66 terms

Exam Questions

Bind to receptors in the nucleus of the target cells
Steroid hormones
Steriod hormones are not-
produced by the suprarenal medulla
When a peptide hormone binds to receptors on the surface of cells-
A second messenger appears in the cytoplasm
The pituitary hormone that promotes ovarian secretion of progesterone and testicular secretion of testosterone
Hormone needed for regular growth
insulin, growth hormone, and thyroid hormone
That target of insulin is the-
The target of Aldosterone is
a corticosteroid hormone that is secreted by the cortex of the adrenal gland
steroid hormone produced by adrenal cortex or synthesized
What happens after a steroid hormone binds to its receptor to form an active complex?
Gene transcription is initiated
Pituitary hormone that controls the release of glucocorticoids from the suprarenal cortex is?
One of the major groups of steroid hormones produced by the adrenal cortex. It enables the body to resist long-term stressors, primarily by increasing blood glucose levels.
C cells of the thyroid produce?
The kidneys secrete?
Hormone that helps to regulate the sodium ion content of the body is
Red Blood Cells are formed in the
Bone Marrow
Most of the potein factors that are required for clotting are synthesized by the ?
Serum is?
Plasma without clotting factors
The enzyme that can digest fibrin and dissolve a clot is?
an enzyme that dissolves the fibrin of blood clots
The function of Hg?
Carry carbon dioxide and carry oxygen
chemical compounds to which antibodies bind
If RBCs have Rh proteins (antigens) and no A or B proteins (antigens) this is what blood type?
The conversion of fibrinogen to fibrin is catalyzed by what enzyme?
brought about or inspired; or sped up
Plasma protein that is converted to fibrin in the clotting process
Enzyme that converts fibrinogen to fibrin during coagulation (clotting)
Platelets are pinched off from giant multinucleated cells in the bone marrow called?
multinucleate cells which rupture then release thousands of anucleate "pieces" that quickly seal themseleves off from the surrounding fluids
Vitamin K is needed for what?
The formation of clotting factors
The most abundant type of WBC's
Sickle cell anemia is an example of what can happen if....
A gene for adult hemoglobin is abnormal
What is the plateau phase of cardiac muscle action potential due to?
The calcium channels remain open for longer than sodium channels
An abnormal ECG indicate a problem with the...
Electrical conduction system
The right atrium receives blood from the...
inferior vena cava
Blood flowing into right ventricle first flows through the
Tricuspid valve
Inferior vena cava
Carries blood from lower regions of the body to right atrium
Blood returning to the heat from the pulmonary circuit first enters the
Left Atrium
The pulmonary arteries carry the blood to the
The normal pacemaker of the heart is located in the
Sinoatrial Node
Vagal Stimulation works to...
Decrease the heart rate
The second hear sound is heard when the
Semilunar valves close
The volume of blood ejected from each ventricle during a contraction is called...
Stroke Volume
This won't increase cardiac output
Increased parasympathetic stimulation
These will increase cardiac output
Increased venous return, increased sympathetic stimulation, increased heart rate
Depolarization of the ventricles is represented on an electrocardiogram by the
QRS Complex
The heart is roughly the size of a...
Clenched fist
Analysis of the electrocardiogram does not reveal
Stroke volume
An ECG can reveal
duration of the ventricular action potential, condition of the conduction, hear rate
The structure that permits blood flow from the R atrium to the L atrium in the fetal circulation is the
Foramen ovale
Increases heart rate...
Increased sympathetic stimulation of the SA node, increased levels of epinephrine, decreased vagal stimulation
affect sympathetic nervous system in stress response; Adrenaline
helps control alertness and arousal; undersupply can depress mood
The cardiac muscle recieves oxygen during
Stimulates RBC production
Prolactin (PRL)
Stimulates milk production
Stimulates the adrenal cortex
Adrenal Cortex
cortex of the adrenal gland that produces three mayor groups of steroid hormones called corticosteroids.
Controls circadian rhythms
A rhythm of about 24 hours.
Atrial Natriuetic Hormone
Stimulates sodium excretion
TRH (thryrotropin releasing hormone)
Secreted by the posterior pituitary
Anti-diuretic hormone (ADH)
Secreted by the posterior pituitary
Decreases sodium excretion
Raises blood glucose
Lowers blood glucose