Which of the following are freely permeable thru the plasma (phospholipid) membrane?

A. CO2

B. Glucose

FSH will bind to a receptor in cells of the ovary to produce?

A. sperm

B.Ova

Which of the following is a protective function of blood?

A. hemostasis

B. maintenance of normal pH.

RBC formation is triggered by ___ that causes the release of the hormone __ from the ____.

a. loss of RBC, calcitonin,parathyroid gland

b.hypoxemia, erthropoietin; liver and kidney.

if 60ml of blood leaves the heart thru the aorta, and 60 ml leaves the heart thru the pulmonary artery, the total amount of blood leaving the heart is one heart beat is

a. 60 ml

b. 120 ml

the walls of the __ ventricle are thicker than that of its counterpart as it must produce more force (pressure) to move the blood thru the ___ circuit

a. right; pulmonary

b. left;symstemic

Nitric Oxide is a potent ____ that is carrid on the ___ protein

A. Vasconstictor; myosin

B. Vasodilator; hemoglobin

These cells release histamine and heparin to increase inflammation

A. Basophils

B. Neutrophils

The function of the papillary muscles and the chordae tendinae are to

A.Open the aortic and pulmonary valves.

B. keep the AV valves from opening into the atria during systole

Alderstone:

A. uses a 2nd messenager system when it binds to the target cell receptor

B. is made of modified cholestrol

C. is lipid soluble. 

D. 2 of the above

The SA node, AV nose, AV bundle and purkinje fibers are:

A. the electrical conduction system of the heart.

B. specialized muscle cells that direct depolarization of the myocytes

C. Both

The middle layer of the heart wall is called the:

A. myocardium

B. epicardium

These leukocytes are the first to arrive at a wound site:

A. Monocytes

B. Neutrophils

When you hike on a hot day, u lose 1-2 L of water per hr. if this is not replaced by driking, the fulid is lost from the extracellular fluid. Recall that all extracellular fluids in equilibrium, thus, this will cause:

A. a reduction of plasma membrane

B. an increase in plasma concentration of solutes

C. an increase in the hematocrits

D. 2 of the above

After the spleen destroys and recycles erythrocytes, the ___ and ____ are recycled

A. Fe++ globins

B. Globins; heme group

C. minerals; proteins

D. All

Cardiac muscle tissue is composed of cells

A. w/ slow myosin ATPase

B. that have limited mitochondria

Cortisone:

A. Can directly bind to, and activate genes (DNA)

B. is made of modified cholestrol

C. is an anabolic hormone

D. 2 of the above

Which of these substances is not found in whole blood:

A. glycogen

B. Urea

EPO is secreted from the __ in response to ___

A. speen; sympatheric stimulation

B. liver and kidney; general hypoxemia

To determine the % composition of each othe blood components, a clinician will obtain a small sample of blood for a ____

A. Hematocrit

B. blood gas analysis

Thyrotropic releasing hormone targets the thyrotropes of what gland?

A. Anterior pit.

B. Posterior Pit

Hyperglycemia triggers the ___ to produce ____

A. pancrease; glucagon

B. pancreas; insulin

The second step in hemostasis is:

A. Vasospasm

B. Platelet plug formation 

The chordea tendinae and the papillary muscle are attaches to the:

A. aortic and pulmonary valves

B. right and left AV valves

Which of the following substrates can be used by a cardiac myocyte to produce ATP?

A. glucose

B. lactate

c. lipids

d. all

Corticosteriods are found in the ___ and are triggered by the ___

A. adrenal medulla; somatic nervous system

b. adrenal cortex; sympatheric nervous system

c. none

Erythrocytes:

A. are membrance bound sacs containing hemoglobin and enzymes

B. are non-nucleated in circulation

c. both

Your high intake of dairy products relults in high Blood Ca++ level. this condition triggers ____ to be released by the ___ gland and targets the ____

A. Calcitonin; thryoid; osteoclast

B. PTH; parathyroid; osteoclast

Which of the following blood proteins in the most critcal for coagulation?

A. albumen

B. globulins

C. Fibrinogen

D. All

One cardiac muscle fiber can depolarize a neighboring muscle fiber at the intercalacted disk thru their ____.

A. neuromuscular

B. gap junction

Which of the following are examples of hormone response?

A. a decrease in membrane permeability

B. an increase in protein synthesis

C. an increase in cell division

D. All

What controls the neuro-secretory release of thyrotropic releasing hormone from the hypothalamus?

A. thyroid stimulating hormone

B. thyroid hormones

Which of the following hormones target other endocrine glands?

A. GH

B. FSH

A person w/ blood type O can receive packed cells from which of the following blood type donors?

A. Type A

B. Type B

C. Type AB

D. none

which of the following is a protective function of blood?

A. Hemostasis (stoppage of bleeding)

B. Maintenance of normal pH

When a neutrophils comes into physical contact with an antigen

A. the neutrophil is activated

B. the neutrophil begins to secrete a cytokine

c. the neutrophil will being to reproduce

d. all

The most abundant formed element in whole blood is/are ___

a. the platelets

B. the erythrocytes

All circulating formes elements originated from a stem cell known as the 

A. Osteocyte

B. Hemocytoblast