Unit 3 Test
The sinoatrial (SA) node is indicated by ________.
Label A
The atrioventricular (AV) node is indicated by ________.
Label B
The bundle branches are indicated by ________.
Label D
The gland that produces insulin and glucagon is indicated by ________.
Label H
The pancreas is indicated by ________
Label H
The female glands that are stimulated by follicle-stimulating hormone (FSH) and luteinizing hormone (LH) are indicated by ________.
Label I
The gland that produces testosterone is indicated by ________.
Label J
Growth hormone
anterior pituitary
Luteinizing hormone (LH)
anterior pituitary
Prolactin (PRL)
anterior pituitary
A substance that stimulates the immune system to release antibodies is the ________.
antigen
What is largest artery in the body?
aorta
Which type of granulocyte releases histamine at sites of inflammation?
basophils
Which vein returns blood to the superior vena cava?
brachiocephalic vein
The two hormones released by the thyroid gland are ________.
calcitonin and thyroid hormone
Microcirculation occurs in these vessels
capillaries
Venules drain these tiny beds of vessels
capillaries
The "fight-or-flight" response triggers the release of ________.
epinephrine
Oxytocin
hypothalamus
When blood glucose levels are too high, the beta cells of the pancreas release ________ to decrease levels.
insulin
What organs are served by the renal arteries and veins?
kidneys
The four pulmonary veins return oxygenated blood to this chamber
left atrium
The interatrial septum separates the right atrium from this chamber
left atrium
Heart chamber with the thickest wall
left ventricle
Inferior discharging chamber on the left side of the heart
left ventricle
The bicuspid (mitral) valve is situated between the left atrium and this chamber
left ventricle
Veins ________.
often have valves to prevent the backflow of blood
Parathyroid hormone (PTH)
parathyroid glands
The tricuspid valve is located between the ________.
right atrium and right ventricle
The gland that produces melatonin is indicated by ________.
Label A
The neutrophil is indicated by ________.
Label A
The pineal gland is indicated by ________.
Label A
The monocyte is indicated by ________.
Label B
The atrioventricular bundle (bundle of His) is represented by ________.
Label C
The gland that hangs from a stalk from the hypothalamus is indicated by ________.
Label C
The gland that is primarily responsible for regulating metabolism is indicated by ________.
Label D
The lymphocyte is indicated by ________.
Label D
The Purkinje fibers are indicated by ________.
Label E
The gland that produces thymosin is indicated by ________.
Label F
The thymus is indicated by ________.
Label F
The glands that produce cortisol and epinephrine are indicated by ________.
Label G
What organ receives blood from the hepatic portal vein?
liver
Pulmonary circulation involves blood flow to and from the heart and the ________.
lungs
Which hormone appears to play an important role in establishing the body's sleep-wake cycle?
melatonin
What is the muscular layer of the heart wall?
myocardium
The external carotid artery serves the skin and muscles of the head and ________.
neck
Glucocorticoids
adrenal cortex
Epinephrine
adrenal medulla
Norepinephrine
adrenal medulla
Male sex hormones produced by the adrenal cortex are called ________.
androgens
The aorta is classified as one of these vessels
arteries
These vessels carry blood away from the heart
arteries
These vessels have thicker walls and a heavier tunica media
arteries
The path of blood flow within the systemic vascular system is ________.
arteries, arterioles, capillary beds, venules, veins
Glucagon
pancreas
Insulin
pancreas
Which vein returns blood to the femoral vein?
popliteal vein
If you carry the Rh antigen, you are referred to as Rh ________.
positive
Heart chamber that contains the sinoatrial node
right atrium
The coronary sinus empties blood from cardiac circulation into this chamber
right atrium
The sinoatrial (SA) node is located in the ________.
right atrium
Heart chamber that pumps blood to the pulmonary trunk
right ventricle
Which of the following is often called the pacemaker of the heart?
sinoatrial (SA) node
Which one of the following represents the correct path for the transmission of an impulse in the intrinsic conduction system of the heart?
sinoatrial (SA) node, atrioventricular (AV) node, atrioventricular (AV) bundle (bundle of His), right and left bundle branches, Purkinje fibers
Due to low pressure in these vessels, skeletal muscle activity aids the return of blood by milking it along in these vessels toward the heart
veins
Some of these larger vessels have valves to prevent backflow
veins
Superior and inferior vena cava are classified as these types of vessels
veins
These vessels have thinner walls and transport oxygen-poor blood
veins
These vessels return blood to the heart
veins
Which of the following vessels has the lowest blood pressure?
venae cavae
The eosinophil is indicated by ________.
Label C
Cortisone
adrenal cortex
Adrenocorticotropic hormone (ACTH)
anterior pituitary
Follicle-stimulating hormone (FSH)
anterior pituitary
Thyrotropic hormone (TH) or thyroid-stimulating hormone (TSH)
anterior pituitary
What part of a red blood cell binds and transports oxygen?
hemoglobin
The process by which bleeding is stopped is called ________.
hemostasis
Releasing and inhibiting hormones
hypothalamus
The pineal gland produces ________.
melatonin
Which type of vessel is constructed only from tunica intima?
capillaries
Place these leukocytes in order from the most common to the least common:1) basophil2) eosinophil3) lymphocyte4) monocyte5) neutrophil
5) neutrophil 3) lymphocyte 4) monocyte 2) eosinophil 1) basophil
Normal blood pH falls in a range between ________ to ________.
7.35; 7.45
The blood type that possesses the A antigen only
Blood type A
The blood type that can receive blood types B and AB
Blood type AB
The blood type that does NOT form anti-A or anti-B antibodies
Blood type AB
The blood type that forms both anti-A and anti-B antibodies
Blood type O
The blood type that has no antigens
Blood type O
The most common blood type
Blood type O
Thymosin
thymus gland
Calcitonin
thyroid gland
Thyroxine (T4)
thyroid gland
The body's major metabolic hormone is called:
thyroid hormone
The correct sequence of layers of a typical blood vessel, from superficial to deep, are ________.
tunica externa, tunica media, tunica intima
Which one of the following represents the proper sequence of hemostasis?
vascular spasm, platelet plug formation, coagulation
Which blood type is referred to as the "universal recipient" since it can receive blood types A, B, AB, and O?
AB
Which formed element is the most abundant in blood?
erythrocyte
What two groups of steroid hormones are made by female ovaries?
estrogens and progesterone
Some people purchase melatonin as an over-the-counter medication. For what specific purpose?
sleep aid
Destroys worn-out blood cells and returns some of their break-down products to the liver
spleen
Aldosterone
adrenal cortex
