100% correct answers | verified | latest update 2024
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APHY 102 Final Exam with 100% correct answers | verified | latest update 2024
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APHY 102 Final ExamNormal heart sounds are caused by which of the following events? - ANS-Closure of the
heart valves
The left ventricular wall of the heart is thicker than the right wall in order to - ANS-Pump
blood with greater pressure
What happens when the tricuspid valve is closed - ANS-Prevents blood from backing
into the right atrium
If cardiac muscle is deprived of its normal blood supply, damage would primarily result
from? - ANS-Decreased delivery of oxygen
If the vagal nerves to the heart were cute, the result would be that - ANS-The heart rate
would increase by about 25 bpm.
The heart would stop
Foramen Ovale - ANS-Connects the two atria in the fetal heart
What is the name for the sac in which the heart is found? - ANS-Pericardium
Blood enters which of these vessels during ventricular systole? - ANS-Aorta and
Pulmonary Veins
Hemorrhage with a large loss of blood cases what? - ANS-A lowering of blood pressure
due to change in cardiac output due to a decrease in blood volume
Parts of the electrical conduction system of the heart? - ANS-SA Node, AV Node,
Bundle of HIS, bundle branches
Select the correct statement about cardiac output - ANS-A slow heart rate increases
end diastolic volume, stroke volume, and force of contraction
Isovolumetric Contraction - ANS-Refers to the short period during ventricular systole
when the ventricles are completely closed chambers.
What would increase heart rate? - ANS-Sympathetic
, The circulatory route that runs from the digestive tract to the liver is called -
ANS-Hepatic Portal Circulation
What mineral/ion is parathyroid hormone responsible for regulating? - ANS-Calcium
Aldosterone will - ANS-reabsorb sodium
Which of the following is part of the endocrine system? - ANS-Pituitary, thyroid,
parathyroid, thymus, adrenal, pancreas, ovaries, testes
During fight-or-flight response, which hormone is released in large amounts - ANS-CRH
The major target of the hormone TSH is the - ANS-Thyroid gland
What hormone is related to ovum production? - ANS-FSH
What organ in the body regulates erythrocyte production - ANS-Kidney
Select the correct statement about factors that influence blood pressure - ANS-Excess
red cell production would cause a blood pressure increase
Regulating hormones from the hypothalamus target? - ANS-First enter into the
hypophyseal portal system.
The second-messenger mechanism of hormone action operates by - ANS-Binding to
specific receptors and employing the services of G proteins and cAMP
What is the function of insulin? - ANS-Decrease blood glucose
Which hormones increase the metabolic rate - ANS-thyroid hormone
The anterior pituitary is also known as - ANS-adenohypophysis or pars anterior
Which of these hormones is produces by the adrenal glands - ANS-Mineralcorticoids
(aldosterone)
Glucocorticoids (cortisol)
Adrenal Androgens (DHEA)
Factors that aid venous return include all except - ANS-Urinary output
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