Midterm Flashcards
Compared to the nervous system, the endocrine system ______.
may have a longer lasting effect
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.
In an ECG pattern, the P wave is caused by ________.
The depolarization of atrial muscle fibers
T/F
The great saphenous vein is the longest vein in the body.
True
The type of resistance that is acquired as a result of developing a disease is ______.
Naturally acquired active immunity
T/F
Kidneys are part of the lymphatic system
False
While looking at a sample of blood in a microscope, you see a cell that is markedly larger than a red blood cell. It has a bi-lobed nucleus and is filled with red granules in the cytoplasm. What type of blood cell is this?
An eosinophil
Which of the following characteristics of life and their descriptions is correct?
Circulation- the movement of substances in body fluids
A primary immune response ____, and a secondary immune response _____.
Produces antibodies within five to ten days of exposure to antigens; produces antibodies within a day or two of a subsequent exposure to the same antigen.
Which artery is incorrectly matched to its location?
Thyrocervical arteries; Thymus
The lymph nodes of the auxiliary region receive lymph mainly from the ________.
Upper limb and mammary gland
The basic event in formation of blood clot is the change of ________.
Fibrinogen to fibrin
Drugs used to reduce the tissue rejection following the transplantation of tissue from one person to another
Suppress the immune response in the recipient
Systemic circuit
Sends oxygen-rich blood to the tissues
The _______ secretes triiodothyronine.
Thyroid gland
Exocrine glands differ from endocrine glands in that exocrine glands __________.
Secrete through ducts of tubes to the body’s exterior.
The final step in the formation of a blood clot is ___________.
Conversion of fibrinogen to fibrin by thrombin
A person with type AB blood can successfully receive blood from ________.
All blood types
The antibodies produced in allergic reactions _________.
Belong to the immunoglobulin E group
Hormones that the posterior pituitary secretes are synthesized in the _______.
Hypothalamus
A person who is stressed usually will have increased _______.
Blood pressure
A newborn is protected against certain digestive and respiratory infections by IgA and received via the mother’s _____.
milk
After an infection, many dead and fragmented bacteria cells must be filtered from the body. Which of the following cells will clear out the cell debris?
Macrophages
A night shift worked experiences extreme difficulty falling asleep due to being exposed to bright lights during both the night and day. The unusual pattern of light exposure is disturbing their ______, which controls the release of the hormone _____.
Cardiac rhythm; melatonin