Indicate which represents the smallest proportion of the blood by percent volume. correct answers WBCs and platelets
The matrix of the blood is the ______. correct answers plasma
What is the hematocrit? correct answers A test that measures the percentage of formed elements in the blood
Whi...
BIOL 240 EXAM 4 || QUESTIONS & ANSWERS 100%
VERIFIED.
Indicate which represents the smallest proportion of the blood by percent volume. correct
answers WBCs and platelets
The matrix of the blood is the ______. correct answers plasma
What is the hematocrit? correct answers A test that measures the percentage of formed
elements in the blood
Which substances are found in blood plasma? Select all that apply. correct answers Gases
Proteins
Water
Plasma proteins that play various roles including solute transport and immunity are called
_______. correct answers globulin
All plasma proteins except globulin are produced by the _____. correct answers liver
Within the circulation, ______ is a complex cell-free solution of water, proteins, nutrients,
electrolytes, wastes, hormones, and gases. correct answers plasma
Plasma proteins perform many roles including ______. Select all that apply. correct answers
blood clotting
mineral transport
defense
The plasma protein that contributes to viscosity and osmolarity of the blood, and is also the
most abundant of the plasma proteins, is _____. correct answers albumin
Plasma proteins called gamma globulins are produced by ______. correct answers WBC
The least abundant of the formed elements are the _______. correct answers leukocytes
Leukocytes ______. Select all that apply. correct answers protect us against pathogens
have conspicuous nuclei
During most of their lifetime, leukocytes are found ______. correct answers residing in the
connective tissues
Spectrin and actin _______ proteins found on the inner membrane of the red blood cell.
correct answers cytoskeletal
Blood cells that afford protection against microorganisms, infections, and other pathogens are
called _____. correct answers leukocytes
Which are functions of platelets? Select all that apply. correct answers Vasoconstriction
Chemotaxis of neutrophils
, Secretion of procoagulants
Platelets are not cells but fragments of large cells called megakaryocytes found in the
______. correct answers bone marrow
The pancreas is located retroperitoneally and ______. correct answers posterior to the
stomach
What endocrine gland is located between the cerebral hemispheres, attached to the upper
portion of the thalamus near the roof of the third ventricle? correct answers hypothalamus
Where is the thymus located? correct answers In the mediastinum
What endocrine gland is located between the cerebral hemispheres, attached to the upper
portion of the thalamus near the roof of the third ventricle? correct answers pineal gland
Identify the statement that correctly describes neurotransmitter and hormone effects. correct
answers Neurotransmitters have short-lived effects within a limited area, while hormones
exert their effects throughout the body for longer periods of time.
Identify the correct statements regarding nervous and endocrine system communication
methods. Select all that apply. correct answers Cells of the endocrine system communicate
using chemical signals.
Cells of the nervous system communicate predominantly via electrical signals.
Cells of the nervous system communicate using chemical signals.
The endocrine organ that regulates primitive functions of the body, ranging from water
balance and thermoregulation to sex drive and childbirth is correct answers hypothalamus
Hormones that target another endocrine gland and stimulate that gland to produce more
hormones are called ______ hormones. correct answers trophic
The adrenal glands are found ______. correct answers superior to the kidneys
Where is the adrenal medulla? correct answers At the core of the adrenal gland, superior to
the kidney
Identify the secretions of the adrenal medulla. correct answers Dopamine
Norepinephrine
Epinephrine
Which substances are secreted by pancreatic islet cells? Select all that apply. correct answers
Glucagon
Insulin
Somatostatin
Identify the tissues and organs found outside the endocrine system that also secrete
hormones. Select all that apply correct answers Adipose tissue
Heart
Kidneys
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