APHY 102 Final Exam 2023 Questions and Answers Complete
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APHY 102 Final Exam 2023 Questions and Answers Complete
Pheromones differ from hormones in that
they are transmitted between members of the same species
With age,
levels of GH decrease but of ADH increase
Diabetes insipidus is caused by
ADH deficiency
A hormone is a __ and the target cell ...
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APHY 102 Final Exam 2023 Questions and Answers
Complete
Pheromones differ from hormones in that
they are transmitted between members of the same species
With age,
levels of GH decrease but of ADH increase
Diabetes insipidus is caused by
ADH deficiency
A hormone is a __ and the target cell is __
molecule that has a metabolic effect on another cell: a cell that has receptors for
specific hormones
What organ has both endocrine and exocrine functions?
Pancreas
Exocrine glands differ from endocrine glands in that exocrine glands...
secrete through ducts or tubes
Secretion of glucagon causes
an increases in the concentration of blood glucose
The thalamus controls secretion of pituitary hormones.
False
The secretion of parathyroid hormone is controlled by the
concentration of blood calcium
The pineal gland is
attached to the thalamus
Nonsteroid hormones include peptides, proteins and amines.
True
A steroid hormone acts on a target cell by
directly causing protein synthesis
Steroid hormones diffuse through cell membranes.
True
Which hormone requires a releasing hormone from the hypothalamus?
Prolactin
The sex hormones from the adrenal cortex are primarily androgens.
True
A person under stress may have a lowered resistance to infection.
True
The hormone that stimulates calcium deposition into bone is
calcitonin
Erythroblasts fetalis may occur in
a second Rh-positive fetus developing in an Rh-negative women
Which two mature blood cell types descend from myeloblasts?
Meutrophilis and basophils
What accounts for the smallest percentage of leukocytes in a blood sample?
Basophils
What is the correct sequence for differentiation of a red blood cell?
, Hematopoietic stem cell, erythroblast, reticulocyte, erythrocyte
In edema
tissue swell with fluid
A blood clot that forms abnormally in a blood vessel is an
thrombus
Persons with type AB blood are sometimes called universal donors.
False
Hematocrit is
the percent of red blood cells in a blood smaple
The normal white blood cell count is
4,500-10,000
A person with type A blood can successfully donate blood to a person with type
___ blood.
A
"Formed elements" are....
blood cells and platelets
What is the most active phagocyte?
Neutrophils
Pus is composed of
bacteria, white blood cells and damaged cells
Circulation is vital because it
supplies oxygen and nutrients to and removes wastes from tissues
When a person's pulse is taken by palpation near the thumb on the wrist, which
artery is felt?
Radial artery
The pulmonary circuit
sends oxygen poor blood to the lungs
When the ventricular walls contract,
the mitral and tricuspid valves close
When venous pressure is too low, ____ stimulates smooth muscles in the walls of
veins to contract.
sympathetic reflexes
What is not a factor of developing atherosclerosis?
Low blood pressure
P wave
depolarization of atria
What is true about the heart?
The apex end points down at about the 5th intercostal space
The T wave is caused by
repolarization of ventricular muscle fibers
Arterial systolic pressure is most closely associated with
ventricular contraction
Sequence of blood moving from vena cava to lungs
Right atrium, tricuspid valve, right ventricle, pulmonary valve
The systemic circuit
sends oxygen rich blood to the tissues
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